* general protection fault: 0000 [#1] SMP
@ 2010-11-20 16:35 Justin Mattock
2010-11-20 22:28 ` Jesper Juhl
0 siblings, 1 reply; 14+ messages in thread
From: Justin Mattock @ 2010-11-20 16:35 UTC (permalink / raw)
To: Linux Kernel Mailing List
Ive seen this before, but could not reproduce for a bisect.. basically
what I remember doing
was building webkit(let sit and compile) passed out, woke up at 5AM
closed the lid on the machine,few hrs later
woke up, went for a run, came back opened the lid and this:
[43925.668053] general protection fault: 0000 [#1] SMP
[43925.668059] last sysfs file: /sys/devices/platform/applesmc.768/light
[43925.668061] CPU 0
[43925.668063] Modules linked in: firewire_sbp2 radeon sco bnep ttm
drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
iptable_filter ip_tables x_tables ath9k ath9k_common video ath9k_hw
sky2 firewire_ohci battery ac ath evdev joydev button firewire_core
i2c_i801 kvm_intel aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null
sha256_generic cbc des_generic cast5 blowfish serpent camellia
twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc
uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth coretemp
acpi_cpufreq processor mperf appletouch applesmc uvcvideo
[43925.668120]
[43925.668123] Pid: 27262, comm: make Not tainted
2.6.37-rc2-00037-g7957f0a-dirty #6 Mac-F42187C8/MacBookPro2,2
[43925.668126] RIP: 0010:[<ffffffff811bf10a>] [<ffffffff811bf10a>]
inode_has_perm+0x53/0x6a
[43925.668135] RSP: 0018:ffff88003c5a5bc8 EFLAGS: 00010282
[43925.668137] RAX: ffff88003826a208 RBX: ffff88000008ed80 RCX: ffff88003c5a5c68
[43925.668140] RDX: 0000000000000002 RSI: ffff88000008ed80 RDI: ffff88002feacc00
[43925.668142] RBP: ffff88003c5a5c58 R08: ffff88003c5a5c68 R09: 00000000000000d5
[43925.668145] R10: 050366048b660e04 R11: 0000000000000000 R12: 0000000000000024
[43925.668147] R13: 00000000ffffffd8 R14: 0000000000000000 R15: 0000000000000000
[43925.668150] FS: 00007f4f786b3700(0000) GS:ffff88003ee00000(0000)
knlGS:0000000000000000
[43925.668153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[43925.668155] CR2: 00007f4f78637000 CR3: 00000000383ac000 CR4: 00000000000006e0
[43925.668158] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[43925.668161] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[43925.668163] Process make (pid: 27262, threadinfo ffff88003c5a4000,
task ffff880001afb410)
[43925.668165] Stack:
[43925.668167] ffff880038a98060 0000000000000000 ffff88003c5a5c48
ffffffff81182b7c
[43925.668172] ffff88003cab2688 ffff880024da9990 ffff88003caa18d8
ffff880038a98060
[43925.668177] ffff880024da98b0 ffffea0000a54940 ffff88003c5a5c78
ffff88003d402500
[43925.668182] Call Trace:
[43925.668189] [<ffffffff81182b7c>] ? jbd2_journal_stop+0x21e/0x230
[43925.668193] [<ffffffff811be4bb>] ? selinux_cred_free+0xb/0x27
[43925.668196] [<ffffffff811be441>] ? selinux_file_alloc_security+0x4a/0xb9
[43925.668201] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
[43925.668205] [<ffffffff811bf853>] selinux_inode_permission+0xd2/0xd4
[43925.668211] [<ffffffff811bbf9c>] security_inode_permission+0x1c/0x1e
[43925.668215] [<ffffffff81101ab2>] inode_permission+0x87/0x93
[43925.668218] [<ffffffff81102e86>] may_open+0x9e/0x11e
[43925.668221] [<ffffffff8110373e>] do_last+0x542/0x6fa
[43925.668225] [<ffffffff811056ec>] do_filp_open+0x1f3/0x646
[43925.668228] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
[43925.668232] [<ffffffff81103958>] ? getname+0x2c/0x1be
[43925.668236] [<ffffffff8110eca8>] ? alloc_fd+0x111/0x123
[43925.668240] [<ffffffff810f7a84>] do_sys_open+0x5b/0xf8
[43925.668243] [<ffffffff810f7b4a>] sys_open+0x1b/0x1d
[43925.668248] [<ffffffff8102b542>] system_call_fastpath+0x16/0x1b
[43925.668250] Code: 02 00 00 44 8b 48 04 48 85 c9 75 1f 4c 8d 85 70
ff ff ff b9 22 00 00 00 4c 89 c7 44 89 d8 f3 ab c6 85 70 ff ff ff 01
48 89 75 90 <41> 0f b7 42 20 89 d1 41 8b 72 1c 89 c2 44 89 cf e8 99 e7
ff ff
[43925.668288] RIP [<ffffffff811bf10a>] inode_has_perm+0x53/0x6a
[43925.668291] RSP <ffff88003c5a5bc8>
[43925.668295] ---[ end trace 75bdddc506717838 ]---
[43934.866252] general protection fault: 0000 [#2] SMP
[43934.866257] last sysfs file: /sys/devices/platform/applesmc.768/light
[43934.866260] CPU 0
[43934.866261] Modules linked in: firewire_sbp2 radeon sco bnep ttm
drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
iptable_filter ip_tables x_tables ath9k ath9k_common video ath9k_hw
sky2 firewire_ohci battery ac ath evdev joydev button firewire_core
i2c_i801 kvm_intel aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null
sha256_generic cbc des_generic cast5 blowfish serpent camellia
twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc
uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth coretemp
acpi_cpufreq processor mperf appletouch applesmc uvcvideo
[43934.866318]
[43934.866321] Pid: 27283, comm: make Tainted: G D
2.6.37-rc2-00037-g7957f0a-dirty #6 Mac-F42187C8/MacBookPro2,2
[43934.866324] RIP: 0010:[<ffffffff811bf10a>] [<ffffffff811bf10a>]
inode_has_perm+0x53/0x6a
[43934.866334] RSP: 0018:ffff88003c5a5bc8 EFLAGS: 00010282
[43934.866336] RAX: ffff88003807a958 RBX: ffff88000008ed80 RCX: ffff88003c5a5c68
[43934.866339] RDX: 0000000000000002 RSI: ffff88000008ed80 RDI: ffff880034b01700
[43934.866341] RBP: ffff88003c5a5c58 R08: ffff88003c5a5c68 R09: 00000000000000d5
[43934.866343] R10: 050366048b660e04 R11: 0000000000000000 R12: 0000000000000024
[43934.866346] R13: 00000000ffffffd8 R14: 0000000000000000 R15: 0000000000000000
[43934.866349] FS: 00007fdf0a661700(0000) GS:ffff88003ee00000(0000)
knlGS:0000000000000000
[43934.866352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[43934.866354] CR2: 00007fdf0a5e5000 CR3: 0000000029800000 CR4: 00000000000006e0
[43934.866357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[43934.866359] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[43934.866362] Process make (pid: 27283, threadinfo ffff88003c5a4000,
task ffff880001afb410)
[43934.866364] Stack:
[43934.866366] ffff88002f398a50 ffff880024da9990 000000003c5a5c78
ffffffff81810be8
[43934.866371] 0020000000000001 0000000000000001 0000000000001000
ffff880037bc0a00
[43934.866375] 0000000000001000 ffffea0000a54940 ffff88003c5a5d18
ffff88003d402500
[43934.866380] Call Trace:
[43934.866385] [<ffffffff811be4bb>] ? selinux_cred_free+0xb/0x27
[43934.866389] [<ffffffff811be441>] ? selinux_file_alloc_security+0x4a/0xb9
[43934.866395] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
[43934.866398] [<ffffffff811bf853>] selinux_inode_permission+0xd2/0xd4
[43934.866404] [<ffffffff811bbf9c>] security_inode_permission+0x1c/0x1e
[43934.866409] [<ffffffff81101ab2>] inode_permission+0x87/0x93
[43934.866412] [<ffffffff81102e86>] may_open+0x9e/0x11e
[43934.866415] [<ffffffff8110373e>] do_last+0x542/0x6fa
[43934.866419] [<ffffffff811056ec>] do_filp_open+0x1f3/0x646
[43934.866422] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
[43934.866426] [<ffffffff81103958>] ? getname+0x2c/0x1be
[43934.866430] [<ffffffff8110eca8>] ? alloc_fd+0x111/0x123
[43934.866433] [<ffffffff810f7a84>] do_sys_open+0x5b/0xf8
[43934.866437] [<ffffffff810f7b4a>] sys_open+0x1b/0x1d
[43934.866441] [<ffffffff8102b542>] system_call_fastpath+0x16/0x1b
[43934.866443] Code: 02 00 00 44 8b 48 04 48 85 c9 75 1f 4c 8d 85 70
ff ff ff b9 22 00 00 00 4c 89 c7 44 89 d8 f3 ab c6 85 70 ff ff ff 01
48 89 75 90 <41> 0f b7 42 20 89 d1 41 8b 72 1c 89 c2 44 89 cf e8 99 e7
ff ff
[43934.866481] RIP [<ffffffff811bf10a>] inode_has_perm+0x53/0x6a
[43934.866484] RSP <ffff88003c5a5bc8>
[43934.866488] ---[ end trace 75bdddc506717839 ]---
system seems usable after this... just trying to reproduce for a
bisect seems impossible
at this point(If I can I will post)
--
Justin P. Mattock
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: general protection fault: 0000 [#1] SMP
2010-11-20 16:35 general protection fault: 0000 [#1] SMP Justin Mattock
@ 2010-11-20 22:28 ` Jesper Juhl
2010-11-20 22:32 ` Jesper Juhl
0 siblings, 1 reply; 14+ messages in thread
From: Jesper Juhl @ 2010-11-20 22:28 UTC (permalink / raw)
To: Justin Mattock; +Cc: Linux Kernel Mailing List
On Sat, 20 Nov 2010, Justin Mattock wrote:
> Ive seen this before, but could not reproduce for a bisect.. basically
> what I remember doing
> was building webkit(let sit and compile) passed out, woke up at 5AM
> closed the lid on the machine,few hrs later
> woke up, went for a run, came back opened the lid and this:
>
> [43925.668053] general protection fault: 0000 [#1] SMP
> [43925.668059] last sysfs file: /sys/devices/platform/applesmc.768/light
> [43925.668061] CPU 0
> [43925.668063] Modules linked in: firewire_sbp2 radeon sco bnep ttm
> drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
> nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
> iptable_filter ip_tables x_tables ath9k ath9k_common video ath9k_hw
> sky2 firewire_ohci battery ac ath evdev joydev button firewire_core
> i2c_i801 kvm_intel aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null
> sha256_generic cbc des_generic cast5 blowfish serpent camellia
> twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc
> uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth coretemp
> acpi_cpufreq processor mperf appletouch applesmc uvcvideo
> [43925.668120]
> [43925.668123] Pid: 27262, comm: make Not tainted
> 2.6.37-rc2-00037-g7957f0a-dirty #6 Mac-F42187C8/MacBookPro2,2
> [43925.668126] RIP: 0010:[<ffffffff811bf10a>] [<ffffffff811bf10a>]
> inode_has_perm+0x53/0x6a
> [43925.668135] RSP: 0018:ffff88003c5a5bc8 EFLAGS: 00010282
> [43925.668137] RAX: ffff88003826a208 RBX: ffff88000008ed80 RCX: ffff88003c5a5c68
> [43925.668140] RDX: 0000000000000002 RSI: ffff88000008ed80 RDI: ffff88002feacc00
> [43925.668142] RBP: ffff88003c5a5c58 R08: ffff88003c5a5c68 R09: 00000000000000d5
> [43925.668145] R10: 050366048b660e04 R11: 0000000000000000 R12: 0000000000000024
> [43925.668147] R13: 00000000ffffffd8 R14: 0000000000000000 R15: 0000000000000000
> [43925.668150] FS: 00007f4f786b3700(0000) GS:ffff88003ee00000(0000)
> knlGS:0000000000000000
> [43925.668153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [43925.668155] CR2: 00007f4f78637000 CR3: 00000000383ac000 CR4: 00000000000006e0
> [43925.668158] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [43925.668161] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> [43925.668163] Process make (pid: 27262, threadinfo ffff88003c5a4000,
> task ffff880001afb410)
> [43925.668165] Stack:
> [43925.668167] ffff880038a98060 0000000000000000 ffff88003c5a5c48
> ffffffff81182b7c
> [43925.668172] ffff88003cab2688 ffff880024da9990 ffff88003caa18d8
> ffff880038a98060
> [43925.668177] ffff880024da98b0 ffffea0000a54940 ffff88003c5a5c78
> ffff88003d402500
> [43925.668182] Call Trace:
> [43925.668189] [<ffffffff81182b7c>] ? jbd2_journal_stop+0x21e/0x230
> [43925.668193] [<ffffffff811be4bb>] ? selinux_cred_free+0xb/0x27
> [43925.668196] [<ffffffff811be441>] ? selinux_file_alloc_security+0x4a/0xb9
> [43925.668201] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> [43925.668205] [<ffffffff811bf853>] selinux_inode_permission+0xd2/0xd4
> [43925.668211] [<ffffffff811bbf9c>] security_inode_permission+0x1c/0x1e
> [43925.668215] [<ffffffff81101ab2>] inode_permission+0x87/0x93
> [43925.668218] [<ffffffff81102e86>] may_open+0x9e/0x11e
> [43925.668221] [<ffffffff8110373e>] do_last+0x542/0x6fa
> [43925.668225] [<ffffffff811056ec>] do_filp_open+0x1f3/0x646
> [43925.668228] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> [43925.668232] [<ffffffff81103958>] ? getname+0x2c/0x1be
> [43925.668236] [<ffffffff8110eca8>] ? alloc_fd+0x111/0x123
> [43925.668240] [<ffffffff810f7a84>] do_sys_open+0x5b/0xf8
> [43925.668243] [<ffffffff810f7b4a>] sys_open+0x1b/0x1d
> [43925.668248] [<ffffffff8102b542>] system_call_fastpath+0x16/0x1b
> [43925.668250] Code: 02 00 00 44 8b 48 04 48 85 c9 75 1f 4c 8d 85 70
> ff ff ff b9 22 00 00 00 4c 89 c7 44 89 d8 f3 ab c6 85 70 ff ff ff 01
> 48 89 75 90 <41> 0f b7 42 20 89 d1 41 8b 72 1c 89 c2 44 89 cf e8 99 e7
> ff ff
> [43925.668288] RIP [<ffffffff811bf10a>] inode_has_perm+0x53/0x6a
> [43925.668291] RSP <ffff88003c5a5bc8>
> [43925.668295] ---[ end trace 75bdddc506717838 ]---
> [43934.866252] general protection fault: 0000 [#2] SMP
> [43934.866257] last sysfs file: /sys/devices/platform/applesmc.768/light
> [43934.866260] CPU 0
> [43934.866261] Modules linked in: firewire_sbp2 radeon sco bnep ttm
> drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
> nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
> iptable_filter ip_tables x_tables ath9k ath9k_common video ath9k_hw
> sky2 firewire_ohci battery ac ath evdev joydev button firewire_core
> i2c_i801 kvm_intel aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null
> sha256_generic cbc des_generic cast5 blowfish serpent camellia
> twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc
> uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth coretemp
> acpi_cpufreq processor mperf appletouch applesmc uvcvideo
> [43934.866318]
> [43934.866321] Pid: 27283, comm: make Tainted: G D
> 2.6.37-rc2-00037-g7957f0a-dirty #6 Mac-F42187C8/MacBookPro2,2
> [43934.866324] RIP: 0010:[<ffffffff811bf10a>] [<ffffffff811bf10a>]
> inode_has_perm+0x53/0x6a
> [43934.866334] RSP: 0018:ffff88003c5a5bc8 EFLAGS: 00010282
> [43934.866336] RAX: ffff88003807a958 RBX: ffff88000008ed80 RCX: ffff88003c5a5c68
> [43934.866339] RDX: 0000000000000002 RSI: ffff88000008ed80 RDI: ffff880034b01700
> [43934.866341] RBP: ffff88003c5a5c58 R08: ffff88003c5a5c68 R09: 00000000000000d5
> [43934.866343] R10: 050366048b660e04 R11: 0000000000000000 R12: 0000000000000024
> [43934.866346] R13: 00000000ffffffd8 R14: 0000000000000000 R15: 0000000000000000
> [43934.866349] FS: 00007fdf0a661700(0000) GS:ffff88003ee00000(0000)
> knlGS:0000000000000000
> [43934.866352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [43934.866354] CR2: 00007fdf0a5e5000 CR3: 0000000029800000 CR4: 00000000000006e0
> [43934.866357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [43934.866359] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> [43934.866362] Process make (pid: 27283, threadinfo ffff88003c5a4000,
> task ffff880001afb410)
> [43934.866364] Stack:
> [43934.866366] ffff88002f398a50 ffff880024da9990 000000003c5a5c78
> ffffffff81810be8
> [43934.866371] 0020000000000001 0000000000000001 0000000000001000
> ffff880037bc0a00
> [43934.866375] 0000000000001000 ffffea0000a54940 ffff88003c5a5d18
> ffff88003d402500
> [43934.866380] Call Trace:
> [43934.866385] [<ffffffff811be4bb>] ? selinux_cred_free+0xb/0x27
> [43934.866389] [<ffffffff811be441>] ? selinux_file_alloc_security+0x4a/0xb9
> [43934.866395] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> [43934.866398] [<ffffffff811bf853>] selinux_inode_permission+0xd2/0xd4
> [43934.866404] [<ffffffff811bbf9c>] security_inode_permission+0x1c/0x1e
> [43934.866409] [<ffffffff81101ab2>] inode_permission+0x87/0x93
> [43934.866412] [<ffffffff81102e86>] may_open+0x9e/0x11e
> [43934.866415] [<ffffffff8110373e>] do_last+0x542/0x6fa
> [43934.866419] [<ffffffff811056ec>] do_filp_open+0x1f3/0x646
> [43934.866422] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> [43934.866426] [<ffffffff81103958>] ? getname+0x2c/0x1be
> [43934.866430] [<ffffffff8110eca8>] ? alloc_fd+0x111/0x123
> [43934.866433] [<ffffffff810f7a84>] do_sys_open+0x5b/0xf8
> [43934.866437] [<ffffffff810f7b4a>] sys_open+0x1b/0x1d
> [43934.866441] [<ffffffff8102b542>] system_call_fastpath+0x16/0x1b
> [43934.866443] Code: 02 00 00 44 8b 48 04 48 85 c9 75 1f 4c 8d 85 70
> ff ff ff b9 22 00 00 00 4c 89 c7 44 89 d8 f3 ab c6 85 70 ff ff ff 01
> 48 89 75 90 <41> 0f b7 42 20 89 d1 41 8b 72 1c 89 c2 44 89 cf e8 99 e7
> ff ff
> [43934.866481] RIP [<ffffffff811bf10a>] inode_has_perm+0x53/0x6a
> [43934.866484] RSP <ffff88003c5a5bc8>
> [43934.866488] ---[ end trace 75bdddc506717839 ]---
>
[...]
Hmm, ok, I have no idea about the root cause of this problem, but I did
notice one thing about selinux_cred_free() that's different than most
other freeing functions in the kernel. It does not accept a NULL value.
Most other freeing functions will just return if passed NULL, but
selinux_cred_free() will crash.
I wonder if it would make sense to add a NULL 'short circuit' to that
function? If so, please pick up the patch below.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
---
hooks.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 65fa8bf..d088532 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3193,11 +3193,11 @@ static int selinux_cred_alloc_blank(struct cred *cred, gfp_t gfp)
*/
static void selinux_cred_free(struct cred *cred)
{
- struct task_security_struct *tsec = cred->security;
-
+ if (!cred)
+ return;
BUG_ON((unsigned long) cred->security < PAGE_SIZE);
cred->security = (void *) 0x7UL;
- kfree(tsec);
+ kfree(cred->security);
}
/*
--
Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please.
^ permalink raw reply related [flat|nested] 14+ messages in thread* Re: general protection fault: 0000 [#1] SMP
2010-11-20 22:28 ` Jesper Juhl
@ 2010-11-20 22:32 ` Jesper Juhl
2010-11-20 23:21 ` Justin P. Mattock
2010-11-22 19:01 ` Justin P. Mattock
0 siblings, 2 replies; 14+ messages in thread
From: Jesper Juhl @ 2010-11-20 22:32 UTC (permalink / raw)
To: Justin Mattock; +Cc: Linux Kernel Mailing List
On Sat, 20 Nov 2010, Jesper Juhl wrote:
> On Sat, 20 Nov 2010, Justin Mattock wrote:
>
> > Ive seen this before, but could not reproduce for a bisect.. basically
> > what I remember doing
> > was building webkit(let sit and compile) passed out, woke up at 5AM
> > closed the lid on the machine,few hrs later
> > woke up, went for a run, came back opened the lid and this:
> >
> > [43925.668053] general protection fault: 0000 [#1] SMP
> > [43925.668059] last sysfs file: /sys/devices/platform/applesmc.768/light
> > [43925.668061] CPU 0
> > [43925.668063] Modules linked in: firewire_sbp2 radeon sco bnep ttm
> > drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
> > nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
> > iptable_filter ip_tables x_tables ath9k ath9k_common video ath9k_hw
> > sky2 firewire_ohci battery ac ath evdev joydev button firewire_core
> > i2c_i801 kvm_intel aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null
> > sha256_generic cbc des_generic cast5 blowfish serpent camellia
> > twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc
> > uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth coretemp
> > acpi_cpufreq processor mperf appletouch applesmc uvcvideo
> > [43925.668120]
> > [43925.668123] Pid: 27262, comm: make Not tainted
> > 2.6.37-rc2-00037-g7957f0a-dirty #6 Mac-F42187C8/MacBookPro2,2
> > [43925.668126] RIP: 0010:[<ffffffff811bf10a>] [<ffffffff811bf10a>]
> > inode_has_perm+0x53/0x6a
> > [43925.668135] RSP: 0018:ffff88003c5a5bc8 EFLAGS: 00010282
> > [43925.668137] RAX: ffff88003826a208 RBX: ffff88000008ed80 RCX: ffff88003c5a5c68
> > [43925.668140] RDX: 0000000000000002 RSI: ffff88000008ed80 RDI: ffff88002feacc00
> > [43925.668142] RBP: ffff88003c5a5c58 R08: ffff88003c5a5c68 R09: 00000000000000d5
> > [43925.668145] R10: 050366048b660e04 R11: 0000000000000000 R12: 0000000000000024
> > [43925.668147] R13: 00000000ffffffd8 R14: 0000000000000000 R15: 0000000000000000
> > [43925.668150] FS: 00007f4f786b3700(0000) GS:ffff88003ee00000(0000)
> > knlGS:0000000000000000
> > [43925.668153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [43925.668155] CR2: 00007f4f78637000 CR3: 00000000383ac000 CR4: 00000000000006e0
> > [43925.668158] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> > [43925.668161] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> > [43925.668163] Process make (pid: 27262, threadinfo ffff88003c5a4000,
> > task ffff880001afb410)
> > [43925.668165] Stack:
> > [43925.668167] ffff880038a98060 0000000000000000 ffff88003c5a5c48
> > ffffffff81182b7c
> > [43925.668172] ffff88003cab2688 ffff880024da9990 ffff88003caa18d8
> > ffff880038a98060
> > [43925.668177] ffff880024da98b0 ffffea0000a54940 ffff88003c5a5c78
> > ffff88003d402500
> > [43925.668182] Call Trace:
> > [43925.668189] [<ffffffff81182b7c>] ? jbd2_journal_stop+0x21e/0x230
> > [43925.668193] [<ffffffff811be4bb>] ? selinux_cred_free+0xb/0x27
> > [43925.668196] [<ffffffff811be441>] ? selinux_file_alloc_security+0x4a/0xb9
> > [43925.668201] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> > [43925.668205] [<ffffffff811bf853>] selinux_inode_permission+0xd2/0xd4
> > [43925.668211] [<ffffffff811bbf9c>] security_inode_permission+0x1c/0x1e
> > [43925.668215] [<ffffffff81101ab2>] inode_permission+0x87/0x93
> > [43925.668218] [<ffffffff81102e86>] may_open+0x9e/0x11e
> > [43925.668221] [<ffffffff8110373e>] do_last+0x542/0x6fa
> > [43925.668225] [<ffffffff811056ec>] do_filp_open+0x1f3/0x646
> > [43925.668228] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> > [43925.668232] [<ffffffff81103958>] ? getname+0x2c/0x1be
> > [43925.668236] [<ffffffff8110eca8>] ? alloc_fd+0x111/0x123
> > [43925.668240] [<ffffffff810f7a84>] do_sys_open+0x5b/0xf8
> > [43925.668243] [<ffffffff810f7b4a>] sys_open+0x1b/0x1d
> > [43925.668248] [<ffffffff8102b542>] system_call_fastpath+0x16/0x1b
> > [43925.668250] Code: 02 00 00 44 8b 48 04 48 85 c9 75 1f 4c 8d 85 70
> > ff ff ff b9 22 00 00 00 4c 89 c7 44 89 d8 f3 ab c6 85 70 ff ff ff 01
> > 48 89 75 90 <41> 0f b7 42 20 89 d1 41 8b 72 1c 89 c2 44 89 cf e8 99 e7
> > ff ff
> > [43925.668288] RIP [<ffffffff811bf10a>] inode_has_perm+0x53/0x6a
> > [43925.668291] RSP <ffff88003c5a5bc8>
> > [43925.668295] ---[ end trace 75bdddc506717838 ]---
> > [43934.866252] general protection fault: 0000 [#2] SMP
> > [43934.866257] last sysfs file: /sys/devices/platform/applesmc.768/light
> > [43934.866260] CPU 0
> > [43934.866261] Modules linked in: firewire_sbp2 radeon sco bnep ttm
> > drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
> > nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
> > iptable_filter ip_tables x_tables ath9k ath9k_common video ath9k_hw
> > sky2 firewire_ohci battery ac ath evdev joydev button firewire_core
> > i2c_i801 kvm_intel aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null
> > sha256_generic cbc des_generic cast5 blowfish serpent camellia
> > twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc
> > uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth coretemp
> > acpi_cpufreq processor mperf appletouch applesmc uvcvideo
> > [43934.866318]
> > [43934.866321] Pid: 27283, comm: make Tainted: G D
> > 2.6.37-rc2-00037-g7957f0a-dirty #6 Mac-F42187C8/MacBookPro2,2
> > [43934.866324] RIP: 0010:[<ffffffff811bf10a>] [<ffffffff811bf10a>]
> > inode_has_perm+0x53/0x6a
> > [43934.866334] RSP: 0018:ffff88003c5a5bc8 EFLAGS: 00010282
> > [43934.866336] RAX: ffff88003807a958 RBX: ffff88000008ed80 RCX: ffff88003c5a5c68
> > [43934.866339] RDX: 0000000000000002 RSI: ffff88000008ed80 RDI: ffff880034b01700
> > [43934.866341] RBP: ffff88003c5a5c58 R08: ffff88003c5a5c68 R09: 00000000000000d5
> > [43934.866343] R10: 050366048b660e04 R11: 0000000000000000 R12: 0000000000000024
> > [43934.866346] R13: 00000000ffffffd8 R14: 0000000000000000 R15: 0000000000000000
> > [43934.866349] FS: 00007fdf0a661700(0000) GS:ffff88003ee00000(0000)
> > knlGS:0000000000000000
> > [43934.866352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [43934.866354] CR2: 00007fdf0a5e5000 CR3: 0000000029800000 CR4: 00000000000006e0
> > [43934.866357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> > [43934.866359] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> > [43934.866362] Process make (pid: 27283, threadinfo ffff88003c5a4000,
> > task ffff880001afb410)
> > [43934.866364] Stack:
> > [43934.866366] ffff88002f398a50 ffff880024da9990 000000003c5a5c78
> > ffffffff81810be8
> > [43934.866371] 0020000000000001 0000000000000001 0000000000001000
> > ffff880037bc0a00
> > [43934.866375] 0000000000001000 ffffea0000a54940 ffff88003c5a5d18
> > ffff88003d402500
> > [43934.866380] Call Trace:
> > [43934.866385] [<ffffffff811be4bb>] ? selinux_cred_free+0xb/0x27
> > [43934.866389] [<ffffffff811be441>] ? selinux_file_alloc_security+0x4a/0xb9
> > [43934.866395] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> > [43934.866398] [<ffffffff811bf853>] selinux_inode_permission+0xd2/0xd4
> > [43934.866404] [<ffffffff811bbf9c>] security_inode_permission+0x1c/0x1e
> > [43934.866409] [<ffffffff81101ab2>] inode_permission+0x87/0x93
> > [43934.866412] [<ffffffff81102e86>] may_open+0x9e/0x11e
> > [43934.866415] [<ffffffff8110373e>] do_last+0x542/0x6fa
> > [43934.866419] [<ffffffff811056ec>] do_filp_open+0x1f3/0x646
> > [43934.866422] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> > [43934.866426] [<ffffffff81103958>] ? getname+0x2c/0x1be
> > [43934.866430] [<ffffffff8110eca8>] ? alloc_fd+0x111/0x123
> > [43934.866433] [<ffffffff810f7a84>] do_sys_open+0x5b/0xf8
> > [43934.866437] [<ffffffff810f7b4a>] sys_open+0x1b/0x1d
> > [43934.866441] [<ffffffff8102b542>] system_call_fastpath+0x16/0x1b
> > [43934.866443] Code: 02 00 00 44 8b 48 04 48 85 c9 75 1f 4c 8d 85 70
> > ff ff ff b9 22 00 00 00 4c 89 c7 44 89 d8 f3 ab c6 85 70 ff ff ff 01
> > 48 89 75 90 <41> 0f b7 42 20 89 d1 41 8b 72 1c 89 c2 44 89 cf e8 99 e7
> > ff ff
> > [43934.866481] RIP [<ffffffff811bf10a>] inode_has_perm+0x53/0x6a
> > [43934.866484] RSP <ffff88003c5a5bc8>
> > [43934.866488] ---[ end trace 75bdddc506717839 ]---
> >
> [...]
>
> Hmm, ok, I have no idea about the root cause of this problem, but I did
> notice one thing about selinux_cred_free() that's different than most
> other freeing functions in the kernel. It does not accept a NULL value.
> Most other freeing functions will just return if passed NULL, but
> selinux_cred_free() will crash.
> I wonder if it would make sense to add a NULL 'short circuit' to that
> function? If so, please pick up the patch below.
>
>
> Signed-off-by: Jesper Juhl <jj@chaosbits.net>
> ---
> hooks.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
> index 65fa8bf..d088532 100644
> --- a/security/selinux/hooks.c
> +++ b/security/selinux/hooks.c
> @@ -3193,11 +3193,11 @@ static int selinux_cred_alloc_blank(struct cred *cred, gfp_t gfp)
> */
> static void selinux_cred_free(struct cred *cred)
> {
> - struct task_security_struct *tsec = cred->security;
> -
> + if (!cred)
> + return;
> BUG_ON((unsigned long) cred->security < PAGE_SIZE);
> cred->security = (void *) 0x7UL;
> - kfree(tsec);
> + kfree(cred->security);
> }
>
> /*
>
Arrgh, sent the wrong (early version) patch. This is what it should have
been:
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
---
hooks.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 65fa8bf..00f28dc 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3193,9 +3193,12 @@ static int selinux_cred_alloc_blank(struct cred *cred, gfp_t gfp)
*/
static void selinux_cred_free(struct cred *cred)
{
- struct task_security_struct *tsec = cred->security;
+ struct task_security_struct *tsec;
+ if (!cred)
+ return;
BUG_ON((unsigned long) cred->security < PAGE_SIZE);
+ tsec = cred->security;
cred->security = (void *) 0x7UL;
kfree(tsec);
}
--
Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please.
^ permalink raw reply related [flat|nested] 14+ messages in thread* Re: general protection fault: 0000 [#1] SMP
2010-11-20 22:32 ` Jesper Juhl
@ 2010-11-20 23:21 ` Justin P. Mattock
2010-11-22 19:01 ` Justin P. Mattock
1 sibling, 0 replies; 14+ messages in thread
From: Justin P. Mattock @ 2010-11-20 23:21 UTC (permalink / raw)
To: Jesper Juhl; +Cc: Linux Kernel Mailing List
On 11/20/2010 02:32 PM, Jesper Juhl wrote:
> On Sat, 20 Nov 2010, Jesper Juhl wrote:
>
>> On Sat, 20 Nov 2010, Justin Mattock wrote:
>>
>>> Ive seen this before, but could not reproduce for a bisect.. basically
>>> what I remember doing
>>> was building webkit(let sit and compile) passed out, woke up at 5AM
>>> closed the lid on the machine,few hrs later
>>> woke up, went for a run, came back opened the lid and this:
>>>
>>> [43925.668053] general protection fault: 0000 [#1] SMP
>>> [43925.668059] last sysfs file: /sys/devices/platform/applesmc.768/light
>>> [43925.668061] CPU 0
>>> [43925.668063] Modules linked in: firewire_sbp2 radeon sco bnep ttm
>>> drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
>>> nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
>>> iptable_filter ip_tables x_tables ath9k ath9k_common video ath9k_hw
>>> sky2 firewire_ohci battery ac ath evdev joydev button firewire_core
>>> i2c_i801 kvm_intel aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null
>>> sha256_generic cbc des_generic cast5 blowfish serpent camellia
>>> twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc
>>> uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth coretemp
>>> acpi_cpufreq processor mperf appletouch applesmc uvcvideo
>>> [43925.668120]
>>> [43925.668123] Pid: 27262, comm: make Not tainted
>>> 2.6.37-rc2-00037-g7957f0a-dirty #6 Mac-F42187C8/MacBookPro2,2
>>> [43925.668126] RIP: 0010:[<ffffffff811bf10a>] [<ffffffff811bf10a>]
>>> inode_has_perm+0x53/0x6a
>>> [43925.668135] RSP: 0018:ffff88003c5a5bc8 EFLAGS: 00010282
>>> [43925.668137] RAX: ffff88003826a208 RBX: ffff88000008ed80 RCX: ffff88003c5a5c68
>>> [43925.668140] RDX: 0000000000000002 RSI: ffff88000008ed80 RDI: ffff88002feacc00
>>> [43925.668142] RBP: ffff88003c5a5c58 R08: ffff88003c5a5c68 R09: 00000000000000d5
>>> [43925.668145] R10: 050366048b660e04 R11: 0000000000000000 R12: 0000000000000024
>>> [43925.668147] R13: 00000000ffffffd8 R14: 0000000000000000 R15: 0000000000000000
>>> [43925.668150] FS: 00007f4f786b3700(0000) GS:ffff88003ee00000(0000)
>>> knlGS:0000000000000000
>>> [43925.668153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>> [43925.668155] CR2: 00007f4f78637000 CR3: 00000000383ac000 CR4: 00000000000006e0
>>> [43925.668158] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>>> [43925.668161] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>>> [43925.668163] Process make (pid: 27262, threadinfo ffff88003c5a4000,
>>> task ffff880001afb410)
>>> [43925.668165] Stack:
>>> [43925.668167] ffff880038a98060 0000000000000000 ffff88003c5a5c48
>>> ffffffff81182b7c
>>> [43925.668172] ffff88003cab2688 ffff880024da9990 ffff88003caa18d8
>>> ffff880038a98060
>>> [43925.668177] ffff880024da98b0 ffffea0000a54940 ffff88003c5a5c78
>>> ffff88003d402500
>>> [43925.668182] Call Trace:
>>> [43925.668189] [<ffffffff81182b7c>] ? jbd2_journal_stop+0x21e/0x230
>>> [43925.668193] [<ffffffff811be4bb>] ? selinux_cred_free+0xb/0x27
>>> [43925.668196] [<ffffffff811be441>] ? selinux_file_alloc_security+0x4a/0xb9
>>> [43925.668201] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
>>> [43925.668205] [<ffffffff811bf853>] selinux_inode_permission+0xd2/0xd4
>>> [43925.668211] [<ffffffff811bbf9c>] security_inode_permission+0x1c/0x1e
>>> [43925.668215] [<ffffffff81101ab2>] inode_permission+0x87/0x93
>>> [43925.668218] [<ffffffff81102e86>] may_open+0x9e/0x11e
>>> [43925.668221] [<ffffffff8110373e>] do_last+0x542/0x6fa
>>> [43925.668225] [<ffffffff811056ec>] do_filp_open+0x1f3/0x646
>>> [43925.668228] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
>>> [43925.668232] [<ffffffff81103958>] ? getname+0x2c/0x1be
>>> [43925.668236] [<ffffffff8110eca8>] ? alloc_fd+0x111/0x123
>>> [43925.668240] [<ffffffff810f7a84>] do_sys_open+0x5b/0xf8
>>> [43925.668243] [<ffffffff810f7b4a>] sys_open+0x1b/0x1d
>>> [43925.668248] [<ffffffff8102b542>] system_call_fastpath+0x16/0x1b
>>> [43925.668250] Code: 02 00 00 44 8b 48 04 48 85 c9 75 1f 4c 8d 85 70
>>> ff ff ff b9 22 00 00 00 4c 89 c7 44 89 d8 f3 ab c6 85 70 ff ff ff 01
>>> 48 89 75 90<41> 0f b7 42 20 89 d1 41 8b 72 1c 89 c2 44 89 cf e8 99 e7
>>> ff ff
>>> [43925.668288] RIP [<ffffffff811bf10a>] inode_has_perm+0x53/0x6a
>>> [43925.668291] RSP<ffff88003c5a5bc8>
>>> [43925.668295] ---[ end trace 75bdddc506717838 ]---
>>> [43934.866252] general protection fault: 0000 [#2] SMP
>>> [43934.866257] last sysfs file: /sys/devices/platform/applesmc.768/light
>>> [43934.866260] CPU 0
>>> [43934.866261] Modules linked in: firewire_sbp2 radeon sco bnep ttm
>>> drm_kms_helper drm ipt_LOG iptable_nat nf_nat xt_state
>>> nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
>>> iptable_filter ip_tables x_tables ath9k ath9k_common video ath9k_hw
>>> sky2 firewire_ohci battery ac ath evdev joydev button firewire_core
>>> i2c_i801 kvm_intel aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null
>>> sha256_generic cbc des_generic cast5 blowfish serpent camellia
>>> twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc
>>> uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth coretemp
>>> acpi_cpufreq processor mperf appletouch applesmc uvcvideo
>>> [43934.866318]
>>> [43934.866321] Pid: 27283, comm: make Tainted: G D
>>> 2.6.37-rc2-00037-g7957f0a-dirty #6 Mac-F42187C8/MacBookPro2,2
>>> [43934.866324] RIP: 0010:[<ffffffff811bf10a>] [<ffffffff811bf10a>]
>>> inode_has_perm+0x53/0x6a
>>> [43934.866334] RSP: 0018:ffff88003c5a5bc8 EFLAGS: 00010282
>>> [43934.866336] RAX: ffff88003807a958 RBX: ffff88000008ed80 RCX: ffff88003c5a5c68
>>> [43934.866339] RDX: 0000000000000002 RSI: ffff88000008ed80 RDI: ffff880034b01700
>>> [43934.866341] RBP: ffff88003c5a5c58 R08: ffff88003c5a5c68 R09: 00000000000000d5
>>> [43934.866343] R10: 050366048b660e04 R11: 0000000000000000 R12: 0000000000000024
>>> [43934.866346] R13: 00000000ffffffd8 R14: 0000000000000000 R15: 0000000000000000
>>> [43934.866349] FS: 00007fdf0a661700(0000) GS:ffff88003ee00000(0000)
>>> knlGS:0000000000000000
>>> [43934.866352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>> [43934.866354] CR2: 00007fdf0a5e5000 CR3: 0000000029800000 CR4: 00000000000006e0
>>> [43934.866357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>>> [43934.866359] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>>> [43934.866362] Process make (pid: 27283, threadinfo ffff88003c5a4000,
>>> task ffff880001afb410)
>>> [43934.866364] Stack:
>>> [43934.866366] ffff88002f398a50 ffff880024da9990 000000003c5a5c78
>>> ffffffff81810be8
>>> [43934.866371] 0020000000000001 0000000000000001 0000000000001000
>>> ffff880037bc0a00
>>> [43934.866375] 0000000000001000 ffffea0000a54940 ffff88003c5a5d18
>>> ffff88003d402500
>>> [43934.866380] Call Trace:
>>> [43934.866385] [<ffffffff811be4bb>] ? selinux_cred_free+0xb/0x27
>>> [43934.866389] [<ffffffff811be441>] ? selinux_file_alloc_security+0x4a/0xb9
>>> [43934.866395] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
>>> [43934.866398] [<ffffffff811bf853>] selinux_inode_permission+0xd2/0xd4
>>> [43934.866404] [<ffffffff811bbf9c>] security_inode_permission+0x1c/0x1e
>>> [43934.866409] [<ffffffff81101ab2>] inode_permission+0x87/0x93
>>> [43934.866412] [<ffffffff81102e86>] may_open+0x9e/0x11e
>>> [43934.866415] [<ffffffff8110373e>] do_last+0x542/0x6fa
>>> [43934.866419] [<ffffffff811056ec>] do_filp_open+0x1f3/0x646
>>> [43934.866422] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
>>> [43934.866426] [<ffffffff81103958>] ? getname+0x2c/0x1be
>>> [43934.866430] [<ffffffff8110eca8>] ? alloc_fd+0x111/0x123
>>> [43934.866433] [<ffffffff810f7a84>] do_sys_open+0x5b/0xf8
>>> [43934.866437] [<ffffffff810f7b4a>] sys_open+0x1b/0x1d
>>> [43934.866441] [<ffffffff8102b542>] system_call_fastpath+0x16/0x1b
>>> [43934.866443] Code: 02 00 00 44 8b 48 04 48 85 c9 75 1f 4c 8d 85 70
>>> ff ff ff b9 22 00 00 00 4c 89 c7 44 89 d8 f3 ab c6 85 70 ff ff ff 01
>>> 48 89 75 90<41> 0f b7 42 20 89 d1 41 8b 72 1c 89 c2 44 89 cf e8 99 e7
>>> ff ff
>>> [43934.866481] RIP [<ffffffff811bf10a>] inode_has_perm+0x53/0x6a
>>> [43934.866484] RSP<ffff88003c5a5bc8>
>>> [43934.866488] ---[ end trace 75bdddc506717839 ]---
>>>
>> [...]
>>
>> Hmm, ok, I have no idea about the root cause of this problem, but I did
>> notice one thing about selinux_cred_free() that's different than most
>> other freeing functions in the kernel. It does not accept a NULL value.
>> Most other freeing functions will just return if passed NULL, but
>> selinux_cred_free() will crash.
>> I wonder if it would make sense to add a NULL 'short circuit' to that
>> function? If so, please pick up the patch below.
>>
>>
>> Signed-off-by: Jesper Juhl<jj@chaosbits.net>
>> ---
>> hooks.c | 6 +++---
>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
>> index 65fa8bf..d088532 100644
>> --- a/security/selinux/hooks.c
>> +++ b/security/selinux/hooks.c
>> @@ -3193,11 +3193,11 @@ static int selinux_cred_alloc_blank(struct cred *cred, gfp_t gfp)
>> */
>> static void selinux_cred_free(struct cred *cred)
>> {
>> - struct task_security_struct *tsec = cred->security;
>> -
>> + if (!cred)
>> + return;
>> BUG_ON((unsigned long) cred->security< PAGE_SIZE);
>> cred->security = (void *) 0x7UL;
>> - kfree(tsec);
>> + kfree(cred->security);
>> }
>>
>> /*
>>
>
> Arrgh, sent the wrong (early version) patch. This is what it should have
> been:
>
>
> Signed-off-by: Jesper Juhl<jj@chaosbits.net>
> ---
> hooks.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
> index 65fa8bf..00f28dc 100644
> --- a/security/selinux/hooks.c
> +++ b/security/selinux/hooks.c
> @@ -3193,9 +3193,12 @@ static int selinux_cred_alloc_blank(struct cred *cred, gfp_t gfp)
> */
> static void selinux_cred_free(struct cred *cred)
> {
> - struct task_security_struct *tsec = cred->security;
> + struct task_security_struct *tsec;
>
> + if (!cred)
> + return;
> BUG_ON((unsigned long) cred->security< PAGE_SIZE);
> + tsec = cred->security;
> cred->security = (void *) 0x7UL;
> kfree(tsec);
> }
>
>
>
sure.. I'll load this patch in.. I will post if I see anything out of
the ordinary.
Justin P. Mattock
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: general protection fault: 0000 [#1] SMP
2010-11-20 22:32 ` Jesper Juhl
2010-11-20 23:21 ` Justin P. Mattock
@ 2010-11-22 19:01 ` Justin P. Mattock
2010-11-22 20:25 ` Hugh Dickins
1 sibling, 1 reply; 14+ messages in thread
From: Justin P. Mattock @ 2010-11-22 19:01 UTC (permalink / raw)
To: Jesper Juhl; +Cc: Linux Kernel Mailing List
<---- cut -------->
cleaned the thread up.. Anyways after doing some debugging with gdb and
with valgrind for an application that keeps segfaulting I noticed this
in dmesg:
[ 3028.571941] FIREWALL:INPUT IN=wlan0 OUT=
MAC=ff:ff:ff:ff:ff:ff:00:23:12:65:cb:02:08:00 SRC=0.0.0.0
DST=255.255.255.255 LEN=328 TOS=0x00 PREC=0x00 TTL=255 ID=57984
PROTO=UDP SPT=68 DPT=67 LEN=308
[ 3061.177655] BUG: Bad page state in process make pfn:2134c
[ 3061.177661] page:ffffea00007438a0 count:0 mapcount:0 mapping:
(null) index:0x507
[ 3061.177663] page flags: 0x4000000000000008(uptodate)
[ 3061.177669] Pid: 5691, comm: make Not tainted
2.6.37-rc2-00039-g0211924 #7
[ 3061.177671] Call Trace:
[ 3061.177680] [<ffffffff810c5900>] ? dump_page+0xc0/0xc5
[ 3061.177684] [<ffffffff810c5f18>] bad_page+0xd8/0xea
[ 3061.177688] [<ffffffff810c7aeb>] get_page_from_freelist+0x344/0x4a0
[ 3061.177693] [<ffffffff811bf123>] ? inode_has_perm+0x68/0x6a
[ 3061.177697] [<ffffffff810c7d6b>] __alloc_pages_nodemask+0x124/0x645
[ 3061.177701] [<ffffffff810f7cf2>] ? __dentry_open+0x194/0x2a1
[ 3061.177705] [<ffffffff810dc155>] handle_mm_fault+0x2a8/0x82f
[ 3061.177710] [<ffffffff811056ec>] ? do_filp_open+0x1f3/0x646
[ 3061.177714] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
[ 3061.177719] [<ffffffff81447d8e>] do_page_fault+0x3ec/0x411
[ 3061.177722] [<ffffffff810f4b95>] ? free_debug_processing+0x1c5/0x208
[ 3061.177726] [<ffffffff81103958>] ? getname+0x2c/0x1be
[ 3061.177728] [<ffffffff810f4d08>] ? __slab_free+0x130/0x145
[ 3061.177732] [<ffffffff81444e25>] page_fault+0x25/0x30
[ 3061.177734] Disabling lock debugging due to kernel taint
[ 3126.418774] type=1400 audit(1290451825.417:178): avc: denied
from what I remember using valgirnd with the app took a while to load
but am unsure if is the reason for the above message.
Justin P. Mattock
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: general protection fault: 0000 [#1] SMP
2010-11-22 19:01 ` Justin P. Mattock
@ 2010-11-22 20:25 ` Hugh Dickins
2010-11-22 21:44 ` Justin P. Mattock
0 siblings, 1 reply; 14+ messages in thread
From: Hugh Dickins @ 2010-11-22 20:25 UTC (permalink / raw)
To: Justin P. Mattock; +Cc: Jesper Juhl, Linux Kernel Mailing List
On Mon, 22 Nov 2010, Justin P. Mattock wrote:
> <---- cut -------->
>
> cleaned the thread up.. Anyways after doing some debugging with gdb and with
> valgrind for an application that keeps segfaulting I noticed this in dmesg:
>
> [ 3028.571941] FIREWALL:INPUT IN=wlan0 OUT=
> MAC=ff:ff:ff:ff:ff:ff:00:23:12:65:cb:02:08:00 SRC=0.0.0.0
> DST=255.255.255.255 LEN=328 TOS=0x00 PREC=0x00 TTL=255 ID=57984 PROTO=UDP
> SPT=68 DPT=67 LEN=308
> [ 3061.177655] BUG: Bad page state in process make pfn:2134c
> [ 3061.177661] page:ffffea00007438a0 count:0 mapcount:0 mapping: (null)
> index:0x507
> [ 3061.177663] page flags: 0x4000000000000008(uptodate)
> [ 3061.177669] Pid: 5691, comm: make Not tainted 2.6.37-rc2-00039-g0211924
> #7
> [ 3061.177671] Call Trace:
> [ 3061.177680] [<ffffffff810c5900>] ? dump_page+0xc0/0xc5
> [ 3061.177684] [<ffffffff810c5f18>] bad_page+0xd8/0xea
> [ 3061.177688] [<ffffffff810c7aeb>] get_page_from_freelist+0x344/0x4a0
> [ 3061.177693] [<ffffffff811bf123>] ? inode_has_perm+0x68/0x6a
> [ 3061.177697] [<ffffffff810c7d6b>] __alloc_pages_nodemask+0x124/0x645
> [ 3061.177701] [<ffffffff810f7cf2>] ? __dentry_open+0x194/0x2a1
> [ 3061.177705] [<ffffffff810dc155>] handle_mm_fault+0x2a8/0x82f
> [ 3061.177710] [<ffffffff811056ec>] ? do_filp_open+0x1f3/0x646
> [ 3061.177714] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
> [ 3061.177719] [<ffffffff81447d8e>] do_page_fault+0x3ec/0x411
> [ 3061.177722] [<ffffffff810f4b95>] ? free_debug_processing+0x1c5/0x208
> [ 3061.177726] [<ffffffff81103958>] ? getname+0x2c/0x1be
> [ 3061.177728] [<ffffffff810f4d08>] ? __slab_free+0x130/0x145
> [ 3061.177732] [<ffffffff81444e25>] page_fault+0x25/0x30
> [ 3061.177734] Disabling lock debugging due to kernel taint
> [ 3126.418774] type=1400 audit(1290451825.417:178): avc: denied
>
> from what I remember using valgirnd with the app took a while to load but am
> unsure if is the reason for the above message.
This particular error is almost certainly fixed by rc3's patch below.
Whether your earlier errors are a side-effect of the same Uptodate bug
I cannot say: it's conceivable, but I don't see it as likely. Maybe
you should just move up to rc3 and see what happens with that.
Hugh
From: Markus Trippelsdorf <markus@trippelsdorf.de>
Date: Thu, 18 Nov 2010 02:46:06 +0000 (-0500)
Subject: ext4: fix setting random pages PageUptodate
X-Git-Tag: v2.6.37-rc3~1^2~5
X-Git-Url: http://127.0.0.1:1234/?p=.git;a=commitdiff_plain;h=08da1193d2c8c7a25d0cef7f85d0b9f1ad7c583a
ext4: fix setting random pages PageUptodate
ext4_end_bio calls put_page and kmem_cache_free before calling
SetPageUpdate(). This can result in setting the PageUptodate bit on
random pages and causes the following BUG:
BUG: Bad page state in process rm pfn:52e54
page:ffffea0001222260 count:0 mapcount:0 mapping: (null) index:0x0
arch kernel: page flags: 0x4000000000000008(uptodate)
Fix the problem by moving put_io_page() after the SetPageUpdate() call.
Thanks to Hugh Dickins for analyzing this problem.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Tested-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 7f5451c..beacce1 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -237,8 +237,6 @@ static void ext4_end_bio(struct bio *bio, int error)
} while (bh != head);
}
- put_io_page(io_end->pages[i]);
-
/*
* If this is a partial write which happened to make
* all buffers uptodate then we can optimize away a
@@ -248,6 +246,8 @@ static void ext4_end_bio(struct bio *bio, int error)
*/
if (!partial_write)
SetPageUptodate(page);
+
+ put_io_page(io_end->pages[i]);
}
io_end->num_io_pages = 0;
inode = io_end->inode;
^ permalink raw reply related [flat|nested] 14+ messages in thread
* Re: general protection fault: 0000 [#1] SMP
2010-11-22 20:25 ` Hugh Dickins
@ 2010-11-22 21:44 ` Justin P. Mattock
0 siblings, 0 replies; 14+ messages in thread
From: Justin P. Mattock @ 2010-11-22 21:44 UTC (permalink / raw)
To: Hugh Dickins; +Cc: Jesper Juhl, Linux Kernel Mailing List
On 11/22/2010 12:25 PM, Hugh Dickins wrote:
> On Mon, 22 Nov 2010, Justin P. Mattock wrote:
>
>> <---- cut -------->
>>
>> cleaned the thread up.. Anyways after doing some debugging with gdb and with
>> valgrind for an application that keeps segfaulting I noticed this in dmesg:
>>
>> [ 3028.571941] FIREWALL:INPUT IN=wlan0 OUT=
>> MAC=ff:ff:ff:ff:ff:ff:00:23:12:65:cb:02:08:00 SRC=0.0.0.0
>> DST=255.255.255.255 LEN=328 TOS=0x00 PREC=0x00 TTL=255 ID=57984 PROTO=UDP
>> SPT=68 DPT=67 LEN=308
>> [ 3061.177655] BUG: Bad page state in process make pfn:2134c
>> [ 3061.177661] page:ffffea00007438a0 count:0 mapcount:0 mapping: (null)
>> index:0x507
>> [ 3061.177663] page flags: 0x4000000000000008(uptodate)
>> [ 3061.177669] Pid: 5691, comm: make Not tainted 2.6.37-rc2-00039-g0211924
>> #7
>> [ 3061.177671] Call Trace:
>> [ 3061.177680] [<ffffffff810c5900>] ? dump_page+0xc0/0xc5
>> [ 3061.177684] [<ffffffff810c5f18>] bad_page+0xd8/0xea
>> [ 3061.177688] [<ffffffff810c7aeb>] get_page_from_freelist+0x344/0x4a0
>> [ 3061.177693] [<ffffffff811bf123>] ? inode_has_perm+0x68/0x6a
>> [ 3061.177697] [<ffffffff810c7d6b>] __alloc_pages_nodemask+0x124/0x645
>> [ 3061.177701] [<ffffffff810f7cf2>] ? __dentry_open+0x194/0x2a1
>> [ 3061.177705] [<ffffffff810dc155>] handle_mm_fault+0x2a8/0x82f
>> [ 3061.177710] [<ffffffff811056ec>] ? do_filp_open+0x1f3/0x646
>> [ 3061.177714] [<ffffffff810f4226>] ? check_object+0x13b/0x1eb
>> [ 3061.177719] [<ffffffff81447d8e>] do_page_fault+0x3ec/0x411
>> [ 3061.177722] [<ffffffff810f4b95>] ? free_debug_processing+0x1c5/0x208
>> [ 3061.177726] [<ffffffff81103958>] ? getname+0x2c/0x1be
>> [ 3061.177728] [<ffffffff810f4d08>] ? __slab_free+0x130/0x145
>> [ 3061.177732] [<ffffffff81444e25>] page_fault+0x25/0x30
>> [ 3061.177734] Disabling lock debugging due to kernel taint
>> [ 3126.418774] type=1400 audit(1290451825.417:178): avc: denied
>>
>> from what I remember using valgirnd with the app took a while to load but am
>> unsure if is the reason for the above message.
>
> This particular error is almost certainly fixed by rc3's patch below.
> Whether your earlier errors are a side-effect of the same Uptodate bug
> I cannot say: it's conceivable, but I don't see it as likely. Maybe
> you should just move up to rc3 and see what happens with that.
>
> Hugh
>
> From: Markus Trippelsdorf<markus@trippelsdorf.de>
> Date: Thu, 18 Nov 2010 02:46:06 +0000 (-0500)
> Subject: ext4: fix setting random pages PageUptodate
> X-Git-Tag: v2.6.37-rc3~1^2~5
> X-Git-Url: http://127.0.0.1:1234/?p=.git;a=commitdiff_plain;h=08da1193d2c8c7a25d0cef7f85d0b9f1ad7c583a
>
> ext4: fix setting random pages PageUptodate
>
> ext4_end_bio calls put_page and kmem_cache_free before calling
> SetPageUpdate(). This can result in setting the PageUptodate bit on
> random pages and causes the following BUG:
>
> BUG: Bad page state in process rm pfn:52e54
> page:ffffea0001222260 count:0 mapcount:0 mapping: (null) index:0x0
> arch kernel: page flags: 0x4000000000000008(uptodate)
>
> Fix the problem by moving put_io_page() after the SetPageUpdate() call.
>
> Thanks to Hugh Dickins for analyzing this problem.
>
> Reported-by: Markus Trippelsdorf<markus@trippelsdorf.de>
> Tested-by: Markus Trippelsdorf<markus@trippelsdorf.de>
> Signed-off-by: Markus Trippelsdorf<markus@trippelsdorf.de>
> Signed-off-by: "Theodore Ts'o"<tytso@mit.edu>
> ---
>
> diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
> index 7f5451c..beacce1 100644
> --- a/fs/ext4/page-io.c
> +++ b/fs/ext4/page-io.c
> @@ -237,8 +237,6 @@ static void ext4_end_bio(struct bio *bio, int error)
> } while (bh != head);
> }
>
> - put_io_page(io_end->pages[i]);
> -
> /*
> * If this is a partial write which happened to make
> * all buffers uptodate then we can optimize away a
> @@ -248,6 +246,8 @@ static void ext4_end_bio(struct bio *bio, int error)
> */
> if (!partial_write)
> SetPageUptodate(page);
> +
> + put_io_page(io_end->pages[i]);
> }
> io_end->num_io_pages = 0;
> inode = io_end->inode;
>
alright.. will do..
Justin P. Mattock
^ permalink raw reply [flat|nested] 14+ messages in thread
* general protection fault: 0000 [#1] SMP
@ 2017-10-11 14:40 Olivier Bonvalet
2017-10-12 7:12 ` [ceph-users] " Ilya Dryomov
0 siblings, 1 reply; 14+ messages in thread
From: Olivier Bonvalet @ 2017-10-11 14:40 UTC (permalink / raw)
To: Ceph Users, ceph-devel-u79uwXL29TY76Z2rM5mHXA
Hi,
I had a "general protection fault: 0000" with Ceph RBD kernel client.
Not sure how to read the call, is it Ceph related ?
Oct 11 16:15:11 lorunde kernel: [311418.891238] general protection fault: 0000 [#1] SMP
Oct 11 16:15:11 lorunde kernel: [311418.891855] Modules linked in: cpuid binfmt_misc nls_iso8859_1 nls_cp437 vfat fat tcp_diag inet_diag xt_physdev br_netfilter iptable_filter xen_netback loop xen_blkback cbc rbd libceph xen_gntdev xen_evtchn xenfs xen_privcmd ipmi_ssif intel_rapl iosf_mbi sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul ghash_clmulni_intel iTCO_wdt pcbc iTCO_vendor_support mxm_wmi aesni_intel aes_x86_64 crypto_simd glue_helper cryptd mgag200 i2c_algo_bit drm_kms_helper intel_rapl_perf ttm drm syscopyarea sysfillrect efi_pstore sysimgblt fb_sys_fops lpc_ich efivars mfd_core evdev ioatdma shpchp acpi_power_meter ipmi_si wmi button ipmi_devintf ipmi_msghandler bridge efivarfs ip_tables x_tables autofs4 dm_mod dax raid10 raid456 async_raid6_recov async_
memcpy async_pq async_xor xor async_tx raid6_pq
Oct 11 16:15:11 lorunde kernel: [311418.895403] libcrc32c raid1 raid0 multipath linear md_mod hid_generic usbhid i2c_i801 crc32c_intel i2c_core xhci_pci ahci ixgbe xhci_hcd libahci ehci_pci ehci_hcd libata usbcore dca ptp usb_common pps_core mdio
Oct 11 16:15:11 lorunde kernel: [311418.896551] CPU: 1 PID: 4916 Comm: kworker/1:0 Not tainted 4.13-dae-dom0 #2
Oct 11 16:15:11 lorunde kernel: [311418.897134] Hardware name: Intel Corporation S2600CWR/S2600CWR, BIOS SE5C610.86B.01.01.0019.101220160604 10/12/2016
Oct 11 16:15:11 lorunde kernel: [311418.897745] Workqueue: ceph-msgr ceph_con_workfn [libceph]
Oct 11 16:15:11 lorunde kernel: [311418.898355] task: ffff8801ce434280 task.stack: ffffc900151bc000
Oct 11 16:15:11 lorunde kernel: [311418.899007] RIP: e030:memcpy_erms+0x6/0x10
Oct 11 16:15:11 lorunde kernel: [311418.899616] RSP: e02b:ffffc900151bfac0 EFLAGS: 00010202
Oct 11 16:15:11 lorunde kernel: [311418.900228] RAX: ffff8801b63df000 RBX: ffff88021b41be00 RCX: 0000000004df0000
Oct 11 16:15:11 lorunde kernel: [311418.900848] RDX: 0000000004df0000 RSI: 4450736e24806564 RDI: ffff8801b63df000
Oct 11 16:15:11 lorunde kernel: [311418.901479] RBP: ffffea0005fdd8c8 R08: ffff88028545d618 R09: 0000000000000010
Oct 11 16:15:11 lorunde kernel: [311418.902104] R10: 0000000000000000 R11: ffff880215815000 R12: 0000000000000000
Oct 11 16:15:11 lorunde kernel: [311418.902723] R13: ffff8802158156c0 R14: 0000000000000000 R15: ffff8801ce434280
Oct 11 16:15:11 lorunde kernel: [311418.903359] FS: 0000000000000000(0000) GS:ffff880285440000(0000) knlGS:ffff880285440000
Oct 11 16:15:11 lorunde kernel: [311418.903994] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 11 16:15:11 lorunde kernel: [311418.904627] CR2: 000055a8461cfc20 CR3: 0000000001809000 CR4: 0000000000042660
Oct 11 16:15:11 lorunde kernel: [311418.905271] Call Trace:
Oct 11 16:15:11 lorunde kernel: [311418.905909] ? skb_copy_ubufs+0xef/0x290
Oct 11 16:15:11 lorunde kernel: [311418.906548] ? skb_clone+0x82/0x90
Oct 11 16:15:11 lorunde kernel: [311418.907225] ? tcp_transmit_skb+0x74/0x930
Oct 11 16:15:11 lorunde kernel: [311418.907858] ? tcp_write_xmit+0x1bd/0xfb0
Oct 11 16:15:11 lorunde kernel: [311418.908490] ? __sk_mem_raise_allocated+0x4e/0x220
Oct 11 16:15:11 lorunde kernel: [311418.909122] ? __tcp_push_pending_frames+0x28/0x90
Oct 11 16:15:11 lorunde kernel: [311418.909755] ? do_tcp_sendpages+0x4fc/0x590
Oct 11 16:15:11 lorunde kernel: [311418.910386] ? tcp_sendpage+0x7c/0xa0
Oct 11 16:15:11 lorunde kernel: [311418.911026] ? inet_sendpage+0x37/0xe0
Oct 11 16:15:11 lorunde kernel: [311418.911655] ? kernel_sendpage+0x12/0x20
Oct 11 16:15:11 lorunde kernel: [311418.912297] ? ceph_tcp_sendpage+0x5c/0xc0 [libceph]
Oct 11 16:15:11 lorunde kernel: [311418.912926] ? ceph_tcp_recvmsg+0x53/0x70 [libceph]
Oct 11 16:15:11 lorunde kernel: [311418.913553] ? ceph_con_workfn+0xd08/0x22a0 [libceph]
Oct 11 16:15:11 lorunde kernel: [311418.914179] ? ceph_osdc_start_request+0x23/0x30 [libceph]
Oct 11 16:15:11 lorunde kernel: [311418.914807] ? rbd_img_obj_request_submit+0x1ac/0x3c0 [rbd]
Oct 11 16:15:11 lorunde kernel: [311418.915458] ? process_one_work+0x1ad/0x340
Oct 11 16:15:11 lorunde kernel: [311418.916083] ? worker_thread+0x45/0x3f0
Oct 11 16:15:11 lorunde kernel: [311418.916706] ? kthread+0xf2/0x130
Oct 11 16:15:11 lorunde kernel: [311418.917327] ? process_one_work+0x340/0x340
Oct 11 16:15:11 lorunde kernel: [311418.917946] ? kthread_create_on_node+0x40/0x40
Oct 11 16:15:11 lorunde kernel: [311418.918565] ? do_group_exit+0x35/0xa0
Oct 11 16:15:11 lorunde kernel: [311418.919215] ? ret_from_fork+0x25/0x30
Oct 11 16:15:11 lorunde kernel: [311418.919826] Code: 43 4e 5b eb ec eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 <f3> a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38
Oct 11 16:15:11 lorunde kernel: [311418.921094] RIP: memcpy_erms+0x6/0x10 RSP: ffffc900151bfac0
Oct 11 16:15:11 lorunde kernel: [311418.921970] ---[ end trace 904278a63cb49fca ]---
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [ceph-users] general protection fault: 0000 [#1] SMP
2017-10-11 14:40 Olivier Bonvalet
@ 2017-10-12 7:12 ` Ilya Dryomov
2017-10-12 10:23 ` Jeff Layton
0 siblings, 1 reply; 14+ messages in thread
From: Ilya Dryomov @ 2017-10-12 7:12 UTC (permalink / raw)
To: Olivier Bonvalet; +Cc: Ceph Users, Ceph Development
On Wed, Oct 11, 2017 at 4:40 PM, Olivier Bonvalet <ceph.list@daevel.fr> wrote:
> Hi,
>
> I had a "general protection fault: 0000" with Ceph RBD kernel client.
> Not sure how to read the call, is it Ceph related ?
>
>
> Oct 11 16:15:11 lorunde kernel: [311418.891238] general protection fault: 0000 [#1] SMP
> Oct 11 16:15:11 lorunde kernel: [311418.891855] Modules linked in: cpuid binfmt_misc nls_iso8859_1 nls_cp437 vfat fat tcp_diag inet_diag xt_physdev br_netfilter iptable_filter xen_netback loop xen_blkback cbc rbd libceph xen_gntdev xen_evtchn xenfs xen_privcmd ipmi_ssif intel_rapl iosf_mbi sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul ghash_clmulni_intel iTCO_wdt pcbc iTCO_vendor_support mxm_wmi aesni_intel aes_x86_64 crypto_simd glue_helper cryptd mgag200 i2c_algo_bit drm_kms_helper intel_rapl_perf ttm drm syscopyarea sysfillrect efi_pstore sysimgblt fb_sys_fops lpc_ich efivars mfd_core evdev ioatdma shpchp acpi_power_meter ipmi_si wmi button ipmi_devintf ipmi_msghandler bridge efivarfs ip_tables x_tables autofs4 dm_mod dax raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor xor async_tx raid6_pq
> Oct 11 16:15:11 lorunde kernel: [311418.895403] libcrc32c raid1 raid0 multipath linear md_mod hid_generic usbhid i2c_i801 crc32c_intel i2c_core xhci_pci ahci ixgbe xhci_hcd libahci ehci_pci ehci_hcd libata usbcore dca ptp usb_common pps_core mdio
> Oct 11 16:15:11 lorunde kernel: [311418.896551] CPU: 1 PID: 4916 Comm: kworker/1:0 Not tainted 4.13-dae-dom0 #2
> Oct 11 16:15:11 lorunde kernel: [311418.897134] Hardware name: Intel Corporation S2600CWR/S2600CWR, BIOS SE5C610.86B.01.01.0019.101220160604 10/12/2016
> Oct 11 16:15:11 lorunde kernel: [311418.897745] Workqueue: ceph-msgr ceph_con_workfn [libceph]
> Oct 11 16:15:11 lorunde kernel: [311418.898355] task: ffff8801ce434280 task.stack: ffffc900151bc000
> Oct 11 16:15:11 lorunde kernel: [311418.899007] RIP: e030:memcpy_erms+0x6/0x10
> Oct 11 16:15:11 lorunde kernel: [311418.899616] RSP: e02b:ffffc900151bfac0 EFLAGS: 00010202
> Oct 11 16:15:11 lorunde kernel: [311418.900228] RAX: ffff8801b63df000 RBX: ffff88021b41be00 RCX: 0000000004df0000
> Oct 11 16:15:11 lorunde kernel: [311418.900848] RDX: 0000000004df0000 RSI: 4450736e24806564 RDI: ffff8801b63df000
> Oct 11 16:15:11 lorunde kernel: [311418.901479] RBP: ffffea0005fdd8c8 R08: ffff88028545d618 R09: 0000000000000010
> Oct 11 16:15:11 lorunde kernel: [311418.902104] R10: 0000000000000000 R11: ffff880215815000 R12: 0000000000000000
> Oct 11 16:15:11 lorunde kernel: [311418.902723] R13: ffff8802158156c0 R14: 0000000000000000 R15: ffff8801ce434280
> Oct 11 16:15:11 lorunde kernel: [311418.903359] FS: 0000000000000000(0000) GS:ffff880285440000(0000) knlGS:ffff880285440000
> Oct 11 16:15:11 lorunde kernel: [311418.903994] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
> Oct 11 16:15:11 lorunde kernel: [311418.904627] CR2: 000055a8461cfc20 CR3: 0000000001809000 CR4: 0000000000042660
> Oct 11 16:15:11 lorunde kernel: [311418.905271] Call Trace:
> Oct 11 16:15:11 lorunde kernel: [311418.905909] ? skb_copy_ubufs+0xef/0x290
> Oct 11 16:15:11 lorunde kernel: [311418.906548] ? skb_clone+0x82/0x90
> Oct 11 16:15:11 lorunde kernel: [311418.907225] ? tcp_transmit_skb+0x74/0x930
> Oct 11 16:15:11 lorunde kernel: [311418.907858] ? tcp_write_xmit+0x1bd/0xfb0
> Oct 11 16:15:11 lorunde kernel: [311418.908490] ? __sk_mem_raise_allocated+0x4e/0x220
> Oct 11 16:15:11 lorunde kernel: [311418.909122] ? __tcp_push_pending_frames+0x28/0x90
> Oct 11 16:15:11 lorunde kernel: [311418.909755] ? do_tcp_sendpages+0x4fc/0x590
> Oct 11 16:15:11 lorunde kernel: [311418.910386] ? tcp_sendpage+0x7c/0xa0
> Oct 11 16:15:11 lorunde kernel: [311418.911026] ? inet_sendpage+0x37/0xe0
> Oct 11 16:15:11 lorunde kernel: [311418.911655] ? kernel_sendpage+0x12/0x20
> Oct 11 16:15:11 lorunde kernel: [311418.912297] ? ceph_tcp_sendpage+0x5c/0xc0 [libceph]
> Oct 11 16:15:11 lorunde kernel: [311418.912926] ? ceph_tcp_recvmsg+0x53/0x70 [libceph]
> Oct 11 16:15:11 lorunde kernel: [311418.913553] ? ceph_con_workfn+0xd08/0x22a0 [libceph]
> Oct 11 16:15:11 lorunde kernel: [311418.914179] ? ceph_osdc_start_request+0x23/0x30 [libceph]
> Oct 11 16:15:11 lorunde kernel: [311418.914807] ? rbd_img_obj_request_submit+0x1ac/0x3c0 [rbd]
> Oct 11 16:15:11 lorunde kernel: [311418.915458] ? process_one_work+0x1ad/0x340
> Oct 11 16:15:11 lorunde kernel: [311418.916083] ? worker_thread+0x45/0x3f0
> Oct 11 16:15:11 lorunde kernel: [311418.916706] ? kthread+0xf2/0x130
> Oct 11 16:15:11 lorunde kernel: [311418.917327] ? process_one_work+0x340/0x340
> Oct 11 16:15:11 lorunde kernel: [311418.917946] ? kthread_create_on_node+0x40/0x40
> Oct 11 16:15:11 lorunde kernel: [311418.918565] ? do_group_exit+0x35/0xa0
> Oct 11 16:15:11 lorunde kernel: [311418.919215] ? ret_from_fork+0x25/0x30
> Oct 11 16:15:11 lorunde kernel: [311418.919826] Code: 43 4e 5b eb ec eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 <f3> a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38
> Oct 11 16:15:11 lorunde kernel: [311418.921094] RIP: memcpy_erms+0x6/0x10 RSP: ffffc900151bfac0
> Oct 11 16:15:11 lorunde kernel: [311418.921970] ---[ end trace 904278a63cb49fca ]---
It's a crash in memcpy() in skb_copy_ubufs(). It's not in ceph, but
ceph-induced, it looks like. I don't remember seeing anything similar
in the context of krbd.
This is a Xen dom0 kernel, right? What did the workload look like?
Can you provide dmesg before the crash?
Thanks,
Ilya
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: [ceph-users] general protection fault: 0000 [#1] SMP
2017-10-12 7:12 ` [ceph-users] " Ilya Dryomov
@ 2017-10-12 10:23 ` Jeff Layton
[not found] ` <1507803838.5310.9.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
0 siblings, 1 reply; 14+ messages in thread
From: Jeff Layton @ 2017-10-12 10:23 UTC (permalink / raw)
To: Ilya Dryomov, Olivier Bonvalet; +Cc: Ceph Users, Ceph Development
On Thu, 2017-10-12 at 09:12 +0200, Ilya Dryomov wrote:
> On Wed, Oct 11, 2017 at 4:40 PM, Olivier Bonvalet <ceph.list@daevel.fr> wrote:
> > Hi,
> >
> > I had a "general protection fault: 0000" with Ceph RBD kernel client.
> > Not sure how to read the call, is it Ceph related ?
> >
> >
> > Oct 11 16:15:11 lorunde kernel: [311418.891238] general protection fault: 0000 [#1] SMP
> > Oct 11 16:15:11 lorunde kernel: [311418.891855] Modules linked in: cpuid binfmt_misc nls_iso8859_1 nls_cp437 vfat fat tcp_diag inet_diag xt_physdev br_netfilter iptable_filter xen_netback loop xen_blkback cbc rbd libceph xen_gntdev xen_evtchn xenfs xen_privcmd ipmi_ssif intel_rapl iosf_mbi sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul ghash_clmulni_intel iTCO_wdt pcbc iTCO_vendor_support mxm_wmi aesni_intel aes_x86_64 crypto_simd glue_helper cryptd mgag200 i2c_algo_bit drm_kms_helper intel_rapl_perf ttm drm syscopyarea sysfillrect efi_pstore sysimgblt fb_sys_fops lpc_ich efivars mfd_core evdev ioatdma shpchp acpi_power_meter ipmi_si wmi button ipmi_devintf ipmi_msghandler bridge efivarfs ip_tables x_tables autofs4 dm_mod dax raid10 raid456 async_raid6_recov as
ync_memcpy async_pq async_xor xor async_tx raid6_pq
> > Oct 11 16:15:11 lorunde kernel: [311418.895403] libcrc32c raid1 raid0 multipath linear md_mod hid_generic usbhid i2c_i801 crc32c_intel i2c_core xhci_pci ahci ixgbe xhci_hcd libahci ehci_pci ehci_hcd libata usbcore dca ptp usb_common pps_core mdio
> > Oct 11 16:15:11 lorunde kernel: [311418.896551] CPU: 1 PID: 4916 Comm: kworker/1:0 Not tainted 4.13-dae-dom0 #2
> > Oct 11 16:15:11 lorunde kernel: [311418.897134] Hardware name: Intel Corporation S2600CWR/S2600CWR, BIOS SE5C610.86B.01.01.0019.101220160604 10/12/2016
> > Oct 11 16:15:11 lorunde kernel: [311418.897745] Workqueue: ceph-msgr ceph_con_workfn [libceph]
> > Oct 11 16:15:11 lorunde kernel: [311418.898355] task: ffff8801ce434280 task.stack: ffffc900151bc000
> > Oct 11 16:15:11 lorunde kernel: [311418.899007] RIP: e030:memcpy_erms+0x6/0x10
> > Oct 11 16:15:11 lorunde kernel: [311418.899616] RSP: e02b:ffffc900151bfac0 EFLAGS: 00010202
> > Oct 11 16:15:11 lorunde kernel: [311418.900228] RAX: ffff8801b63df000 RBX: ffff88021b41be00 RCX: 0000000004df0000
> > Oct 11 16:15:11 lorunde kernel: [311418.900848] RDX: 0000000004df0000 RSI: 4450736e24806564 RDI: ffff8801b63df000
> > Oct 11 16:15:11 lorunde kernel: [311418.901479] RBP: ffffea0005fdd8c8 R08: ffff88028545d618 R09: 0000000000000010
> > Oct 11 16:15:11 lorunde kernel: [311418.902104] R10: 0000000000000000 R11: ffff880215815000 R12: 0000000000000000
> > Oct 11 16:15:11 lorunde kernel: [311418.902723] R13: ffff8802158156c0 R14: 0000000000000000 R15: ffff8801ce434280
> > Oct 11 16:15:11 lorunde kernel: [311418.903359] FS: 0000000000000000(0000) GS:ffff880285440000(0000) knlGS:ffff880285440000
> > Oct 11 16:15:11 lorunde kernel: [311418.903994] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
> > Oct 11 16:15:11 lorunde kernel: [311418.904627] CR2: 000055a8461cfc20 CR3: 0000000001809000 CR4: 0000000000042660
> > Oct 11 16:15:11 lorunde kernel: [311418.905271] Call Trace:
> > Oct 11 16:15:11 lorunde kernel: [311418.905909] ? skb_copy_ubufs+0xef/0x290
> > Oct 11 16:15:11 lorunde kernel: [311418.906548] ? skb_clone+0x82/0x90
> > Oct 11 16:15:11 lorunde kernel: [311418.907225] ? tcp_transmit_skb+0x74/0x930
> > Oct 11 16:15:11 lorunde kernel: [311418.907858] ? tcp_write_xmit+0x1bd/0xfb0
> > Oct 11 16:15:11 lorunde kernel: [311418.908490] ? __sk_mem_raise_allocated+0x4e/0x220
> > Oct 11 16:15:11 lorunde kernel: [311418.909122] ? __tcp_push_pending_frames+0x28/0x90
> > Oct 11 16:15:11 lorunde kernel: [311418.909755] ? do_tcp_sendpages+0x4fc/0x590
> > Oct 11 16:15:11 lorunde kernel: [311418.910386] ? tcp_sendpage+0x7c/0xa0
> > Oct 11 16:15:11 lorunde kernel: [311418.911026] ? inet_sendpage+0x37/0xe0
> > Oct 11 16:15:11 lorunde kernel: [311418.911655] ? kernel_sendpage+0x12/0x20
> > Oct 11 16:15:11 lorunde kernel: [311418.912297] ? ceph_tcp_sendpage+0x5c/0xc0 [libceph]
> > Oct 11 16:15:11 lorunde kernel: [311418.912926] ? ceph_tcp_recvmsg+0x53/0x70 [libceph]
> > Oct 11 16:15:11 lorunde kernel: [311418.913553] ? ceph_con_workfn+0xd08/0x22a0 [libceph]
> > Oct 11 16:15:11 lorunde kernel: [311418.914179] ? ceph_osdc_start_request+0x23/0x30 [libceph]
> > Oct 11 16:15:11 lorunde kernel: [311418.914807] ? rbd_img_obj_request_submit+0x1ac/0x3c0 [rbd]
> > Oct 11 16:15:11 lorunde kernel: [311418.915458] ? process_one_work+0x1ad/0x340
> > Oct 11 16:15:11 lorunde kernel: [311418.916083] ? worker_thread+0x45/0x3f0
> > Oct 11 16:15:11 lorunde kernel: [311418.916706] ? kthread+0xf2/0x130
> > Oct 11 16:15:11 lorunde kernel: [311418.917327] ? process_one_work+0x340/0x340
> > Oct 11 16:15:11 lorunde kernel: [311418.917946] ? kthread_create_on_node+0x40/0x40
> > Oct 11 16:15:11 lorunde kernel: [311418.918565] ? do_group_exit+0x35/0xa0
> > Oct 11 16:15:11 lorunde kernel: [311418.919215] ? ret_from_fork+0x25/0x30
> > Oct 11 16:15:11 lorunde kernel: [311418.919826] Code: 43 4e 5b eb ec eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 <f3> a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38
> > Oct 11 16:15:11 lorunde kernel: [311418.921094] RIP: memcpy_erms+0x6/0x10 RSP: ffffc900151bfac0
> > Oct 11 16:15:11 lorunde kernel: [311418.921970] ---[ end trace 904278a63cb49fca ]---
>
> It's a crash in memcpy() in skb_copy_ubufs(). It's not in ceph, but
> ceph-induced, it looks like. I don't remember seeing anything similar
> in the context of krbd.
>
> This is a Xen dom0 kernel, right? What did the workload look like?
> Can you provide dmesg before the crash?
>
...and to be clear:
(gdb) list *(memcpy_erms+0x6)
0xffffffff8188f136 is at arch/x86/lib/memcpy_64.S:54.
49 * simpler than memcpy. Use memcpy_erms when possible.
50 */
51 ENTRY(memcpy_erms)
52 movq %rdi, %rax
53 movq %rdx, %rcx
54 rep movsb
55 ret
56 ENDPROC(memcpy_erms)
57
58 ENTRY(memcpy_orig)
So either %rsi or %rdi held a bogus address at the time of the crash,
most likely. If you have a vmcore, you may be able to dig in with crash
and tell which address it was, and trace back up the call stack to where
it came from.
That said... %rcx looks quite large -- 81723392 bytes still to go in the
copy. This might be a case where the copy length got screwed up somehow
and it overran its bounds.
--
Jeff Layton <jlayton@redhat.com>
^ permalink raw reply [flat|nested] 14+ messages in thread
[parent not found: <550186fd-f426-08a6-8b32-e2818717b06a@molgen.mpg.de>]
* Re: general protection fault: 0000 [#1] SMP
[not found] <550186fd-f426-08a6-8b32-e2818717b06a@molgen.mpg.de>
@ 2017-05-04 10:49 ` Jeff Layton
0 siblings, 0 replies; 14+ messages in thread
From: Jeff Layton @ 2017-05-04 10:49 UTC (permalink / raw)
To: Paul Menzel, linux-nfs; +Cc: it+linux-nfs, J. Bruce Fields
On Thu, 2017-05-04 at 11:36 +0200, Paul Menzel wrote:
> Dear Linux folks,
>
>
> Rebooting a system running Linux 4.8.4 to Linux 4.9.25, the general
> protection fault below showed up requiring another reboot of the system.
> After that, the problem couldn’t be reproduced.
>
> ```
> > [ 4110.000731] general protection fault: 0000 [#1] SMP
> > [ 4110.000748] Modules linked in: af_packet nfsv4 nfs xt_nat iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables 8021q garp mrp stp llc nfsd ixgbe 3w_9xxx auth_rpcgss oid_registry nfs_acl lockd grace sunrpc ipv6 autofs4 unix
> > [ 4110.000942] CPU: 4 PID: 3677 Comm: grep Not tainted 4.9.25.mx64.152 #1
> > [ 4110.000959] Hardware name: Dell Inc. PowerEdge R720/0X6H47, BIOS 2.0.19 08/29/2013
> > [ 4110.000981] task: ffff88080687b1c0 task.stack: ffffc9000ecfc000
> > [ 4110.000999] RIP: 0010:[<ffffffffa0229db1>] [<ffffffffa0229db1>] nfs4_put_open_state+0x51/0xe0 [nfsv4]
> > [ 4110.001034] RSP: 0018:ffffc9000ecffaf0 EFLAGS: 00010246
> > [ 4110.001051] RAX: dead000000000200 RBX: ffff8807ee04e780 RCX: 0000000000000001
> > [ 4110.001071] RDX: dead000000000100 RSI: ffff88080b68c240 RDI: ffff8807ea17b638
> > [ 4110.001093] RBP: ffffc9000ecffb08 R08: 0000000000008000 R09: ffff8807ee04e780
> > [ 4110.001114] R10: 0000000000000000 R11: ffff8807eaf55240 R12: ffff88080b68c200
> > [ 4110.001135] R13: ffff8807ea17b5b8 R14: ffff88080b68c200 R15: ffff8807e9047380
> > [ 4110.001157] FS: 00007f7846809700(0000) GS:ffff88080f880000(0000) knlGS:0000000000000000
> > [ 4110.001181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [ 4110.001198] CR2: 0000000000661000 CR3: 00000007e9df8000 CR4: 00000000000406e0
> > [ 4110.001462] Stack:
> > [ 4110.001711] ffff880808b7f400 ffff8807e90ab000 ffff8807e90a0800 ffffc9000ecffb28
> > [ 4110.002229] ffffffffa0216b99 ffff880808b7f400 ffff88080b68c200 ffffc9000ecffbe8
> > [ 4110.002747] ffffffffa021d030 ffffc900024000c0 0000000000000000 ffff8807e90473f8
> > [ 4110.003261] Call Trace:
> > [ 4110.003613] [<ffffffffa0216b99>] nfs4_opendata_put+0x59/0xb0 [nfsv4]
> > [ 4110.003873] [<ffffffffa021d030>] nfs4_do_open.constprop.54+0x420/0x7a0 [nfsv4]
> > [ 4110.004372] [<ffffffffa021d44e>] nfs4_atomic_open+0xe/0x20 [nfsv4]
> > [ 4110.004634] [<ffffffffa022c4d0>] nfs4_file_open+0xf0/0x220 [nfsv4]
> > [ 4110.004896] [<ffffffffa01e8967>] ? nfs_permission+0xe7/0x1b0 [nfs]
> > [ 4110.005158] [<ffffffff81086094>] ? try_to_wake_up+0x184/0x390
> > [ 4110.005419] [<ffffffffa022c3e0>] ? nfs4_try_mount+0x60/0x60 [nfsv4]
> > [ 4110.005679] [<ffffffff8119534f>] do_dentry_open.isra.1+0x15f/0x2f0
> > [ 4110.005938] [<ffffffff811962ee>] vfs_open+0x4e/0x70
> > [ 4110.006195] [<ffffffff811a6687>] path_openat+0x557/0x12b0
> > [ 4110.006453] [<ffffffff811a8591>] do_filp_open+0x81/0xe0
> > [ 4110.006712] [<ffffffff8149b306>] ? tty_ldisc_deref+0x16/0x20
> > [ 4110.006971] [<ffffffff811a75c1>] ? getname_flags+0x61/0x210
> > [ 4110.007229] [<ffffffff811b580f>] ? __alloc_fd+0x3f/0x170
> > [ 4110.007487] [<ffffffff811966e9>] do_sys_open+0x139/0x200
> > [ 4110.007744] [<ffffffff811967e4>] SyS_openat+0x14/0x20
> > [ 4110.008003] [<ffffffff81a972e0>] entry_SYSCALL_64_fastpath+0x13/0x94
> > [ 4110.008261] Code: 00 4c 8b 6f ac 49 8d 74 24 40 e8 8b 65 1b e1 85 c0 0f 84 86 00 00 00 49 8d bd 80 00 00 00 e8 07 d2 86 e1 48 8b 53 10 48 8b 43 18 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 48 89 43 10
> > [ 4110.009334] RIP [<ffffffffa0229db1>] nfs4_put_open_state+0x51/0xe0 [nfsv4]
> > [ 4110.009606] RSP <ffffc9000ecffaf0>
> > [ 4110.010444] ---[ end trace 321fb30dd41845f9 ]---```
>
> Please find the full log attached.
>
(FWIW, this is a client-side crash, but you cc'ed Bruce and I who are
the server maintainers)
This one doesn't look familiar to me.
It crashed while tearing down the opendata. On my machine that
instruction offset corresponds to one of the list_del calls in
nfs4_put_open_state. Your offset may be different. What you may want to
do is grab the debuginfo for that kernel (if it's stripped) and use gdb
to open nfsv4.ko and then do something like:
gdb> list *(nfs4_put_open_state+0x51)
That should give you a listing around the exact spot of the crash.
Without a vmcore here though, you may be out of luck on really tracking
this down.
--
Jeff Layton <jlayton@poochiereds.net>
^ permalink raw reply [flat|nested] 14+ messages in thread
* general protection fault: 0000 [#1] SMP
@ 2011-03-14 17:41 Justin P. Mattock
0 siblings, 0 replies; 14+ messages in thread
From: Justin P. Mattock @ 2011-03-14 17:41 UTC (permalink / raw)
To: Linux Kernel Mailing List
Ive seen this before, this time though once this fired off the screen
kind of got garbled but the system was usable.
Note: I am having an issue with radeon(trying to figure out another
issue)so maybe this is part of what I am seeing..:
[ 7820.017431] general protection fault: 0000 [#1] SMP
[ 7820.017538] last sysfs file:
/sys/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:46/input14/capabilities/sw
[ 7820.017628] CPU 0
[ 7820.017656] Modules linked in: evdev hidp xfrm4_mode_transport xcbc
rmd160 sha512_generic rfcomm sco bnep l2cap radeon drm_kms_helper
ipt_REJECT xt_tcpudp ipt_LOG iptable_nat nf_nat xt_state
nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
iptable_filter ip_tables x_tables btusb bluetooth psmouse thermal fan
container button ac battery video ath9k ath9k_common ath9k_hw ath ttm
drm aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null des_generic cast5
blowfish serpent camellia twofish_generic twofish_x86_64 twofish_common
ctr ah4 esp4 authenc firewire_ohci firewire_core uhci_hcd ehci_hcd
coretemp acpi_cpufreq processor mperf appletouch applesmc
[ 7820.018011]
[ 7820.018011] Pid: 508, comm: kswapd0 Not tainted
2.6.38-rc8-00123-g41d5502 #2 Apple Computer, Inc. MacBookPro2,2/Mac-F42187C8
[ 7820.018011] RIP: 0010:[<ffffffff8110eb45>] [<ffffffff8110eb45>]
evict+0x10/0x88
[ 7820.018011] RSP: 0000:ffff88003d645cb0 EFLAGS: 00010282
[ 7820.018011] RAX: e08e66c08e66d88e RBX: ffff88000008f050 RCX:
0000000000000025
[ 7820.018011] RDX: ffff8800223e8188 RSI: ffffffff8116a98f RDI:
ffff88000008f050
[ 7820.018011] RBP: ffff88003d645cc0 R08: 0000000000000080 R09:
ffff880039cf6f80
[ 7820.018011] R10: ffff88003d645b80 R11: ffff880039cf70d8 R12:
ffff88003d645d00
[ 7820.018011] R13: ffff88000008f108 R14: 0000000000000080 R15:
0000000000000080
[ 7820.018011] FS: 0000000000000000(0000) GS:ffff88003ee00000(0000)
knlGS:0000000000000000
[ 7820.018011] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 7820.018011] CR2: 0000000000a9e000 CR3: 0000000008f26000 CR4:
00000000000006f0
[ 7820.018011] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 7820.018011] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 7820.018011] Process kswapd0 (pid: 508, threadinfo ffff88003d644000,
task ffff88003d669560)
[ 7820.018011] Stack:
[ 7820.018011] ffff880039cf7050 ffff88000008f050 ffff88003d645cf0
ffffffff8110f17d
[ 7820.018011] 0000000000000000 ffff880005417a78 ffff880005417a88
0000000000000000
[ 7820.018011] ffff88003d645d40 ffffffff8110f9bb ffff8800223e8188
ffff880002ba3a88
[ 7820.018011] Call Trace:
[ 7820.018011] [<ffffffff8110f17d>] dispose_list+0x47/0xe3
[ 7820.018011] [<ffffffff8110f9bb>] shrink_icache_memory+0x281/0x2b3
[ 7820.018011] [<ffffffff810d04dc>] shrink_slab+0xde/0x162
[ 7820.018011] [<ffffffff810d0b21>] kswapd+0x5c1/0x9af
[ 7820.018011] [<ffffffff810d0560>] ? kswapd+0x0/0x9af
[ 7820.018011] [<ffffffff8107bdaf>] kthread+0x7d/0x85
[ 7820.018011] [<ffffffff8102e064>] kernel_thread_helper+0x4/0x10
[ 7820.018011] [<ffffffff8107bd32>] ? kthread+0x0/0x85
[ 7820.018011] [<ffffffff8102e060>] ? kernel_thread_helper+0x0/0x10
[ 7820.018011] Code: 10 81 be 07 00 00 00 e8 2f cc 33 00 48 c7 83 88 00
00 00 60 00 00 00 5f 5b c9 c3 55 48 89 e5 53 48 89 fb 48 83 ec 08 48 8b
47 18 <48> 8b 40 30 48 8b 40 28 48 85 c0 74 04 ff d0 eb 20 48 83 bf 10
[ 7820.018011] RIP [<ffffffff8110eb45>] evict+0x10/0x88
[ 7820.018011] RSP <ffff88003d645cb0>
[ 7820.028800] ---[ end trace 506063ca7889c564 ]---
full dmesg here:
http://fpaste.org/wzgx/
Justin P. Mattock
^ permalink raw reply [flat|nested] 14+ messages in thread
* general protection fault: 0000 [#1] SMP
@ 2010-07-03 22:59 Justin P. Mattock
0 siblings, 0 replies; 14+ messages in thread
From: Justin P. Mattock @ 2010-07-03 22:59 UTC (permalink / raw)
To: Linux Kernel Mailing List
the kernel barfed this up, on waking up from suspend.. I've tried to
reproduce this but haven't.(will see if I can, then will do a bisect)
also I've had to revert commit: 6a4f3b52377 due to another issue
so maybe that is a factor in this..
[10384.818511] general protection fault: 0000 [#1] SMP
[10384.818517] last sysfs file: /sys/devices/platform/applesmc.768/light
[10384.818520] CPU 1
[10384.818522] Modules linked in: radeon ttm drm_kms_helper drm sco xcbc
bnep rmd160 sha512_generic xt_tcpudp ipt_LOG iptable_nat nf_nat xt_state
nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4
iptable_filter ip_tables x_tables ath9k ath9k_common firewire_ohci
firewire_core battery ath9k_hw ac video evdev ohci1394 sky2 ath joydev
button thermal i2c_i801 hid_magicmouse aes_x86_64 lzo lzo_compress zlib
ipcomp xfrm_ipcomp crypto_null sha256_generic cbc des_generic cast5
blowfish serpent camellia twofish twofish_common ctr ah4 esp4 authenc
raw1394 ieee1394 uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap
bluetooth coretemp acpi_cpufreq processor mperf appletouch applesmc uvcvideo
[10384.818594]
[10384.818598] Pid: 409, comm: kswapd0 Not tainted
2.6.35-rc3-00398-g5a847c7-dirty #13 Mac-F42187C8/MacBookPro2,2
[10384.818601] RIP: 0010:[<ffffffff810b7487>] [<ffffffff810b7487>]
find_get_pages+0x62/0xc0
[10384.818611] RSP: 0018:ffff88003e011b40 EFLAGS: 00010293
[10384.818614] RAX: ffff88000008f000 RBX: ffff88003e011bf0 RCX:
0000000000000003
[10384.818617] RDX: ffff88003e011c08 RSI: 0000000000000001 RDI:
8ed88ec88ce88b66
[10384.818620] RBP: ffff88003e011b90 R08: 8ed88ec88ce88b6e R09:
0000000000000002
[10384.818623] R10: ffff88000008f050 R11: ffff88000008f050 R12:
ffffffffffffffff
[10384.818626] R13: 000000000000000e R14: 0000000000000000 R15:
0000000000000003
[10384.818629] FS: 0000000000000000(0000) GS:ffff880001b00000(0000)
knlGS:0000000000000000
[10384.818632] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[10384.818635] CR2: 00007f1a8989b000 CR3: 000000000166d000 CR4:
00000000000006e0
[10384.818638] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[10384.818641] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[10384.818644] Process kswapd0 (pid: 409, threadinfo ffff88003e010000,
task ffff88003eded490)
[10384.818646] Stack:
[10384.818648] ffff88003e011b70 ffffffff810c0e85 ffff880018a2afe0
0000000e0001fad8
[10384.818652] <0> ffff880018a30c68 ffff88003e011be0 0000000000000000
ffff88003e011be0
[10384.818657] <0> ffffffffffffffff ffff880018a2afd8 ffff88003e011bb0
ffffffff810bed06
[10384.818663] Call Trace:
[10384.818669] [<ffffffff810c0e85>] ? __remove_mapping+0xa5/0xbe
[10384.818674] [<ffffffff810bed06>] pagevec_lookup+0x1d/0x26
[10384.818678] [<ffffffff810bfb78>] invalidate_mapping_pages+0xe7/0x10b
[10384.818683] [<ffffffff810fdc4a>] shrink_icache_memory+0x10a/0x227
[10384.818687] [<ffffffff810c21fc>] shrink_slab+0xd6/0x147
[10384.818691] [<ffffffff810c25d2>] balance_pgdat+0x365/0x5b4
[10384.818695] [<ffffffff810c29c7>] kswapd+0x1a6/0x1bc
[10384.818700] [<ffffffff81070d75>] ? autoremove_wake_function+0x0/0x34
[10384.818704] [<ffffffff810c2821>] ? kswapd+0x0/0x1bc
[10384.818707] [<ffffffff81070953>] kthread+0x7a/0x82
[10384.818712] [<ffffffff81027264>] kernel_thread_helper+0x4/0x10
[10384.818716] [<ffffffff810708d9>] ? kthread+0x0/0x82
[10384.818719] [<ffffffff81027260>] ? kernel_thread_helper+0x0/0x10
[10384.818721] Code: f5 d0 11 00 48 89 da 89 45 cc 31 c9 eb 64 48 8b 02
48 8b 38 40 f6 c7 01 49 0f 45 fc 48 85 ff 74 4b 48 83 ff ff 74 c8 4c 8d
47 08 <8b> 77 08 85 f6 74 dc 44 8d 4e 01 89 f0 f0 45 0f b1 08 39 f0 74
[10384.818762] RIP [<ffffffff810b7487>] find_get_pages+0x62/0xc0
[10384.818767] RSP <ffff88003e011b40>
[10384.818770] ---[ end trace 594fde37483e4533 ]---
Justin P. Mattock
^ permalink raw reply [flat|nested] 14+ messages in thread
* general protection fault: 0000 [1] SMP
@ 2006-01-30 8:54 Martin Klier
2006-02-17 13:25 ` Martin Klier
0 siblings, 1 reply; 14+ messages in thread
From: Martin Klier @ 2006-01-30 8:54 UTC (permalink / raw)
To: linux-admin
[-- Attachment #1: Type: text/plain, Size: 3342 bytes --]
Dear list,
has somebody seen something like that before?
------------------snip----------------------
Jan 28 00:27:54 svdbslx002 kernel: general protection fault: 0000 [1] SMP
Jan 28 00:27:54 svdbslx002 kernel: CPU 1
Jan 28 00:27:54 svdbslx002 kernel: Pid: 14706, comm: ps Tainted: P U
(2.6.5-7.201-smp SLES9_SP2_BRANCH-20050825
0620450000)
Jan 28 00:27:54 svdbslx002 kernel: RIP: 0010:[<ffffffff80177f4b>]
<ffffffff80177f4b>{get_user_pages+267}
Jan 28 00:27:54 svdbslx002 kernel: RSP: 0018:00000101d2e8dd58 EFLAGS:
00010202
Jan 28 00:27:54 svdbslx002 kernel: RAX: 00009cd0f0009ff8 RBX: 00000000ffffe000
RCX: 0000010000000000
Jan 28 00:27:54 svdbslx002 kernel: RDX: 00009bd0f0009ff8 RSI: 000ffffffffff000
RDI: ffffffff803d4f80
Jan 28 00:27:54 svdbslx002 kernel: RBP: 00000101d8d6cc00 R08: 0000000000000000
R09: 0000000000000001
Jan 28 00:27:54 svdbslx002 kernel: R10: 0000000000000001 R11: 0000000000000246
R12: 0000000000000000
Jan 28 00:27:54 svdbslx002 kernel: R13: 0000000000000000 R14: 000001017b9163e0
R15: 0000000000000001
Jan 28 00:27:54 svdbslx002 kernel: FS: 00000000417ff960(0000)
GS:ffffffff80562f00(0000) knlGS:00000000557d56a0
Jan 28 00:27:54 svdbslx002 kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Jan 28 00:27:54 svdbslx002 kernel: CR2: 0000007fbfffbc90 CR3: 000000017ff54000
CR4: 00000000000006e0
Jan 28 00:27:54 svdbslx002 kernel: Process ps (pid: 14706, threadinfo
00000101d2e8c000, task 000001015fecf330)
Jan 28 00:27:54 svdbslx002 kernel: Stack: 00000101e9e263a0 ffffffff8019c54b
00000101d2e8de98 0000000000000000
Jan 28 00:27:54 svdbslx002 kernel: 000fffffeff80106 0000000000000106
00000010d2e8dde8 00000000ffffe000
Jan 28 00:27:54 svdbslx002 kernel: 0000000000000001 00000101d2e8de18
Jan 28 00:27:54 svdbslx002 kernel: Call
Trace:<ffffffff8019c54b>{real_lookup+123} <ffffffff80145493>{access_process
_vm+179}
Jan 28 00:27:54 svdbslx002 kernel:
<ffffffff801c4d02>{proc_pid_cmdline+146} <ffffffff801c418f>{proc_info_rea
d+111}
Jan 28 00:27:54 svdbslx002 kernel: <ffffffff8018d234>{vfs_read+244}
<ffffffff8018d48d>{sys_read+157}
Jan 28 00:27:54 svdbslx002 kernel: <ffffffff80189e87>{sys_open+231}
<ffffffff801107d4>{system_call+124}
Jan 28 00:27:54 svdbslx002 kernel:
Jan 28 00:27:54 svdbslx002 kernel:
Jan 28 00:27:54 svdbslx002 kernel: Code: 48 8b 00 48 c1 eb 09 81 e3 f8 0f 00
00 48 21 f0 48 01 d8 48
Jan 28 00:27:54 svdbslx002 kernel: RIP <ffffffff80177f4b>{get_user_pages+267}
RSP <00000101d2e8dd58>
------------------snip----------------------
In the web, I found several *shrug*s and vague hints on a nmi watchdog issue.
But I have not seen a real solution anywhere. Can YOU tell me more?
--
Mit freundlichen Grüßen
i.A. Martin Klier
PC-Benutzerunterstützung / Linux-Server
IT Asset Management
A.T.U - Auto-Teile-Unger
Dr.-Kilian-Straße 11
92637 Weiden
Telefon: (0961) 306-5663
Telefax: (0961) 306-5982
Internet: www.atu.de
Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte
Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail
irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und
vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die unbefugte
Weitergabe dieser Mail ist nicht gestattet.
[-- Attachment #2: signature --]
[-- Type: application/pgp-signature, Size: 189 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread* Re: general protection fault: 0000 [1] SMP
2006-01-30 8:54 general protection fault: 0000 [1] SMP Martin Klier
@ 2006-02-17 13:25 ` Martin Klier
0 siblings, 0 replies; 14+ messages in thread
From: Martin Klier @ 2006-02-17 13:25 UTC (permalink / raw)
To: linux-admin
[-- Attachment #1: Type: text/plain, Size: 1491 bytes --]
Hi there,
> Jan 28 00:27:54 svdbslx002 kernel: general protection fault: 0000 [1] SMP
> Jan 28 00:27:54 svdbslx002 kernel: CPU 1
> Jan 28 00:27:54 svdbslx002 kernel: Pid: 14706, comm: ps Tainted: P U
> (2.6.5-7.201-smp SLES9_SP2_BRANCH-20050825
> 0620450000)
I have found the culprit (Novell support helped a lot):
The 2.6.5-7.201 kernel for x86_64 suffered from a racing condition via which
32-bit systemcalls could cause Oopses. As far as I understood occured the
problem in memory allocation for 32bit code.
Maybe you want to read
http://www.x86-64.org/lists/discuss/msg05795.html
or
http://groups.google.de/group/fa.linux.kernel/browse_thread/thread/d3d72f301833e6e2/948440747db94d2b?lnk=st&q=kernel%3A+general+protection+fault%3A+0000+%5B1%5D+SMP&rnum=1&hl=de#948440747db94d2b
It will help to upgrade to the 2.6.5-7.244 kernel, available as part of SP3 or
as
the separate patch-10731, "Recommended update for Linux kernel",
http://support.novell.com/cgi-bin/search/searchtid.cgi?/psdb/309c95cc337c1c860f8b7fd1ef14067a.html
Have care, maybe you will have to re-think your raw device rights management
after patching to -7.244. Dunno why, but it's fact that since the upgrade the
raw binary messes up the given file permissions/ownership/group each time you
(re)map a raw device.
Regards,
--
Mit freundlichen Grüßen
i.A. Martin Klier
Serveradministration / Datenbanken
A.T.U - Auto-Teile-Unger
Dr.-Kilian-Straße 11
92637 Weiden
[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
end of thread, other threads:[~2017-10-12 10:50 UTC | newest]
Thread overview: 14+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-11-20 16:35 general protection fault: 0000 [#1] SMP Justin Mattock
2010-11-20 22:28 ` Jesper Juhl
2010-11-20 22:32 ` Jesper Juhl
2010-11-20 23:21 ` Justin P. Mattock
2010-11-22 19:01 ` Justin P. Mattock
2010-11-22 20:25 ` Hugh Dickins
2010-11-22 21:44 ` Justin P. Mattock
-- strict thread matches above, loose matches on Subject: below --
2017-10-11 14:40 Olivier Bonvalet
2017-10-12 7:12 ` [ceph-users] " Ilya Dryomov
2017-10-12 10:23 ` Jeff Layton
[not found] ` <1507803838.5310.9.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-10-12 10:50 ` Ilya Dryomov
[not found] <550186fd-f426-08a6-8b32-e2818717b06a@molgen.mpg.de>
2017-05-04 10:49 ` Jeff Layton
2011-03-14 17:41 Justin P. Mattock
2010-07-03 22:59 Justin P. Mattock
2006-01-30 8:54 general protection fault: 0000 [1] SMP Martin Klier
2006-02-17 13:25 ` Martin Klier
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