* WARNING: CPU: 3 PID: 2548 at fs/btrfs/transaction.c:537 start_transaction+0x489/0x4f0
[not found] <434d856f-bd7b-4889-a6ec-e81aaebfa735.ref@schaufler-ca.com>
@ 2021-02-25 19:47 ` Casey Schaufler
2021-02-25 20:39 ` Filipe Manana
0 siblings, 1 reply; 3+ messages in thread
From: Casey Schaufler @ 2021-02-25 19:47 UTC (permalink / raw)
To: linux-btrfs, clm, josef, dsterba; +Cc: Casey Schaufler
I recently upgraded a Smack based system to Fedora33. I now get
this stack trace on a regular basis. The system appears to be
functioning correctly, but I find the warning worrisome.
[ 220.732359] ------------[ cut here ]------------
[ 220.732398] WARNING: CPU: 3 PID: 2548 at fs/btrfs/transaction.c:537 start_transaction+0x489/0x4f0
[ 220.732400] Modules linked in: nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter rfkill ip6_tables iptable_filter bpfilter sunrpc snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_msr intel_rapl_common snd_hda_core kvm_intel snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer i2c_i801 i2c_smbus snd kvm virtio_balloon soundcore iTCO_wdt intel_pmc_bxt iTCO_vendor_support lpc_ich irqbypass zram ip_tables crct10dif_pclmul crc32_pclmul qxl crc32c_intel drm_ttm_helper ttm drm_kms_helper cec drm ghash_clmulni_intel serio_raw virtio_console virtio_net net_failover virtio_blk failover qemu_fw_cfg fuse
[ 220.732439] CPU: 3 PID: 2548 Comm: mkdir Not tainted 5.9.0-rc2smack+ #81
[ 220.732441] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 220.732444] RIP: 0010:start_transaction+0x489/0x4f0
[ 220.732447] Code: e9 be fc ff ff be 03 00 00 00 4c 89 ff e8 3f b6 05 00 85 c0 0f 84 8a fc ff ff c7 44 24 0c 00 00 00 00 4c 63 e0 e9 34 ff ff ff <0f> 0b e9 c7 fb ff ff be 02 00 00 00 e8 86 72 17 00 e9 f0 fb ff ff
[ 220.732449] RSP: 0018:ffffc90001887d10 EFLAGS: 00010202
[ 220.732452] RAX: ffff88816f1e0000 RBX: 0000000000000201 RCX: 0000000000000003
[ 220.732454] RDX: 0000000000000201 RSI: 0000000000000002 RDI: ffff888177849000
[ 220.732456] RBP: ffff888177849000 R08: 0000000000000001 R09: 0000000000000004
[ 220.732458] R10: ffffffff825e8f7a R11: 0000000000000003 R12: ffffffffffffffe2
[ 220.732460] R13: 0000000000000000 R14: ffff88803d884270 R15: ffff8881680d8000
[ 220.732463] FS: 00007f67317b8440(0000) GS:ffff88817bcc0000(0000) knlGS:0000000000000000
[ 220.732465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 220.732467] CR2: 00007f67247a22a8 CR3: 000000004bfbc002 CR4: 0000000000370ee0
[ 220.732472] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 220.732474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 220.732475] Call Trace:
[ 220.732480] ? slab_free_freelist_hook+0xea/0x1b0
[ 220.732483] ? trace_hardirqs_on+0x1c/0xe0
[ 220.732490] btrfs_setxattr_trans+0x3c/0xf0
[ 220.732496] __vfs_setxattr+0x63/0x80
[ 220.732502] smack_d_instantiate+0x2d3/0x360
[ 220.732507] security_d_instantiate+0x29/0x40
[ 220.732511] d_instantiate_new+0x38/0x90
[ 220.732515] btrfs_mkdir+0x1cf/0x1e0
[ 220.732521] vfs_mkdir+0x14f/0x200
[ 220.732525] do_mkdirat+0x6d/0x110
[ 220.732531] do_syscall_64+0x2d/0x40
[ 220.732534] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 220.732537] RIP: 0033:0x7f673196ae6b
[ 220.732540] Code: 8b 05 11 20 0d 00 41 bc ff ff ff ff 64 c7 00 16 00 00 00 e9 37 ff ff ff e8 d2 f3 01 00 66 90 f3 0f 1e fa b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d dd 1f 0d 00 f7 d8 64 89 01 48
[ 220.732542] RSP: 002b:00007ffc3c679b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 220.732545] RAX: ffffffffffffffda RBX: 00000000000001ff RCX: 00007f673196ae6b
[ 220.732547] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc3c67a30d
[ 220.732549] RBP: 00007ffc3c67a30d R08: 00000000000001ff R09: 0000000000000000
[ 220.732551] R10: 000055d3e39fe930 R11: 0000000000000246 R12: 0000000000000000
[ 220.732553] R13: 00007ffc3c679cd8 R14: 00007ffc3c67a30d R15: 00007ffc3c679ce0
[ 220.732563] irq event stamp: 11029
[ 220.732566] hardirqs last enabled at (11037): [<ffffffff81153fe6>] console_unlock+0x486/0x670
[ 220.732569] hardirqs last disabled at (11044): [<ffffffff81153c01>] console_unlock+0xa1/0x670
[ 220.732572] softirqs last enabled at (8864): [<ffffffff81e0102f>] asm_call_on_stack+0xf/0x20
[ 220.732575] softirqs last disabled at (8851): [<ffffffff81e0102f>] asm_call_on_stack+0xf/0x20
[ 220.732577] ---[ end trace 8f958916039daced ]---
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: WARNING: CPU: 3 PID: 2548 at fs/btrfs/transaction.c:537 start_transaction+0x489/0x4f0
2021-02-25 19:47 ` WARNING: CPU: 3 PID: 2548 at fs/btrfs/transaction.c:537 start_transaction+0x489/0x4f0 Casey Schaufler
@ 2021-02-25 20:39 ` Filipe Manana
2021-02-25 20:52 ` Casey Schaufler
0 siblings, 1 reply; 3+ messages in thread
From: Filipe Manana @ 2021-02-25 20:39 UTC (permalink / raw)
To: Casey Schaufler; +Cc: linux-btrfs, Chris Mason, Josef Bacik, David Sterba
On Thu, Feb 25, 2021 at 7:52 PM Casey Schaufler <casey@schaufler-ca.com> wrote:
>
> I recently upgraded a Smack based system to Fedora33. I now get
> this stack trace on a regular basis. The system appears to be
> functioning correctly, but I find the warning worrisome.
You have SELinux enabled I suppose.
Try the following patch:
https://pastebin.com/HXYCxyTD
And yes, the warning in this context, should cause no harm.
Thanks.
>
>
> [ 220.732359] ------------[ cut here ]------------
> [ 220.732398] WARNING: CPU: 3 PID: 2548 at fs/btrfs/transaction.c:537 start_transaction+0x489/0x4f0
> [ 220.732400] Modules linked in: nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter rfkill ip6_tables iptable_filter bpfilter sunrpc snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_msr intel_rapl_common snd_hda_core kvm_intel snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer i2c_i801 i2c_smbus snd kvm virtio_balloon soundcore iTCO_wdt intel_pmc_bxt iTCO_vendor_support lpc_ich irqbypass zram ip_tables crct10dif_pclmul crc32_pclmul qxl crc32c_intel drm_ttm_helper ttm drm_kms_helper cec drm ghash_clmulni_intel serio_raw virtio_console virtio_net net_failover virtio_blk failover qemu_fw_cfg fuse
> [ 220.732439] CPU: 3 PID: 2548 Comm: mkdir Not tainted 5.9.0-rc2smack+ #81
> [ 220.732441] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
> [ 220.732444] RIP: 0010:start_transaction+0x489/0x4f0
> [ 220.732447] Code: e9 be fc ff ff be 03 00 00 00 4c 89 ff e8 3f b6 05 00 85 c0 0f 84 8a fc ff ff c7 44 24 0c 00 00 00 00 4c 63 e0 e9 34 ff ff ff <0f> 0b e9 c7 fb ff ff be 02 00 00 00 e8 86 72 17 00 e9 f0 fb ff ff
> [ 220.732449] RSP: 0018:ffffc90001887d10 EFLAGS: 00010202
> [ 220.732452] RAX: ffff88816f1e0000 RBX: 0000000000000201 RCX: 0000000000000003
> [ 220.732454] RDX: 0000000000000201 RSI: 0000000000000002 RDI: ffff888177849000
> [ 220.732456] RBP: ffff888177849000 R08: 0000000000000001 R09: 0000000000000004
> [ 220.732458] R10: ffffffff825e8f7a R11: 0000000000000003 R12: ffffffffffffffe2
> [ 220.732460] R13: 0000000000000000 R14: ffff88803d884270 R15: ffff8881680d8000
> [ 220.732463] FS: 00007f67317b8440(0000) GS:ffff88817bcc0000(0000) knlGS:0000000000000000
> [ 220.732465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 220.732467] CR2: 00007f67247a22a8 CR3: 000000004bfbc002 CR4: 0000000000370ee0
> [ 220.732472] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 220.732474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 220.732475] Call Trace:
> [ 220.732480] ? slab_free_freelist_hook+0xea/0x1b0
> [ 220.732483] ? trace_hardirqs_on+0x1c/0xe0
> [ 220.732490] btrfs_setxattr_trans+0x3c/0xf0
> [ 220.732496] __vfs_setxattr+0x63/0x80
> [ 220.732502] smack_d_instantiate+0x2d3/0x360
> [ 220.732507] security_d_instantiate+0x29/0x40
> [ 220.732511] d_instantiate_new+0x38/0x90
> [ 220.732515] btrfs_mkdir+0x1cf/0x1e0
> [ 220.732521] vfs_mkdir+0x14f/0x200
> [ 220.732525] do_mkdirat+0x6d/0x110
> [ 220.732531] do_syscall_64+0x2d/0x40
> [ 220.732534] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [ 220.732537] RIP: 0033:0x7f673196ae6b
> [ 220.732540] Code: 8b 05 11 20 0d 00 41 bc ff ff ff ff 64 c7 00 16 00 00 00 e9 37 ff ff ff e8 d2 f3 01 00 66 90 f3 0f 1e fa b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d dd 1f 0d 00 f7 d8 64 89 01 48
> [ 220.732542] RSP: 002b:00007ffc3c679b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
> [ 220.732545] RAX: ffffffffffffffda RBX: 00000000000001ff RCX: 00007f673196ae6b
> [ 220.732547] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc3c67a30d
> [ 220.732549] RBP: 00007ffc3c67a30d R08: 00000000000001ff R09: 0000000000000000
> [ 220.732551] R10: 000055d3e39fe930 R11: 0000000000000246 R12: 0000000000000000
> [ 220.732553] R13: 00007ffc3c679cd8 R14: 00007ffc3c67a30d R15: 00007ffc3c679ce0
> [ 220.732563] irq event stamp: 11029
> [ 220.732566] hardirqs last enabled at (11037): [<ffffffff81153fe6>] console_unlock+0x486/0x670
> [ 220.732569] hardirqs last disabled at (11044): [<ffffffff81153c01>] console_unlock+0xa1/0x670
> [ 220.732572] softirqs last enabled at (8864): [<ffffffff81e0102f>] asm_call_on_stack+0xf/0x20
> [ 220.732575] softirqs last disabled at (8851): [<ffffffff81e0102f>] asm_call_on_stack+0xf/0x20
> [ 220.732577] ---[ end trace 8f958916039daced ]---
>
>
--
Filipe David Manana,
“Whether you think you can, or you think you can't — you're right.”
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: WARNING: CPU: 3 PID: 2548 at fs/btrfs/transaction.c:537 start_transaction+0x489/0x4f0
2021-02-25 20:39 ` Filipe Manana
@ 2021-02-25 20:52 ` Casey Schaufler
0 siblings, 0 replies; 3+ messages in thread
From: Casey Schaufler @ 2021-02-25 20:52 UTC (permalink / raw)
To: fdmanana
Cc: linux-btrfs, Chris Mason, Josef Bacik, David Sterba, Casey Schaufler
On 2/25/2021 12:39 PM, Filipe Manana wrote:
> On Thu, Feb 25, 2021 at 7:52 PM Casey Schaufler <casey@schaufler-ca.com> wrote:
>> I recently upgraded a Smack based system to Fedora33. I now get
>> this stack trace on a regular basis. The system appears to be
>> functioning correctly, but I find the warning worrisome.
> You have SELinux enabled I suppose.
No, I have Smack enabled, per the stack trace.
>
> Try the following patch:
>
> https://pastebin.com/HXYCxyTD
>
> And yes, the warning in this context, should cause no harm.
OK, thanks. I shan't worry about it any further.
>
> Thanks.
>
>>
>> [ 220.732359] ------------[ cut here ]------------
>> [ 220.732398] WARNING: CPU: 3 PID: 2548 at fs/btrfs/transaction.c:537 start_transaction+0x489/0x4f0
>> [ 220.732400] Modules linked in: nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter rfkill ip6_tables iptable_filter bpfilter sunrpc snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_msr intel_rapl_common snd_hda_core kvm_intel snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer i2c_i801 i2c_smbus snd kvm virtio_balloon soundcore iTCO_wdt intel_pmc_bxt iTCO_vendor_support lpc_ich irqbypass zram ip_tables crct10dif_pclmul crc32_pclmul qxl crc32c_intel drm_ttm_helper ttm drm_kms_helper cec drm ghash_clmulni_intel serio_raw virtio_console virtio_net net_failover virtio_blk failover qemu_fw_cfg fuse
>> [ 220.732439] CPU: 3 PID: 2548 Comm: mkdir Not tainted 5.9.0-rc2smack+ #81
>> [ 220.732441] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
>> [ 220.732444] RIP: 0010:start_transaction+0x489/0x4f0
>> [ 220.732447] Code: e9 be fc ff ff be 03 00 00 00 4c 89 ff e8 3f b6 05 00 85 c0 0f 84 8a fc ff ff c7 44 24 0c 00 00 00 00 4c 63 e0 e9 34 ff ff ff <0f> 0b e9 c7 fb ff ff be 02 00 00 00 e8 86 72 17 00 e9 f0 fb ff ff
>> [ 220.732449] RSP: 0018:ffffc90001887d10 EFLAGS: 00010202
>> [ 220.732452] RAX: ffff88816f1e0000 RBX: 0000000000000201 RCX: 0000000000000003
>> [ 220.732454] RDX: 0000000000000201 RSI: 0000000000000002 RDI: ffff888177849000
>> [ 220.732456] RBP: ffff888177849000 R08: 0000000000000001 R09: 0000000000000004
>> [ 220.732458] R10: ffffffff825e8f7a R11: 0000000000000003 R12: ffffffffffffffe2
>> [ 220.732460] R13: 0000000000000000 R14: ffff88803d884270 R15: ffff8881680d8000
>> [ 220.732463] FS: 00007f67317b8440(0000) GS:ffff88817bcc0000(0000) knlGS:0000000000000000
>> [ 220.732465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [ 220.732467] CR2: 00007f67247a22a8 CR3: 000000004bfbc002 CR4: 0000000000370ee0
>> [ 220.732472] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>> [ 220.732474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>> [ 220.732475] Call Trace:
>> [ 220.732480] ? slab_free_freelist_hook+0xea/0x1b0
>> [ 220.732483] ? trace_hardirqs_on+0x1c/0xe0
>> [ 220.732490] btrfs_setxattr_trans+0x3c/0xf0
>> [ 220.732496] __vfs_setxattr+0x63/0x80
>> [ 220.732502] smack_d_instantiate+0x2d3/0x360
>> [ 220.732507] security_d_instantiate+0x29/0x40
>> [ 220.732511] d_instantiate_new+0x38/0x90
>> [ 220.732515] btrfs_mkdir+0x1cf/0x1e0
>> [ 220.732521] vfs_mkdir+0x14f/0x200
>> [ 220.732525] do_mkdirat+0x6d/0x110
>> [ 220.732531] do_syscall_64+0x2d/0x40
>> [ 220.732534] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [ 220.732537] RIP: 0033:0x7f673196ae6b
>> [ 220.732540] Code: 8b 05 11 20 0d 00 41 bc ff ff ff ff 64 c7 00 16 00 00 00 e9 37 ff ff ff e8 d2 f3 01 00 66 90 f3 0f 1e fa b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d dd 1f 0d 00 f7 d8 64 89 01 48
>> [ 220.732542] RSP: 002b:00007ffc3c679b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
>> [ 220.732545] RAX: ffffffffffffffda RBX: 00000000000001ff RCX: 00007f673196ae6b
>> [ 220.732547] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc3c67a30d
>> [ 220.732549] RBP: 00007ffc3c67a30d R08: 00000000000001ff R09: 0000000000000000
>> [ 220.732551] R10: 000055d3e39fe930 R11: 0000000000000246 R12: 0000000000000000
>> [ 220.732553] R13: 00007ffc3c679cd8 R14: 00007ffc3c67a30d R15: 00007ffc3c679ce0
>> [ 220.732563] irq event stamp: 11029
>> [ 220.732566] hardirqs last enabled at (11037): [<ffffffff81153fe6>] console_unlock+0x486/0x670
>> [ 220.732569] hardirqs last disabled at (11044): [<ffffffff81153c01>] console_unlock+0xa1/0x670
>> [ 220.732572] softirqs last enabled at (8864): [<ffffffff81e0102f>] asm_call_on_stack+0xf/0x20
>> [ 220.732575] softirqs last disabled at (8851): [<ffffffff81e0102f>] asm_call_on_stack+0xf/0x20
>> [ 220.732577] ---[ end trace 8f958916039daced ]---
>>
>>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-02-25 20:56 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <434d856f-bd7b-4889-a6ec-e81aaebfa735.ref@schaufler-ca.com>
2021-02-25 19:47 ` WARNING: CPU: 3 PID: 2548 at fs/btrfs/transaction.c:537 start_transaction+0x489/0x4f0 Casey Schaufler
2021-02-25 20:39 ` Filipe Manana
2021-02-25 20:52 ` Casey Schaufler
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