* [Bug 205465] New: [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90
@ 2019-11-08 6:32 bugzilla-daemon
2019-11-29 11:36 ` [Bug 205465] " bugzilla-daemon
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-11-08 6:32 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=205465
Bug ID: 205465
Summary: [xfstests generic/475]: general protection fault: 0000
[#1] SMP KASAN PTI, RIP:
0010:iter_file_splice_write+0x63f/0xa90
Product: File System
Version: 2.5
Kernel Version: xfs-linux 5.4.0-rc3+ + xfs-5.5-merge-6 +
iomap-5.5-merge-6
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: XFS
Assignee: filesystem_xfs@kernel-bugs.kernel.org
Reporter: zlang@redhat.com
Regression: No
Description of problem:
I hit a kernel panic on xfs-linux "xfs-5.5-merge-6 + iomap-5.5-merge-6":
[34623.023691] run fstests generic/475 at 2019-10-31 20:19:44
[34626.293952] XFS (dm-0): Mounting V5 Filesystem
[34626.441140] XFS (dm-0): Ending clean mount
[34626.483454] Mounted xfs file system at /mnt/xfstests/mnt2 supports
timestamps until 2038 (0x7fffffff)
[34628.679834] iomap_finish_ioend: 7 callbacks suppressed
[34628.679840] dm-0: writeback error on inode 16797854, offset 1150976, sector
15762000
[34628.679905] dm-0: writeback error on inode 16797854, offset 2818048, sector
15761568
[34628.684120] dm-0: writeback error on inode 162, offset 176128, sector 21936
[34628.706668] dm-0: writeback error on inode 25166791, offset 1314816, sector
23616848
[34342.606123] dm-0: writeback error on inode 9220, offset 2793472, sector
181616
[34342.606215] dm-0: writeback error on inode 8429459, offset 212992, sector
7939416
[34342.638699] Buffer I/O error on dev dm-0, logical block 31457156, async page
read
[34342.672923] XFS (dm-0): log I/O error -5
[34342.704060] Buffer I/O error on dev dm-0, logical block 31457157, async page
read
[34342.739474] XFS (dm-0): xfs_do_force_shutdown(0x2) called from line 1297 of
file fs/xfs/xfs_log.c. Return address = ffffffffc096045d
[34342.771022] Buffer I/O error on dev dm-0, logical block 31457158, async page
read
[34342.803487] XFS (dm-0): Log I/O Error Detected. Shutting down filesystem
[34342.803491] XFS (dm-0): Please unmount the filesystem and rectify the
problem(s)
[34342.805783] XFS (dm-0): log I/O error -5
[34342.837407] Buffer I/O error on dev dm-0, logical block 31457159, async page
read
[34347.295823] kasan: CONFIG_KASAN_INLINE enabled
[34347.317883] kasan: GPF could be caused by NULL-ptr deref or user memory
access
[34347.355081] general protection fault: 0000 [#1] SMP KASAN PTI
[34347.381157] CPU: 1 PID: 28596 Comm: fsstress Tainted: G B
5.4.0-rc3+ #1
[34347.416675] Hardware name: HP ProLiant ML150 Gen9/ProLiant ML150 Gen9, BIOS
P95 10/17/2018
[34347.454030] RIP: 0010:iter_file_splice_write+0x63f/0xa90
[34347.477454] Code: 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 61 03 00 00
48 8b 46 10 48 c7 46 10 00 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 <80> 3c 1a
00 0f 85 52 03 00 00 48 8b 40 08 48 89 ef e8 cb 87 7e 01
[34347.567386] RSP: 0018:ffff8881021478e8 EFLAGS: 00010202
[34347.594284] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
0000000000000010
[34347.630173] RDX: 0000000000000001 RSI: ffff88803bb2f230 RDI:
0000000000000008
[34347.664386] RBP: ffff88804593f800 R08: fffff9400085f55f R09:
fffff9400085f55f
[34347.697446] R10: fffff9400085f55e R11: ffffea00042faaf7 R12:
ffffed1008b27f27
[34347.729815] R13: ffffed1008b27f1f R14: 000000000000f991 R15:
ffff88804593f8fc
[34347.762054] FS: 00007fb54c31db80(0000) GS:ffff888111200000(0000)
knlGS:0000000000000000
[34347.798497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[34347.824248] CR2: 00007fa1677d97bc CR3: 000000010a6b0005 CR4:
00000000001606e0
[34347.861461] Call Trace:
[34347.872401] ? __x64_sys_tee+0x220/0x220
[34347.890482] ? generic_file_splice_read+0x4f5/0x6c0
[34347.913129] ? add_to_pipe+0x330/0x330
[34347.930226] ? _cond_resched+0x15/0x30
[34347.947065] direct_splice_actor+0x107/0x1d0
[34347.966187] splice_direct_to_actor+0x2ed/0x7f0
[34347.986506] ? wakeup_pipe_readers+0x80/0x80
[34348.005665] ? do_splice_to+0x140/0x140
[34348.022821] ? security_file_permission+0x53/0x2b0
[34348.044361] do_splice_direct+0x158/0x250
[34348.062308] ? splice_direct_to_actor+0x7f0/0x7f0
[34348.083596] ? __sb_start_write+0x1c4/0x310
[34348.102277] vfs_copy_file_range+0x39c/0xa40
[34348.121542] ? __x64_sys_sendfile+0x1d0/0x1d0
[34348.141038] ? lockdep_hardirqs_on+0x590/0x590
[34348.160710] ? lock_downgrade+0x6d0/0x6d0
[34348.178716] ? lock_acquire+0x15a/0x3d0
[34348.196037] ? __might_fault+0xc4/0x1b0
[34348.213777] __x64_sys_copy_file_range+0x1e8/0x460
[34348.235365] ? __ia32_sys_copy_file_range+0x460/0x460
[34348.257992] ? __audit_syscall_exit+0x796/0xab0
[34348.278378] do_syscall_64+0x9f/0x4f0
[34348.294861] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[34348.317937] RIP: 0033:0x7fb54b80f99d
[34348.334352] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89
f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d bb 64 2c 00 f7 d8 64 89 01 48
[34348.423644] RSP: 002b:00007ffedb7d1ae8 EFLAGS: 00000246 ORIG_RAX:
0000000000000146
[34348.457684] RAX: ffffffffffffffda RBX: 00007ffedb7d1b38 RCX:
00007fb54b80f99d
[34348.489609] RDX: 0000000000000004 RSI: 00007ffedb7d1b30 RDI:
0000000000000003
[34348.521710] RBP: 000000000001cb24 R08: 000000000001cb24 R09:
0000000000000000
[34348.554435] R10: 00007ffedb7d1b38 R11: 0000000000000246 R12:
00007ffedb7d1b30
[34348.586406] R13: 0000000000000003 R14: 0000000000000004 R15:
00000000000bfb4b
[34348.618467] Modules linked in: dm_mod iTCO_wdt intel_rapl_msr
iTCO_vendor_support intel_rapl_common sb_edac x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf dax_pmem_compat
device_dax dax_pmem_core pcspkr nd_pmem i2c_i801 lpc_ich ipmi_ssif hpilo hpwdt
ipmi_si sg ioatdma ipmi_devintf dca sunrpc ipmi_msghandler acpi_tad
acpi_power_meter vfat fat xfs libcrc32c sd_mod mgag200 drm_kms_helper
syscopyarea sysfillrect sysimgblt fb_sys_fops i2c_algo_bit drm_vram_helper ttm
ahci libahci drm libata crc32c_intel tg3 wmi
[34348.869785] ---[ end trace 0c361151da993489 ]---
[34348.908928] RIP: 0010:iter_file_splice_write+0x63f/0xa90
[34348.932900] Code: 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 61 03 00 00
48 8b 46 10 48 c7 46 10 00 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 <80> 3c 1a
00 0f 85 52 03 00 00 48 8b 40 08 48 89 ef e8 cb 87 7e 01
[34349.017307] RSP: 0018:ffff8881021478e8 EFLAGS: 00010202
[34349.040799] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
0000000000000010
[34349.072993] RDX: 0000000000000001 RSI: ffff88803bb2f230 RDI:
0000000000000008
[34349.105063] RBP: ffff88804593f800 R08: fffff9400085f55f R09:
fffff9400085f55f
[34349.137064] R10: fffff9400085f55e R11: ffffea00042faaf7 R12:
ffffed1008b27f27
[34349.169397] R13: ffffed1008b27f1f R14: 000000000000f991 R15:
ffff88804593f8fc
[34349.201528] FS: 00007fb54c31db80(0000) GS:ffff888111200000(0000)
knlGS:0000000000000000
[34349.238784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[34349.264602] CR2: 00007fa1677d97bc CR3: 000000010a6b0005 CR4:
00000000001606e0
[34349.812107] XFS (dm-0): Unmounting Filesystem
[34350.152935] XFS (dm-0): Mounting V5 Filesystem
# cat generic/475.full
meta-data=/dev/sdb4 isize=512 agcount=4, agsize=983040 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=1, rmapbt=0
= reflink=1
data = bsize=4096 blocks=3932160, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0, ftype=1
log =internal log bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
device-mapper: remove ioctl on error-test failed: No such device or address
Command failed.
seed = 1572771114
seed = 1572585309
seed = 1572643818
seed = 1572855289
...
...
Sorry for this late bug report, I find this issue earlier, but I was stuck by
other things, didn't have time to report it. I'll test on latest xfs to check
if this issue still there.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 205465] [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90
2019-11-08 6:32 [Bug 205465] New: [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90 bugzilla-daemon
@ 2019-11-29 11:36 ` bugzilla-daemon
2019-12-04 15:56 ` bugzilla-daemon
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-11-29 11:36 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=205465
--- Comment #1 from Zorro Lang (zlang@redhat.com) ---
Hit this panic again on mainline linux v5.4 (HEAD=c2da5bdc66a3) with
xfs-linux(xfs-5.5-merge-15 + iomap-5.5-merge-11 + vfs-5.5-merge-1):
[14842.571874] kasan: CONFIG_KASAN_INLINE enabled
[14842.576866] kasan: GPF could be caused by NULL-ptr deref or user memory
access
[14842.584962] general protection fault: 0000 [#1] SMP KASAN PTI
[14842.591387] CPU: 30 PID: 12775 Comm: fsstress Tainted: G B
5.4.0+ #1
[14842.599938] Hardware name: Dell Inc. PowerEdge R730/0599V5, BIOS 2.8.0
005/17/2018
[14842.608403] RIP: 0010:iter_file_splice_write+0x63f/0xa90
[14842.614341] Code: 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 61 03 00 00
48 8b 46 10 48 c7 46 10 00 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 <80> 3c 1a
00 0f 85 52 03 00 00 48 8b 40 08 48 89 ef e8 5b 2e 7d 01
[14842.635305] RSP: 0018:ffff888b9935fc68 EFLAGS: 00010202
[14842.641142] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
0000000000000010
[14842.649110] RDX: 0000000000000001 RSI: ffff888bb0d53208 RDI:
0000000000000008
[14842.657069] RBP: ffff888b713fb400 R08: fffff94005b3058f R09:
fffff94005b3058f
[14842.665038] R10: fffff94005b3058e R11: ffffea002d982c77 R12:
ffffed116e27f6a7
[14842.673005] R13: ffffed116e27f69f R14: 000000000002ff84 R15:
ffff888b713fb4fc
[14842.680969] FS: 00007fcaa5972b80(0000) GS:ffff888115c00000(0000)
knlGS:0000000000000000
[14842.690006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[14842.696424] CR2: 000055a30542b000 CR3: 0000000b9fc8e005 CR4:
00000000001606e0
[14842.704393] Call Trace:
[14842.707147] ? __x64_sys_tee+0x220/0x220
[14842.711535] ? lock_acquire+0x15a/0x3d0
[14842.715820] ? do_splice+0xb37/0x1110
[14842.719919] ? __sb_start_write+0x191/0x310
[14842.724592] ? __sb_start_write+0x1c4/0x310
[14842.729273] do_splice+0xa12/0x1110
[14842.733175] ? opipe_prep+0x300/0x300
[14842.737267] ? syscall_slow_exit_work+0x540/0x540
[14842.742523] ? __audit_syscall_exit+0x796/0xab0
[14842.747592] __x64_sys_splice+0x247/0x2d0
[14842.752080] do_syscall_64+0x9f/0x4f0
[14842.756177] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[14842.761817] RIP: 0033:0x7fcaa4e6b39b
[14842.765810] Code: c7 c0 ff ff ff ff eb b6 0f 1f 80 00 00 00 00 f3 0f 1e fa
48 8d 05 c5 52 2c 00 49 89 ca 8b 00 85 c0 75 14 b8 13 01 00 00 0f 05 <48> 3d 00
f0 ff ff 77 75 c3 0f 1f 40 00 41 57 4d 89 c7 41 56 49 89
[14842.786771] RSP: 002b:00007fffbae7c5f8 EFLAGS: 00000246 ORIG_RAX:
0000000000000113
[14842.795227] RAX: ffffffffffffffda RBX: 0000000000000004 RCX:
00007fcaa4e6b39b
[14842.803196] RDX: 0000000000000004 RSI: 0000000000000000 RDI:
0000000000000005
[14842.811162] RBP: 00007fffbae7c648 R08: 000000000000cb23 R09:
0000000000000000
[14842.819133] R10: 00007fffbae7c648 R11: 0000000000000246 R12:
000000000000cb23
[14842.827104] R13: 000000000000cb23 R14: 000000000000cb23 R15:
0000000000000003
[14842.835082] Modules linked in: dm_mod intel_rapl_msr iTCO_wdt
iTCO_vendor_support dcdbas intel_rapl_common sb_edac x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf pcspkr
dax_pmem_compat device_dax nd_pmem dax_pmem_core mxm_wmi cdc_ether lpc_ich
usbnet mii mei_me mei ipmi_ssif sg ioatdma dca ipmi_si ipmi_devintf
ipmi_msghandler acpi_power_meter sunrpc vfat fat ip_tables xfs sr_mod cdrom
sd_mod mgag200 drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops
i2c_algo_bit drm_vram_helper ttm drm ahci bnx2x libahci libata mdio
megaraid_sas libcrc32c tg3 crc32c_intel wmi
[14842.902703] ---[ end trace dfcbf13626b906e6 ]---
[14843.053619] RIP: 0010:iter_file_splice_write+0x63f/0xa90
[14843.059564] Code: 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 61 03 00 00
48 8b 46 10 48 c7 46 10 00 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 <80> 3c 1a
00 0f 85 52 03 00 00 48 8b 40 08 48 89 ef e8 5b 2e 7d 01
[14843.080528] RSP: 0018:ffff888b9935fc68 EFLAGS: 00010202
[14843.086372] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
0000000000000010
[14843.094348] RDX: 0000000000000001 RSI: ffff888bb0d53208 RDI:
0000000000000008
[14843.102322] RBP: ffff888b713fb400 R08: fffff94005b3058f R09:
fffff94005b3058f
[14843.110297] R10: fffff94005b3058e R11: ffffea002d982c77 R12:
ffffed116e27f6a7
[14843.118262] R13: ffffed116e27f69f R14: 000000000002ff84 R15:
ffff888b713fb4fc
[14843.126237] FS: 00007fcaa5972b80(0000) GS:ffff888115c00000(0000)
knlGS:0000000000000000
[14843.135270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[14843.141693] CR2: 000055a30542b000 CR3: 0000000b9fc8e005 CR4:
00000000001606e0
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 205465] [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90
2019-11-08 6:32 [Bug 205465] New: [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90 bugzilla-daemon
2019-11-29 11:36 ` [Bug 205465] " bugzilla-daemon
@ 2019-12-04 15:56 ` bugzilla-daemon
2019-12-05 6:12 ` bugzilla-daemon
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-12-04 15:56 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=205465
Darrick J. Wong (djwong+kernel@djwong.org) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |djwong+kernel@djwong.org
--- Comment #2 from Darrick J. Wong (djwong+kernel@djwong.org) ---
Could you please post the source line translations of the relevant functions?
I don't have your kernel build.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 205465] [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90
2019-11-08 6:32 [Bug 205465] New: [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90 bugzilla-daemon
2019-11-29 11:36 ` [Bug 205465] " bugzilla-daemon
2019-12-04 15:56 ` bugzilla-daemon
@ 2019-12-05 6:12 ` bugzilla-daemon
2019-12-05 6:44 ` bugzilla-daemon
2019-12-31 3:40 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-12-05 6:12 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=205465
--- Comment #3 from Zorro Lang (zlang@redhat.com) ---
(In reply to Darrick J. Wong from comment #2)
> Could you please post the source line translations of the relevant
> functions? I don't have your kernel build.
I already removed this testing kernel build, and merged lots of new patches.
But good news is I still can reproduce this issue[1] (by g/461 this time). I'll
build the new kernel and post the source line translations of the relevant
functions later.
[ 4693.175856] run fstests generic/461 at 2019-12-04 21:46:00
[ 4693.694096] XFS (sda5): Mounting V5 Filesystem
[ 4693.703963] XFS (sda5): Ending clean mount
[ 4693.710992] xfs filesystem being mounted at /mnt/xfstests/mnt2 supports
timestamps until 2038 (0x7fffffff)
[ 4693.726744] XFS (sda5): User initiated shutdown received. Shutting down
filesystem
[ 4693.740549] XFS (sda5): Unmounting Filesystem
[ 4693.895876] XFS (sda5): Mounting V5 Filesystem
[ 4693.905492] XFS (sda5): Ending clean mount
[ 4693.912655] xfs filesystem being mounted at /mnt/xfstests/mnt2 supports
timestamps until 2038 (0x7fffffff)
[ 4702.015718] restraintd[1391]: *** Current Time: Wed Dec 04 21:46:11 2019
Localwatchdog at: Fri Dec 06 20:32:11 2019
[ 4708.950866] XFS (sda5): User initiated shutdown received. Shutting down
filesystem
[ 4708.972833] kasan: CONFIG_KASAN_INLINE enabled
[ 4708.977801] kasan: GPF could be caused by NULL-ptr deref or user memory
access
[ 4708.985889] general protection fault: 0000 [#1] SMP KASAN PTI
[ 4708.992294] CPU: 0 PID: 19412 Comm: fsstress Not tainted 5.4.0+ #1
[ 4708.999190] Hardware name: Dell Inc. PowerEdge R630/0CNCJW, BIOS 1.2.10
03/09/2015
[ 4709.007655] RIP: 0010:iter_file_splice_write+0x668/0xa00
[ 4709.013584] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 97 02 00 00
48 8b 56 10 48 c7 46 10 00 00 00 00 48 8d 7a 08 49 89 f8 49 c1 e8 03 <41> 80 3c
18 00 0f 85 96 02 00 00 48 8b 52 08 4c 89 e7 41 83 c6 01
[ 4709.034540] RSP: 0018:ffff8887ca8bf8d8 EFLAGS: 00010202
[ 4709.040373] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
ffffffff93c2f280
[ 4709.048336] RDX: 0000000000000000 RSI: ffff8887fcd05000 RDI:
0000000000000008
[ 4709.056299] RBP: ffffed1102ae1ca7 R08: 0000000000000001 R09:
fffff94000397e8f
[ 4709.064262] R10: fffff94000397e8e R11: ffffea0001cbf477 R12:
ffff88881570e400
[ 4709.072225] R13: 0000000000003000 R14: 0000000000000010 R15:
ffffed1102ae1c9f
[ 4709.080188] FS: 00007f89493b6b80(0000) GS:ffff888827a00000(0000)
knlGS:0000000000000000
[ 4709.089217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4709.095628] CR2: 00007f89493b5000 CR3: 00000007ce162004 CR4:
00000000001606f0
[ 4709.103590] Call Trace:
[ 4709.106327] ? __x64_sys_tee+0x220/0x220
[ 4709.110704] ? generic_file_splice_read+0x4f5/0x6c0
[ 4709.116148] ? add_to_pipe+0x370/0x370
[ 4709.120330] ? _cond_resched+0x15/0x30
[ 4709.124518] direct_splice_actor+0x107/0x1d0
[ 4709.129284] splice_direct_to_actor+0x32d/0x8a0
[ 4709.134342] ? wakeup_pipe_readers+0x80/0x80
[ 4709.139099] ? do_splice_to+0x140/0x140
[ 4709.143381] ? security_file_permission+0x53/0x2b0
[ 4709.148738] do_splice_direct+0x158/0x250
[ 4709.153212] ? splice_direct_to_actor+0x8a0/0x8a0
[ 4709.158464] ? __sb_start_write+0x1c4/0x310
[ 4709.163125] vfs_copy_file_range+0x39c/0xa40
[ 4709.167890] ? __x64_sys_sendfile+0x1d0/0x1d0
[ 4709.172753] ? lockdep_hardirqs_on+0x590/0x590
[ 4709.177706] ? lock_downgrade+0x6d0/0x6d0
[ 4709.182180] ? lock_acquire+0x15a/0x3d0
[ 4709.186459] ? __might_fault+0xc4/0x1a0
[ 4709.190754] __x64_sys_copy_file_range+0x1e8/0x460
[ 4709.196101] ? __ia32_sys_copy_file_range+0x460/0x460
[ 4709.201749] ? __audit_syscall_exit+0x796/0xab0
[ 4709.206810] do_syscall_64+0x9f/0x4f0
[ 4709.210897] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 4709.216534] RIP: 0033:0x7f89488a96fd
[ 4709.220523] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89
f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 5b 57 2c 00 f7 d8 64 89 01 48
[ 4709.241479] RSP: 002b:00007fff83524e98 EFLAGS: 00000246 ORIG_RAX:
0000000000000146
[ 4709.249928] RAX: ffffffffffffffda RBX: 00007fff83524ee8 RCX:
00007f89488a96fd
[ 4709.257891] RDX: 0000000000000004 RSI: 00007fff83524ee0 RDI:
0000000000000003
[ 4709.265854] RBP: 0000000000010fcc R08: 0000000000010fcc R09:
0000000000000000
[ 4709.273817] R10: 00007fff83524ee8 R11: 0000000000000246 R12:
00007fff83524ee0
[ 4709.281779] R13: 0000000000000003 R14: 0000000000000004 R15:
0000000000214da7
[ 4709.289746] Modules linked in: intel_rapl_msr intel_rapl_common iTCO_wdt
iTCO_vendor_support sb_edac x86_pkg_temp_thermal intel_powerclamp dcdbas
coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf dax_pmem_compat
device_dax nd_pmem dax_pmem_core pcspkr mei_me ipmi_ssif mei lpc_ich sg ipmi_si
ipmi_devintf ipmi_msghandler rfkill sunrpc acpi_power_meter ip_tables xfs
libcrc32c sd_mod mgag200 drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops drm_vram_helper lpfc drm_ttm_helper ttm nvmet_fc nvmet drm nvme_fc
crc32c_intel nvme_fabrics ahci igb libahci nvme_core libata scsi_transport_fc
megaraid_sas dca i2c_algo_bit wmi
[ 4709.358683] ---[ end trace 2d7c5824fba18cef ]---
[ 4709.432470] RIP: 0010:iter_file_splice_write+0x668/0xa00
[ 4709.438415] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 97 02 00 00
48 8b 56 10 48 c7 46 10 00 00 00 00 48 8d 7a 08 49 89 f8 49 c1 e8 03 <41> 80 3c
18 00 0f 85 96 02 00 00 48 8b 52 08 4c 89 e7 41 83 c6 01
[ 4709.459386] RSP: 0018:ffff8887ca8bf8d8 EFLAGS: 00010202
[ 4709.465230] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
ffffffff93c2f280
[ 4709.473196] RDX: 0000000000000000 RSI: ffff8887fcd05000 RDI:
0000000000000008
[ 4709.481161] RBP: ffffed1102ae1ca7 R08: 0000000000000001 R09:
fffff94000397e8f
[ 4709.489138] R10: fffff94000397e8e R11: ffffea0001cbf477 R12:
ffff88881570e400
[ 4709.497112] R13: 0000000000003000 R14: 0000000000000010 R15:
ffffed1102ae1c9f
[ 4709.505079] FS: 00007f89493b6b80(0000) GS:ffff888827a00000(0000)
knlGS:0000000000000000
[ 4709.514110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4709.520534] CR2: 00007f89493b5000 CR3: 00000007ce162004 CR4:
00000000001606f0
[ 4715.584506] XFS (sda5): Unmounting Filesystem
--
You are receiving this mail because:
You are watching the assignee of the bug.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug 205465] [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90
2019-11-08 6:32 [Bug 205465] New: [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90 bugzilla-daemon
` (2 preceding siblings ...)
2019-12-05 6:12 ` bugzilla-daemon
@ 2019-12-05 6:44 ` bugzilla-daemon
2019-12-31 3:40 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-12-05 6:44 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=205465
--- Comment #4 from Zorro Lang (zlang@redhat.com) ---
(In reply to Zorro Lang from comment #3)
> (In reply to Darrick J. Wong from comment #2)
> > Could you please post the source line translations of the relevant
> > functions? I don't have your kernel build.
>
> I already removed this testing kernel build, and merged lots of new patches.
> But good news is I still can reproduce this issue[1] (by g/461 this time).
> I'll build the new kernel and post the source line translations of the
> relevant functions later.
>
>
> [ 4693.175856] run fstests generic/461 at 2019-12-04 21:46:00
> [ 4693.694096] XFS (sda5): Mounting V5 Filesystem
> [ 4693.703963] XFS (sda5): Ending clean mount
> [ 4693.710992] xfs filesystem being mounted at /mnt/xfstests/mnt2 supports
> timestamps until 2038 (0x7fffffff)
> [ 4693.726744] XFS (sda5): User initiated shutdown received. Shutting down
> filesystem
> [ 4693.740549] XFS (sda5): Unmounting Filesystem
> [ 4693.895876] XFS (sda5): Mounting V5 Filesystem
> [ 4693.905492] XFS (sda5): Ending clean mount
> [ 4693.912655] xfs filesystem being mounted at /mnt/xfstests/mnt2 supports
> timestamps until 2038 (0x7fffffff)
> [ 4702.015718] restraintd[1391]: *** Current Time: Wed Dec 04 21:46:11 2019
> Localwatchdog at: Fri Dec 06 20:32:11 2019
> [ 4708.950866] XFS (sda5): User initiated shutdown received. Shutting down
> filesystem
> [ 4708.972833] kasan: CONFIG_KASAN_INLINE enabled
> [ 4708.977801] kasan: GPF could be caused by NULL-ptr deref or user memory
> access
> [ 4708.985889] general protection fault: 0000 [#1] SMP KASAN PTI
> [ 4708.992294] CPU: 0 PID: 19412 Comm: fsstress Not tainted 5.4.0+ #1
> [ 4708.999190] Hardware name: Dell Inc. PowerEdge R630/0CNCJW, BIOS 1.2.10
> 03/09/2015
> [ 4709.007655] RIP: 0010:iter_file_splice_write+0x668/0xa00
# ./scripts/faddr2line vmlinux iter_file_splice_write+0x668
iter_file_splice_write+0x668/0xa00:
pipe_buf_release at include/linux/pipe_fs_i.h:187
(inlined by) iter_file_splice_write at fs/splice.c:773
691 ssize_t
692 iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
693 loff_t *ppos, size_t len, unsigned int flags)
694 {
695 struct splice_desc sd = {
696 .total_len = len,
697 .flags = flags,
698 .pos = *ppos,
699 .u.file = out,
700 };
701 int nbufs = pipe->max_usage;
702 struct bio_vec *array = kcalloc(nbufs, sizeof(struct bio_vec),
703 GFP_KERNEL);
704 ssize_t ret;
705
706 if (unlikely(!array))
707 return -ENOMEM;
708
709 pipe_lock(pipe);
710
711 splice_from_pipe_begin(&sd);
712 while (sd.total_len) {
713 struct iov_iter from;
714 unsigned int head = pipe->head;
715 unsigned int tail = pipe->tail;
716 unsigned int mask = pipe->ring_size - 1;
717 size_t left;
718 int n;
719
720 ret = splice_from_pipe_next(pipe, &sd);
721 if (ret <= 0)
722 break;
723
724 if (unlikely(nbufs < pipe->max_usage)) {
725 kfree(array);
726 nbufs = pipe->max_usage;
727 array = kcalloc(nbufs, sizeof(struct bio_vec),
728 GFP_KERNEL);
729 if (!array) {
730 ret = -ENOMEM;
731 break;
732 }
733 }
734
735 /* build the vector */
736 left = sd.total_len;
737 for (n = 0; !pipe_empty(head, tail) && left && n <
nbufs; tail++, n++) {
738 struct pipe_buffer *buf = &pipe->bufs[tail &
mask];
739 size_t this_len = buf->len;
740
741 if (this_len > left)
742 this_len = left;
743
744 ret = pipe_buf_confirm(pipe, buf);
745 if (unlikely(ret)) {
746 if (ret == -ENODATA)
747 ret = 0;
748 goto done;
749 }
750
751 array[n].bv_page = buf->page;
752 array[n].bv_len = this_len;
753 array[n].bv_offset = buf->offset;
754 left -= this_len;
755 }
756
757 iov_iter_bvec(&from, WRITE, array, n, sd.total_len -
left);
758 ret = vfs_iter_write(out, &from, &sd.pos, 0);
759 if (ret <= 0)
760 break;
761
762 sd.num_spliced += ret;
763 sd.total_len -= ret;
764 *ppos = sd.pos;
765
766 /* dismiss the fully eaten buffers, adjust the partial
one */
767 tail = pipe->tail;
768 while (ret) {
769 struct pipe_buffer *buf = &pipe->bufs[tail &
mask];
770 if (ret >= buf->len) {
771 ret -= buf->len;
772 buf->len = 0;
773 pipe_buf_release(pipe, buf);
774 tail++;
775 pipe->tail = tail;
776 if (pipe->files)
777 sd.need_wakeup = true;
778 } else {
779 buf->offset += ret;
780 buf->len -= ret;
781 ret = 0;
782 }
783 }
784 }
785 done:
786 kfree(array);
787 splice_from_pipe_end(pipe, &sd);
788
789 pipe_unlock(pipe);
790
791 if (sd.num_spliced)
792 ret = sd.num_spliced;
793
794 return ret;
795 }
And
181 static inline void pipe_buf_release(struct pipe_inode_info *pipe,
182 struct pipe_buffer *buf)
183 {
184 const struct pipe_buf_operations *ops = buf->ops;
185
186 buf->ops = NULL;
187 ops->release(pipe, buf);
188 }
> [ 4709.013584] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 97 02 00
> 00 48 8b 56 10 48 c7 46 10 00 00 00 00 48 8d 7a 08 49 89 f8 49 c1 e8 03 <41>
> 80 3c 18 00 0f 85 96 02 00 00 48 8b 52 08 4c 89 e7 41 83 c6 01
> [ 4709.034540] RSP: 0018:ffff8887ca8bf8d8 EFLAGS: 00010202
> [ 4709.040373] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
> ffffffff93c2f280
> [ 4709.048336] RDX: 0000000000000000 RSI: ffff8887fcd05000 RDI:
> 0000000000000008
> [ 4709.056299] RBP: ffffed1102ae1ca7 R08: 0000000000000001 R09:
> fffff94000397e8f
> [ 4709.064262] R10: fffff94000397e8e R11: ffffea0001cbf477 R12:
> ffff88881570e400
> [ 4709.072225] R13: 0000000000003000 R14: 0000000000000010 R15:
> ffffed1102ae1c9f
> [ 4709.080188] FS: 00007f89493b6b80(0000) GS:ffff888827a00000(0000)
> knlGS:0000000000000000
> [ 4709.089217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 4709.095628] CR2: 00007f89493b5000 CR3: 00000007ce162004 CR4:
> 00000000001606f0
> [ 4709.103590] Call Trace:
> [ 4709.106327] ? __x64_sys_tee+0x220/0x220
> [ 4709.110704] ? generic_file_splice_read+0x4f5/0x6c0
> [ 4709.116148] ? add_to_pipe+0x370/0x370
> [ 4709.120330] ? _cond_resched+0x15/0x30
> [ 4709.124518] direct_splice_actor+0x107/0x1d0
> [ 4709.129284] splice_direct_to_actor+0x32d/0x8a0
> [ 4709.134342] ? wakeup_pipe_readers+0x80/0x80
> [ 4709.139099] ? do_splice_to+0x140/0x140
> [ 4709.143381] ? security_file_permission+0x53/0x2b0
> [ 4709.148738] do_splice_direct+0x158/0x250
> [ 4709.153212] ? splice_direct_to_actor+0x8a0/0x8a0
> [ 4709.158464] ? __sb_start_write+0x1c4/0x310
> [ 4709.163125] vfs_copy_file_range+0x39c/0xa40
> [ 4709.167890] ? __x64_sys_sendfile+0x1d0/0x1d0
> [ 4709.172753] ? lockdep_hardirqs_on+0x590/0x590
> [ 4709.177706] ? lock_downgrade+0x6d0/0x6d0
> [ 4709.182180] ? lock_acquire+0x15a/0x3d0
> [ 4709.186459] ? __might_fault+0xc4/0x1a0
> [ 4709.190754] __x64_sys_copy_file_range+0x1e8/0x460
> [ 4709.196101] ? __ia32_sys_copy_file_range+0x460/0x460
> [ 4709.201749] ? __audit_syscall_exit+0x796/0xab0
> [ 4709.206810] do_syscall_64+0x9f/0x4f0
> [ 4709.210897] entry_SYSCALL_64_after_hwframe+0x49/0xbe
> [ 4709.216534] RIP: 0033:0x7f89488a96fd
> [ 4709.220523] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48
> 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48>
> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 5b 57 2c 00 f7 d8 64 89 01 48
> [ 4709.241479] RSP: 002b:00007fff83524e98 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000146
> [ 4709.249928] RAX: ffffffffffffffda RBX: 00007fff83524ee8 RCX:
> 00007f89488a96fd
> [ 4709.257891] RDX: 0000000000000004 RSI: 00007fff83524ee0 RDI:
> 0000000000000003
> [ 4709.265854] RBP: 0000000000010fcc R08: 0000000000010fcc R09:
> 0000000000000000
> [ 4709.273817] R10: 00007fff83524ee8 R11: 0000000000000246 R12:
> 00007fff83524ee0
> [ 4709.281779] R13: 0000000000000003 R14: 0000000000000004 R15:
> 0000000000214da7
> [ 4709.289746] Modules linked in: intel_rapl_msr intel_rapl_common iTCO_wdt
> iTCO_vendor_support sb_edac x86_pkg_temp_thermal intel_powerclamp dcdbas
> coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul
> ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf
> dax_pmem_compat device_dax nd_pmem dax_pmem_core pcspkr mei_me ipmi_ssif mei
> lpc_ich sg ipmi_si ipmi_devintf ipmi_msghandler rfkill sunrpc
> acpi_power_meter ip_tables xfs libcrc32c sd_mod mgag200 drm_kms_helper
> syscopyarea sysfillrect sysimgblt fb_sys_fops drm_vram_helper lpfc
> drm_ttm_helper ttm nvmet_fc nvmet drm nvme_fc crc32c_intel nvme_fabrics ahci
> igb libahci nvme_core libata scsi_transport_fc megaraid_sas dca i2c_algo_bit
> wmi
> [ 4709.358683] ---[ end trace 2d7c5824fba18cef ]---
> [ 4709.432470] RIP: 0010:iter_file_splice_write+0x668/0xa00
> [ 4709.438415] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 97 02 00
> 00 48 8b 56 10 48 c7 46 10 00 00 00 00 48 8d 7a 08 49 89 f8 49 c1 e8 03 <41>
> 80 3c 18 00 0f 85 96 02 00 00 48 8b 52 08 4c 89 e7 41 83 c6 01
> [ 4709.459386] RSP: 0018:ffff8887ca8bf8d8 EFLAGS: 00010202
> [ 4709.465230] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
> ffffffff93c2f280
> [ 4709.473196] RDX: 0000000000000000 RSI: ffff8887fcd05000 RDI:
> 0000000000000008
> [ 4709.481161] RBP: ffffed1102ae1ca7 R08: 0000000000000001 R09:
> fffff94000397e8f
> [ 4709.489138] R10: fffff94000397e8e R11: ffffea0001cbf477 R12:
> ffff88881570e400
> [ 4709.497112] R13: 0000000000003000 R14: 0000000000000010 R15:
> ffffed1102ae1c9f
> [ 4709.505079] FS: 00007f89493b6b80(0000) GS:ffff888827a00000(0000)
> knlGS:0000000000000000
> [ 4709.514110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 4709.520534] CR2: 00007f89493b5000 CR3: 00000007ce162004 CR4:
> 00000000001606f0
> [ 4715.584506] XFS (sda5): Unmounting Filesystem
--
You are receiving this mail because:
You are watching the assignee of the bug.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 205465] [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90
2019-11-08 6:32 [Bug 205465] New: [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90 bugzilla-daemon
` (3 preceding siblings ...)
2019-12-05 6:44 ` bugzilla-daemon
@ 2019-12-31 3:40 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-12-31 3:40 UTC (permalink / raw)
To: linux-xfs
https://bugzilla.kernel.org/show_bug.cgi?id=205465
--- Comment #5 from Zorro Lang (zlang@redhat.com) ---
Hit this issue again on upstream mainline kernel 5.5.0-rc4, the HEAD commit is:
commit fd6988496e79a6a4bdb514a4655d2920209eb85d
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Dec 29 15:29:16 2019 -0800
Linux 5.5-rc4
[31287.078801] kasan: CONFIG_KASAN_INLINE enabled
[31287.141302] kasan: GPF could be caused by NULL-ptr deref or user memory
access
[31287.175211] general protection fault: 0000 [#1] SMP KASAN PTI
[31287.202065] CPU: 18 PID: 14354 Comm: fsstress Not tainted 5.5.0-rc4+ #1
[31287.231860] Hardware name: HP ProLiant XL190r Gen9/ProLiant XL190r Gen9,
BIOS U14 05/22/2018
[31287.270854] RIP: 0010:iter_file_splice_write+0x65f/0xa10
[31287.296139] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 e8 02 00 00
48 8b 56 10 48 c7 46 10 00 00 00 00 48 8d 7a 08 48 89 f9 48 c1 e9 03 <80> 3c 19
00 0f 85 80 02 00 00 48 8b 52 08 4c 89 ff 41 83 c5 01 e8
[31287.384468] RSP: 0018:ffff888074e778e0 EFLAGS: 00010202
[31287.409475] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
0000000000000001
[31287.442886] RDX: 0000000000000000 RSI: ffff888045ddc000 RDI:
0000000000000008
[31287.475859] RBP: ffffed100909fa27 R08: fffff9400014fa97 R09:
fffff9400014fa97
[31287.509173] R10: fffff9400014fa96 R11: ffffea0000a7d4b7 R12:
000000000000d38a
[31287.543272] R13: 0000000000000010 R14: ffffed100909fa1f R15:
ffff8880484fd000
[31287.577414] FS: 00007fa75d7f2b80(0000) GS:ffff888114200000(0000)
knlGS:0000000000000000
[31287.616719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31287.645465] CR2: 00007ffb22049978 CR3: 000000010055c006 CR4:
00000000001606e0
[31287.681499] Call Trace:
[31287.693418] ? __x64_sys_tee+0x220/0x220
[31287.712293] ? generic_file_splice_read+0x4f5/0x6c0
[31287.735384] ? add_to_pipe+0x370/0x370
[31287.753082] ? _cond_resched+0x15/0x30
[31287.770530] direct_splice_actor+0x107/0x1d0
[31287.790652] splice_direct_to_actor+0x32d/0x8a0
[31287.812108] ? wakeup_pipe_readers+0x80/0x80
[31287.831962] ? do_splice_to+0x140/0x140
[31287.849955] ? security_file_permission+0x53/0x2b0
[31287.872161] do_splice_direct+0x158/0x250
[31287.890904] ? splice_direct_to_actor+0x8a0/0x8a0
[31287.912841] ? __sb_start_write+0x1c4/0x310
[31287.932673] vfs_copy_file_range+0x39c/0xa40
[31287.952671] ? __x64_sys_sendfile+0x1d0/0x1d0
[31287.972959] ? lockdep_hardirqs_on+0x590/0x590
[31287.993801] ? lock_downgrade+0x6d0/0x6d0
[31288.012379] ? lock_acquire+0x15a/0x3d0
[31288.030130] ? __might_fault+0xc4/0x1a0
[31288.048482] __x64_sys_copy_file_range+0x1e8/0x460
[31288.070780] ? __ia32_sys_copy_file_range+0x460/0x460
[31288.094431] ? __audit_syscall_exit+0x796/0xab0
[31288.115526] do_syscall_64+0x9f/0x4f0
[31288.133481] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[31288.160230] RIP: 0033:0x7fa75cce36ed
[31288.178391] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89
f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 6b 57 2c 00 f7 d8 64 89 01 48
[31288.266254] RSP: 002b:00007ffe44247728 EFLAGS: 00000246 ORIG_RAX:
0000000000000146
[31288.302144] RAX: ffffffffffffffda RBX: 000000000000037d RCX:
00007fa75cce36ed
[31288.335625] RDX: 0000000000000004 RSI: 00007ffe44247760 RDI:
0000000000000003
[31288.368948] RBP: 00000000006ec600 R08: 000000000001092c R09:
0000000000000000
[31288.402554] R10: 00007ffe44247768 R11: 0000000000000246 R12:
0000000000000003
[31288.435810] R13: 000000000001092c R14: 0000000000027b80 R15:
00000000001037f6
[31288.469094] Modules linked in: loop intel_rapl_msr iTCO_wdt
intel_rapl_common iTCO_vendor_support sb_edac x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf pcspkr nd_pmem
dax_pmem_compat device_dax dax_pmem_core rfkill i2c_i801 lpc_ich hpilo hpwdt
sunrpc ipmi_ssif ioatdma ipmi_si acpi_tad ipmi_devintf ipmi_msghandler
acpi_power_meter ext4 mbcache jbd2 ip_tables xfs libcrc32c sd_mod sg mgag200
drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm_vram_helper
drm_ttm_helper ttm drm ahci igb serio_raw crc32c_intel libahci libata tg3 dca
i2c_algo_bit wmi
[31288.752336] ---[ end trace 568a174fdf5e3acb ]---
[31288.782986] RIP: 0010:iter_file_splice_write+0x65f/0xa10
[31288.807838] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 e8 02 00 00
48 8b 56 10 48 c7 46 10 00 00 00 00 48 8d 7a 08 48 89 f9 48 c1 e9 03 <80> 3c 19
00 0f 85 80 02 00 00 48 8b 52 08 4c 89 ff 41 83 c5 01 e8
[31288.895645] RSP: 0018:ffff888074e778e0 EFLAGS: 00010202
[31288.920068] RAX: 0000000000000000 RBX: dffffc0000000000 RCX:
0000000000000001
[31288.953407] RDX: 0000000000000000 RSI: ffff888045ddc000 RDI:
0000000000000008
[31288.986935] RBP: ffffed100909fa27 R08: fffff9400014fa97 R09:
fffff9400014fa97
[31289.019794] R10: fffff9400014fa96 R11: ffffea0000a7d4b7 R12:
000000000000d38a
[31289.052915] R13: 0000000000000010 R14: ffffed100909fa1f R15:
ffff8880484fd000
[31289.086764] FS: 00007fa75d7f2b80(0000) GS:ffff888114200000(0000)
knlGS:0000000000000000
[31289.124620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[31289.151387] CR2: 00007ffb22049978 CR3: 000000010055c006 CR4:
00000000001606e0
[31301.358103] XFS (sdb2): Unmounting Filesystem
[31301.706524] XFS (sdb2): Mounting V5 Filesystem
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end of thread, other threads:[~2019-12-31 3:40 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2019-11-08 6:32 [Bug 205465] New: [xfstests generic/475]: general protection fault: 0000 [#1] SMP KASAN PTI, RIP: 0010:iter_file_splice_write+0x63f/0xa90 bugzilla-daemon
2019-11-29 11:36 ` [Bug 205465] " bugzilla-daemon
2019-12-04 15:56 ` bugzilla-daemon
2019-12-05 6:12 ` bugzilla-daemon
2019-12-05 6:44 ` bugzilla-daemon
2019-12-31 3:40 ` bugzilla-daemon
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