syzbot


Internal error in xfs_inodegc_worker

Status: moderation: reported on 2024/11/06 16:43
Subsystems: xfs
[Documentation on labels]
Reported-by: syzbot+2ebe3aeccd6e101c94d6@syzkaller.appspotmail.com
First crash: 18d, last: 18d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: slab-out-of-bounds Write in xfs_inodegc_worker xfs 2 162d 181d 0/28 auto-obsoleted due to no activity on 2024/09/09 14:09

Sample crash report:
Internal error: SP/PC alignment exception: 000000008a000000 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 27 Comm: kworker/1:1 Not tainted 6.12.0-rc5-syzkaller-g5283dc78f4da #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: xfs-inodegc/loop0 xfs_inodegc_worker
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : xfs_inodegc_worker+0x1/0x8f8 fs/xfs/xfs_icache.c:1894
lr : process_one_work+0x7bc/0x1600 kernel/workqueue.c:3229
sp : ffff8000979d7b20
x29: ffff8000979d7cb0 x28: ffff700012f3af80 x27: ffff0000c1bb9018
x26: ffff0000c1bb9010 x25: ffff0000d00ba400 x24: dfff800000000000
x23: ffff0000c1b8dac0 x22: fffffdffbf709098 x21: 0000000000000002
x20: ffff0000c1b8dec4 x19: ffff0000c1bb9000 x18: ffff8000979d7820
x17: 000000000003015f x16: ffff8000830cb3ac x15: 0000000000000001
x14: 1ffff0001264d1ac x13: dfff800000000000 x12: 0000000000000000
x11: ffff70001264d1ad x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff800081d912bd x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80009327fc98 x4 : 0000000000000008 x3 : ffff80008035a9c8
x2 : 0000000000000001 x1 : ffff80008bb679c0 x0 : fffffdffbf709098
Call trace:
 xfs_inodegc_worker+0x1/0x8f8 fs/xfs/xfs_icache.c:1894 (P)
 process_one_work+0x7bc/0x1600 kernel/workqueue.c:3229 (L)
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3391
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Code: fda9415f bfa8c47b c0d50323 3fd65f03 (ffd50323) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	fda9415f 	.inst	0xfda9415f ; undefined
   4:	bfa8c47b 	.inst	0xbfa8c47b ; undefined
   8:	c0d50323 	.inst	0xc0d50323 ; undefined
   c:	3fd65f03 	.inst	0x3fd65f03 ; undefined
* 10:	ffd50323 	.inst	0xffd50323 ; undefined <-- trapping instruction

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/02 16:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5283dc78f4da f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 Internal error in xfs_inodegc_worker
* Struck through repros no longer work on HEAD.