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kernel BUG in __gfs2_glock_put

Status: auto-obsoleted due to no activity on 2024/06/06 08:03
Subsystems: gfs2
[Documentation on labels]
Reported-by: syzbot+335b6972be76fa40c22f@syzkaller.appspotmail.com
First crash: 792d, last: 784d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [gfs2?] kernel BUG in __gfs2_glock_put 0 (1) 2024/02/23 18:29
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 kernel BUG in __gfs2_glock_put -1 138 197d 292d 0/3 auto-obsoleted due to no activity on 2025/12/15 10:53
linux-6.6 kernel BUG in __gfs2_glock_put (2) -1 102 77d 107d 0/2 auto-obsoleted due to no activity on 2026/04/14 09:31
upstream kernel BUG in __gfs2_glock_put (2) gfs2 -1 C 502 98d 305d 0/29 upstream: reported C repro on 2025/06/20 06:44
linux-6.1 kernel BUG in __gfs2_glock_put (2) -1 102 53d 112d 0/3 upstream: reported on 2025/12/30 10:11
linux-6.6 kernel BUG in __gfs2_glock_put -1 219 234d 291d 0/2 auto-obsoleted due to no activity on 2025/11/08 04:20

Sample crash report:
gfs2: fsid=syz:syz.0: G:  s:UN n:2/13 f:n t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:282!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 81 Comm: kworker/0:1H Tainted: G    B              6.8.0-rc5-syzkaller-g9abbc24128bc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: glock_workqueue glock_work_func
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __gfs2_glock_put+0x3f4/0x4ec fs/gfs2/glock.c:282
lr : __gfs2_glock_put+0x3f4/0x4ec fs/gfs2/glock.c:282
sp : ffff800093ff7ac0
x29: ffff800093ff7ac0 x28: 1fffe00019f678cf x27: dfff800000000000
x26: ffff0000c4fef808 x25: 0000000000018151 x24: 1fffe00020b61015
x23: ffff000105b08000 x22: dfff800000000000 x21: 0000000000018151
x20: ffff0000cfb3c838 x19: ffff0000cfb3c548 x18: 1fffe00036800396
x17: ffff80008ec8d000 x16: ffff80008ad5bbdc x15: 0000000000000001
x14: 1ffff000127fee18 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000001 x10: 0000000000ff0100 x9 : 966ea7dbd078a700
x8 : 966ea7dbd078a700 x7 : 1fffe00036800397 x6 : ffff800080297af0
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800082f22fb0
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __gfs2_glock_put+0x3f4/0x4ec fs/gfs2/glock.c:282
 glock_work_func+0x2ac/0x440 fs/gfs2/glock.c:1109
 process_one_work+0x694/0x1204 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x938/0xef4 kernel/workqueue.c:2787
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Code: aa1f03e0 aa1303e1 52800022 97fff7f7 (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/02/27 08:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9abbc24128bc 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __gfs2_glock_put
2024/02/23 18:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9abbc24128bc 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __gfs2_glock_put
2024/02/19 18:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 83d49ede4b18 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in __gfs2_glock_put
* Struck through repros no longer work on HEAD.