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kernel BUG in gfs2_glock_nq

Status: upstream: reported C repro on 2023/03/12 21:28
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+1c34b9af91345e5a2c2e@syzkaller.appspotmail.com
First crash: 844d, last: 3d23h
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/05/04 upstream (ToT) 1a5304fecee5 C [report] kernel BUG in gfs2_glock_nq
▶ ▼ Similar bugs (9)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 kernel BUG in gfs2_glock_nq 2 1263d 1307d 0/1 auto-closed as invalid on 2022/05/17 22:53
linux-4.19 kernel BUG in gfs2_glock_nq 1 1543d 1543d 0/1 auto-closed as invalid on 2021/08/11 04:31
linux-4.19 kernel BUG in gfs2_glock_nq (2) gfs2 C error 52 850d 1389d 0/1 upstream: reported C repro on 2021/09/14 01:12
upstream kernel BUG in gfs2_glock_nq gfs2 2 1318d 1308d 0/29 auto-closed as invalid on 2022/03/23 19:53
linux-6.1 kernel BUG in gfs2_glock_nq origin:upstream C 745 1d00h 845d 0/3 upstream: reported C repro on 2023/03/12 01:31
linux-6.6 kernel BUG in gfs2_glock_nq origin:lts-only C 2 8d13h 11d 0/2 upstream: reported C repro on 2025/06/22 16:51
linux-4.14 kernel BUG in gfs2_glock_nq (2) gfs2 C 7 853d 1134d 0/1 upstream: reported C repro on 2022/05/26 14:43
upstream kernel BUG in gfs2_glock_nq (2) gfs2 C error 1389 12d 1015d 0/29 upstream: reported C repro on 2022/09/23 06:12
linux-4.14 kernel BUG at fs/gfs2/glock.c:LINE! 3 1619d 1691d 0/1 auto-closed as invalid on 2021/05/27 07:56
▶ ▼ Last patch testing requests (7)
Created Duration User Patch Repo Result
2025/03/28 16:05 11m retest repro linux-5.15.y report log
2025/03/12 14:24 14m retest repro linux-5.15.y report log
2025/03/12 14:24 15m retest repro linux-5.15.y report log
2025/03/12 14:24 12m retest repro linux-5.15.y report log
2025/02/06 23:08 13m retest repro linux-5.15.y report log
2025/02/06 23:08 53m retest repro linux-5.15.y report log
2025/02/06 23:08 1h12m retest repro linux-5.15.y report log
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2023/11/26 22:50 0m bisect fix linux-5.15.y error job log
2023/06/30 21:33 1h06m bisect fix linux-5.15.y OK (0) job log log
2023/05/24 00:21 59m bisect fix linux-5.15.y OK (0) job log log

Sample crash report:
gfs2: fsid=syz:syz.0: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4163 [syz-executor944] gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4163 [syz-executor944] do_sync+0x3ab/0xc60 fs/gfs2/quota.c:921
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1503!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4163 Comm: syz-executor944 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline]
RIP: 0010:gfs2_glock_nq+0x10c7/0x15e0 fs/gfs2/glock.c:1527
Code: ef e8 2d c8 34 fe 0f b7 4d 00 48 c7 c7 80 a3 ed 8a 4c 89 e6 89 da e8 98 29 a9 06 31 ff 4c 89 f6 ba 01 00 00 00 e8 d9 86 ff ff <0f> 0b e8 92 d4 ea fd e8 4d c3 6a fd e9 0f f9 ff ff 48 8d 5a 08 48
RSP: 0018:ffffc900030af918 EFLAGS: 00010246
RAX: 26788526d9a87000 RBX: 0000000000000008 RCX: ffff88802780bb80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88802229c45a R08: ffffffff83956549 R09: fffffbfff1c154de
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880254612c0
R13: dffffc0000000000 R14: ffff88806ed252c0 R15: ffff88802229c422
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005596a3bd44b8 CR3: 000000007d2e9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline]
 do_sync+0x3b3/0xc60 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1329
 gfs2_sync_fs+0x49/0xb0 fs/gfs2/super.c:647
 sync_filesystem+0xe8/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x310 fs/super.c:448
 kill_block_super+0x7a/0xe0 fs/super.c:1427
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x6a3/0x2480 kernel/exit.c:874
 do_group_exit+0x144/0x310 kernel/exit.c:996
 __do_sys_exit_group kernel/exit.c:1007 [inline]
 __se_sys_exit_group kernel/exit.c:1005 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0b22701ac9
Code: Unable to access opcode bytes at RIP 0x7f0b22701a9f.
RSP: 002b:00007fffbca25178 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0b22701ac9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f0b227902b0 R08: ffffffffffffffb8 R09: 000000000001268c
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0b227902b0
R13: 0000000000000000 R14: 00007f0b22791020 R15: 00007f0b226d0010
 </TASK>
Modules linked in:
---[ end trace 1ab1e90415ffc6d1 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline]
RIP: 0010:gfs2_glock_nq+0x10c7/0x15e0 fs/gfs2/glock.c:1527
Code: ef e8 2d c8 34 fe 0f b7 4d 00 48 c7 c7 80 a3 ed 8a 4c 89 e6 89 da e8 98 29 a9 06 31 ff 4c 89 f6 ba 01 00 00 00 e8 d9 86 ff ff <0f> 0b e8 92 d4 ea fd e8 4d c3 6a fd e9 0f f9 ff ff 48 8d 5a 08 48
RSP: 0018:ffffc900030af918 EFLAGS: 00010246
RAX: 26788526d9a87000 RBX: 0000000000000008 RCX: ffff88802780bb80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88802229c45a R08: ffffffff83956549 R09: fffffbfff1c154de
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880254612c0
R13: dffffc0000000000 R14: ffff88806ed252c0 R15: ffff88802229c422
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005596a3bd44b8 CR3: 000000007d2e9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (302):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/15 09:31 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/04/19 06:30 linux-5.15.y c52b9710c83d af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/04/07 19:03 linux-5.15.y 9465fef4ae35 ca620dd8 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2023/03/26 18:54 linux-5.15.y 115472395b0a fbf0499a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/03/13 05:40 linux-5.15.y c16c81c81336 1a5d9317 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/11/24 17:05 linux-5.15.y 0a51d2d4527b 68da6d95 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/28 09:14 linux-5.15.y 7e89efd3ae1c 46eb10b7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/04/09 00:30 linux-5.15.y 9465fef4ae35 53df08b6 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/03/01 02:43 linux-5.15.y 458ce51d0356 352ab904 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/02/24 05:21 linux-5.15.y 458ce51d0356 8d446f15 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/09/22 22:27 linux-5.15.y 35ecaa3632bf 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/08/07 03:50 linux-5.15.y 38d4ca22a528 4ffcc9ef .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/03/12 21:27 linux-5.15.y bbf9f29bac04 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/06/30 12:54 linux-5.15.y 3dea0e7f549e fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/06/03 20:11 linux-5.15.y 98f47d0e9b8c a30356b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/12 03:06 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/09 10:37 linux-5.15.y 3b8db0e4f263 bb813bcc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/09 10:34 linux-5.15.y 3b8db0e4f263 bb813bcc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/09 02:45 linux-5.15.y 16fdf2c7111b bb813bcc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/07 18:20 linux-5.15.y 16fdf2c7111b dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/06 19:41 linux-5.15.y 16fdf2c7111b 350f4ffc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/06 19:40 linux-5.15.y 16fdf2c7111b 350f4ffc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/06 03:36 linux-5.15.y 16fdf2c7111b ae98e6b9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/05 14:22 linux-5.15.y 16fdf2c7111b 6ca47dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/05 12:08 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/03 23:28 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/03 21:20 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/03 20:29 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/05/03 20:27 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/04/28 03:12 linux-5.15.y f7347f400572 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/04/22 17:14 linux-5.15.y f7347f400572 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/04/13 00:36 linux-5.15.y f7347f400572 0bd6db41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/02/19 03:53 linux-5.15.y c16c81c81336 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2025/06/30 12:51 linux-5.15.y 3dea0e7f549e fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/06/19 18:12 linux-5.15.y 1c700860e8bc ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/06/17 19:13 linux-5.15.y 1c700860e8bc cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/06/13 17:18 linux-5.15.y 1c700860e8bc 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/06/08 18:46 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/05/30 23:01 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/05/29 23:29 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/05/28 12:16 linux-5.15.y 98f47d0e9b8c 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/05/28 04:20 linux-5.15.y 98f47d0e9b8c 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/05/27 15:27 linux-5.15.y 98f47d0e9b8c 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/05/21 23:58 linux-5.15.y a68c15152131 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/05/21 21:35 linux-5.15.y a68c15152131 dc5d3808 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/05/11 01:35 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/04/28 01:52 linux-5.15.y f7347f400572 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/04/22 08:30 linux-5.15.y f7347f400572 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/04/19 23:04 linux-5.15.y f7347f400572 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/04/07 02:59 linux-5.15.y 0c935c049b5c 1c65791e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/04/06 02:56 linux-5.15.y 0c935c049b5c 1c65791e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/03/13 02:22 linux-5.15.y c16c81c81336 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/02/25 11:55 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/02/25 06:50 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/02/11 21:01 linux-5.15.y c16c81c81336 f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2025/02/11 14:02 linux-5.15.y c16c81c81336 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
* Struck through repros no longer work on HEAD.