syzbot

 sign-in | mailing list | source | docs
🐞 Open [735]
🐞 Fixed [51]
🐞 Invalid [496]
⬇ Missing Backports [58]
Kernel Health Bugs/Month Bug Lifetimes Fuzzing Crashes
💬 Send us feedback

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: 573d, last: 6d07h
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 (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 kernel BUG in gfs2_glock_nq 2 992d 1036d 0/1 auto-closed as invalid on 2022/05/17 22:53
linux-4.19 kernel BUG in gfs2_glock_nq 1 1272d 1272d 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 579d 1118d 0/1 upstream: reported C repro on 2021/09/14 01:12
upstream kernel BUG in gfs2_glock_nq gfs2 2 1047d 1036d 0/28 auto-closed as invalid on 2022/03/23 19:53
linux-6.1 kernel BUG in gfs2_glock_nq origin:upstream C 274 7d08h 574d 0/3 upstream: reported C repro on 2023/03/12 01:31
linux-4.14 kernel BUG in gfs2_glock_nq (2) gfs2 C 7 582d 863d 0/1 upstream: reported C repro on 2022/05/26 14:43
upstream kernel BUG in gfs2_glock_nq (2) gfs2 C error 1320 5d14h 744d 0/28 upstream: reported C repro on 2022/09/23 06:12
linux-4.14 kernel BUG at fs/gfs2/glock.c:LINE! 3 1347d 1419d 0/1 auto-closed as invalid on 2021/05/27 07:56
▶ ▼ 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: pid: 3500
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: new: gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0: new: do_sync+0x3ab/0xc60 fs/gfs2/quota.c:921
gfs2: fsid=syz:syz.0: pid: 3500
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
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:3500 [syz-executor245] gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:3500 [syz-executor245] do_sync+0x3ab/0xc60 fs/gfs2/quota.c:921
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1501!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3500 Comm: syz-executor245 Not tainted 5.15.156-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:add_to_queue fs/gfs2/glock.c:1501 [inline]
RIP: 0010:gfs2_glock_nq+0x10c7/0x15e0 fs/gfs2/glock.c:1525
Code: ef e8 6d ab 3f fe 0f b7 4d 00 48 c7 c7 60 98 cc 8a 4c 89 e6 89 da e8 a8 fc 91 06 31 ff 4c 89 f6 ba 01 00 00 00 e8 29 87 ff ff <0f> 0b e8 a2 e6 f5 fd e8 fd 17 76 fd e9 0f f9 ff ff 48 8d 5a 08 48
RSP: 0018:ffffc900011df918 EFLAGS: 00010246
RAX: 26991ee02edc8e00 RBX: 0000000000000008 RCX: ffff88807be5d940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88807e3e6a5a R08: ffffffff838a1289 R09: fffffbfff1bc8b5e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078cd92c0
R13: dffffc0000000000 R14: ffff888073b6c960 R15: ffff88807e3e6a22
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5405a1e130 CR3: 0000000023416000 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+0x6e/0x2c0 fs/super.c:448
 kill_block_super+0x7a/0xe0 fs/super.c:1414
 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:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x6a3/0x2480 kernel/exit.c:872
 do_group_exit+0x144/0x310 kernel/exit.c:994
 __do_sys_exit_group kernel/exit.c:1005 [inline]
 __se_sys_exit_group kernel/exit.c:1003 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1003
 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: 0033:0x7f5405991749
Code: Unable to access opcode bytes at RIP 0x7f540599171f.
RSP: 002b:00007ffcc5348c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5405991749
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f5405a202b0 R08: ffffffffffffffb8 R09: 00007ffcc5348d40
R10: 00000000000800b0 R11: 0000000000000246 R12: 00007f5405a202b0
R13: 0000000000000000 R14: 00007f5405a21020 R15: 00007f540595fca0
 </TASK>
Modules linked in:
---[ end trace 54b7356e486c9806 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1501 [inline]
RIP: 0010:gfs2_glock_nq+0x10c7/0x15e0 fs/gfs2/glock.c:1525
Code: ef e8 6d ab 3f fe 0f b7 4d 00 48 c7 c7 60 98 cc 8a 4c 89 e6 89 da e8 a8 fc 91 06 31 ff 4c 89 f6 ba 01 00 00 00 e8 29 87 ff ff <0f> 0b e8 a2 e6 f5 fd e8 fd 17 76 fd e9 0f f9 ff ff 48 8d 5a 08 48
RSP: 0018:ffffc900011df918 EFLAGS: 00010246
RAX: 26991ee02edc8e00 RBX: 0000000000000008 RCX: ffff88807be5d940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88807e3e6a5a R08: ffffffff838a1289 R09: fffffbfff1bc8b5e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078cd92c0
R13: dffffc0000000000 R14: ffff888073b6c960 R15: ffff88807e3e6a22
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5405a1e130 CR3: 0000000023416000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (164):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
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
2024/07/09 18:23 linux-5.15.y f45bea23c39c 79d68ada .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/09 14:13 linux-5.15.y f45bea23c39c 79d68ada .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/08 20:38 linux-5.15.y f45bea23c39c cde64f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/08 19:14 linux-5.15.y f45bea23c39c cde64f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/08 12:34 linux-5.15.y f45bea23c39c cde64f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/07 05:35 linux-5.15.y f45bea23c39c 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/05 10:23 linux-5.15.y f45bea23c39c 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/05 06:31 linux-5.15.y 4878aadf2d15 3f2748a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/04 12:42 linux-5.15.y 4878aadf2d15 3f2748a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/07/01 07:42 linux-5.15.y 4878aadf2d15 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/27 12:35 linux-5.15.y 4878aadf2d15 6ef39602 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/26 14:59 linux-5.15.y 4878aadf2d15 c6d33a01 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/25 05:55 linux-5.15.y 4878aadf2d15 215eef4a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/25 04:18 linux-5.15.y 4878aadf2d15 215eef4a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/24 21:07 linux-5.15.y 4878aadf2d15 215eef4a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/24 06:31 linux-5.15.y 4878aadf2d15 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/21 21:43 linux-5.15.y 4878aadf2d15 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/20 17:21 linux-5.15.y 4878aadf2d15 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/19 09:40 linux-5.15.y 4878aadf2d15 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/18 09:48 linux-5.15.y 4878aadf2d15 ce6011bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/18 03:30 linux-5.15.y 4878aadf2d15 ce6011bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/17 23:50 linux-5.15.y 4878aadf2d15 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/06/17 18:32 linux-5.15.y 4878aadf2d15 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in gfs2_glock_nq
2024/09/29 23:50 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/29 15:01 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/21 22:54 linux-5.15.y 3a5928702e71 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/18 18:21 linux-5.15.y 3a5928702e71 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/18 17:42 linux-5.15.y 3a5928702e71 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/18 17:11 linux-5.15.y 3a5928702e71 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/18 17:01 linux-5.15.y 3a5928702e71 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/08 16:24 linux-5.15.y 14e468424d3e 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/02 20:28 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/09/01 13:53 linux-5.15.y fa93fa65db6e 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/08/28 05:52 linux-5.15.y fa93fa65db6e 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/08/26 06:24 linux-5.15.y fa93fa65db6e d7d32352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/08/24 19:05 linux-5.15.y fa93fa65db6e d7d32352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/28 07:47 linux-5.15.y 7e89efd3ae1c 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/10 09:59 linux-5.15.y f45bea23c39c bc144f9a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/10 02:30 linux-5.15.y f45bea23c39c bc144f9a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/09 00:52 linux-5.15.y f45bea23c39c bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/08 15:56 linux-5.15.y f45bea23c39c cde64f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/07 13:42 linux-5.15.y f45bea23c39c 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/05 14:55 linux-5.15.y f45bea23c39c 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/07/04 03:33 linux-5.15.y 4878aadf2d15 f76a75f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/06/28 19:43 linux-5.15.y 4878aadf2d15 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in gfs2_glock_nq
2024/06/18 15:51 linux-5.15.y 4878aadf2d15 639d6cdf .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.