syzbot


kernel BUG in __gfs2_glock_put

Status: upstream: reported on 2025/07/03 23:46
Reported-by: syzbot+7a0b805bd932cb2b7b02@syzkaller.appspotmail.com
First crash: 15d, last: 12h30m
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 kernel BUG in __gfs2_glock_put -1 69 12h27m 16d 0/3 upstream: reported on 2025/07/02 23:28
upstream kernel BUG in __gfs2_glock_put (2) gfs2 -1 137 1h58m 29d 0/29 upstream: reported on 2025/06/20 06:44
upstream kernel BUG in __gfs2_glock_put gfs2 -1 3 508d 511d 0/29 auto-obsoleted due to no activity on 2024/06/06 08:03

Sample crash report:
gfs2: fsid=syz:syz.0: G:  s:UN n:2/1039 f: t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:302!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1092 Comm: kworker/0:1H Not tainted 6.6.99-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: glock_workqueue glock_work_func
RIP: 0010:__gfs2_glock_put+0x355/0x3b0 fs/gfs2/glock.c:302
Code: 8b 3f 48 89 de e8 db 15 ff ff eb 25 e8 04 7a e6 fd e9 d1 fe ff ff e8 fa 79 e6 fd 31 ff 48 89 de ba 01 00 00 00 e8 bb df ff ff <0f> 0b e8 e4 79 e6 fd 31 f6 65 ff 0d b3 9d 64 7c 40 0f 94 c5 40 0f
RSP: 0018:ffffc9000442fb88 EFLAGS: 00010246
RAX: a56549d6808baa00 RBX: ffff88802d5a8548 RCX: ffff88802351bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc9000442f427 R09: 1ffff92000885e84
R10: dffffc0000000000 R11: fffff52000885e85 R12: dffffc0000000000
R13: 1ffff1100f32b815 R14: ffff88807995c000 R15: ffff88802d5a8838
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c6f5a485f8 CR3: 0000000061051000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__gfs2_glock_put+0x355/0x3b0 fs/gfs2/glock.c:302
Code: 8b 3f 48 89 de e8 db 15 ff ff eb 25 e8 04 7a e6 fd e9 d1 fe ff ff e8 fa 79 e6 fd 31 ff 48 89 de ba 01 00 00 00 e8 bb df ff ff <0f> 0b e8 e4 79 e6 fd 31 f6 65 ff 0d b3 9d 64 7c 40 0f 94 c5 40 0f
RSP: 0018:ffffc9000442fb88 EFLAGS: 00010246
RAX: a56549d6808baa00 RBX: ffff88802d5a8548 RCX: ffff88802351bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc9000442f427 R09: 1ffff92000885e84
R10: dffffc0000000000 R11: fffff52000885e85 R12: dffffc0000000000
R13: 1ffff1100f32b815 R14: ffff88807995c000 R15: ffff88802d5a8838
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c6f5a485f8 CR3: 000000000cb30000 CR4: 00000000003506f0

Crashes (67):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/18 20:02 linux-6.6.y d96eb99e2f0e 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/18 04:22 linux-6.6.y d96eb99e2f0e 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/18 04:21 linux-6.6.y d96eb99e2f0e 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/17 13:34 linux-6.6.y 9247f4e6573a 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/16 20:14 linux-6.6.y 9247f4e6573a 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/16 07:11 linux-6.6.y 9247f4e6573a 124ec9cc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/15 03:30 linux-6.6.y 9247f4e6573a 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/14 16:43 linux-6.6.y 9247f4e6573a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/14 10:45 linux-6.6.y 59a2de10b81a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/14 10:45 linux-6.6.y 59a2de10b81a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/14 10:45 linux-6.6.y 59a2de10b81a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/14 10:42 linux-6.6.y 59a2de10b81a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:58 linux-6.6.y 59a2de10b81a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:58 linux-6.6.y 59a2de10b81a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:57 linux-6.6.y 59a2de10b81a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:04 linux-6.6.y 59a2de10b81a 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:04 linux-6.6.y 59a2de10b81a 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:03 linux-6.6.y 59a2de10b81a 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 02:21 linux-6.6.y a5df3a702b2c 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 02:20 linux-6.6.y a5df3a702b2c 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 02:20 linux-6.6.y a5df3a702b2c 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 02:20 linux-6.6.y a5df3a702b2c 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/10 02:19 linux-6.6.y a5df3a702b2c 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/09 08:08 linux-6.6.y a5df3a702b2c f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/09 08:08 linux-6.6.y a5df3a702b2c f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/09 08:05 linux-6.6.y a5df3a702b2c f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/09 08:05 linux-6.6.y a5df3a702b2c f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:43 linux-6.6.y a5df3a702b2c 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:43 linux-6.6.y a5df3a702b2c 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:43 linux-6.6.y a5df3a702b2c 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:42 linux-6.6.y a5df3a702b2c 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:42 linux-6.6.y a5df3a702b2c 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/06 10:40 linux-6.6.y a5df3a702b2c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/06 10:40 linux-6.6.y a5df3a702b2c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/06 10:39 linux-6.6.y a5df3a702b2c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/06 10:39 linux-6.6.y a5df3a702b2c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/06 10:39 linux-6.6.y a5df3a702b2c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/05 06:51 linux-6.6.y 3f5b4c104b7d 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/05 06:50 linux-6.6.y 3f5b4c104b7d 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/05 06:47 linux-6.6.y 3f5b4c104b7d 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/05 06:47 linux-6.6.y 3f5b4c104b7d 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/04 14:41 linux-6.6.y 3f5b4c104b7d d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/04 14:36 linux-6.6.y 3f5b4c104b7d d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/04 14:35 linux-6.6.y 3f5b4c104b7d d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/03 23:46 linux-6.6.y 3f5b4c104b7d 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/03 23:46 linux-6.6.y 3f5b4c104b7d 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/03 23:45 linux-6.6.y 3f5b4c104b7d 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
2025/07/03 23:45 linux-6.6.y 3f5b4c104b7d 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan kernel BUG in __gfs2_glock_put
* Struck through repros no longer work on HEAD.