syzbot


kernel BUG in __gfs2_glock_put

Status: upstream: reported on 2025/07/02 23:28
Reported-by: syzbot+8d0ca86132fa82d878c2@syzkaller.appspotmail.com
First crash: 60d, last: 34d
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in __gfs2_glock_put (2) gfs2 -1 304 6d01h 73d 0/29 upstream: reported on 2025/06/20 06:44
upstream kernel BUG in __gfs2_glock_put gfs2 -1 3 552d 556d 0/29 auto-obsoleted due to no activity on 2024/06/06 08:03
linux-6.6 kernel BUG in __gfs2_glock_put -1 219 2d14h 59d 0/2 upstream: reported on 2025/07/03 23:46

Sample crash report:
gfs2: fsid=_dev_video#.s: G:  s:UN n:2/1244 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:289!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1126 Comm: kworker/0:1H Not tainted 6.1.147-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+0x3d3/0x420 fs/gfs2/glock.c:289
Code: 00 00 e8 30 e0 f5 fd 40 84 ed 75 2c e8 c6 dd f5 fd e9 e3 fd ff ff e8 bc dd f5 fd 31 ff 48 89 de ba 01 00 00 00 e8 0d de ff ff <0f> 0b e8 a6 dd f5 fd 0f 0b e9 2c ff ff ff e8 9a dd f5 fd e8 6d 97
RSP: 0018:ffffc9000539fc08 EFLAGS: 00010246
RAX: 4d6e935b41bb8600 RBX: ffff88807614ea40 RCX: ffff888026a7d940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff52000a73e95
R10: fffff52000a73e95 R11: 1ffff92000a73e94 R12: dffffc0000000000
R13: 1ffff11003e4a815 R14: ffff88801f254000 R15: ffff88807614ed30
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbe82fb0000 CR3: 0000000057c13000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work+0x898/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__gfs2_glock_put+0x3d3/0x420 fs/gfs2/glock.c:289
Code: 00 00 e8 30 e0 f5 fd 40 84 ed 75 2c e8 c6 dd f5 fd e9 e3 fd ff ff e8 bc dd f5 fd 31 ff 48 89 de ba 01 00 00 00 e8 0d de ff ff <0f> 0b e8 a6 dd f5 fd 0f 0b e9 2c ff ff ff e8 9a dd f5 fd e8 6d 97
RSP: 0018:ffffc9000539fc08 EFLAGS: 00010246
RAX: 4d6e935b41bb8600 RBX: ffff88807614ea40 RCX: ffff888026a7d940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff52000a73e95
R10: fffff52000a73e95 R11: 1ffff92000a73e94 R12: dffffc0000000000
R13: 1ffff11003e4a815 R14: ffff88801f254000 R15: ffff88807614ed30
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbe82fb0000 CR3: 0000000057c13000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (108):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/29 05:46 linux-6.1.y 3594f306da12 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/28 14:03 linux-6.1.y 3594f306da12 6654ea9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/24 23:11 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/24 10:59 linux-6.1.y 3594f306da12 65d60d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/24 07:44 linux-6.1.y 3594f306da12 0c1d6ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/23 22:15 linux-6.1.y 3369c6df2fae 0c1d6ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/23 03:58 linux-6.1.y 3369c6df2fae e1dd4f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/22 14:25 linux-6.1.y 3369c6df2fae 8e9d1dc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/22 14:25 linux-6.1.y 3369c6df2fae 8e9d1dc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/22 00:16 linux-6.1.y 3369c6df2fae 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/21 10:37 linux-6.1.y 3369c6df2fae 56d87229 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/18 20:06 linux-6.1.y 3369c6df2fae 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/18 01:37 linux-6.1.y 3369c6df2fae 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/17 12:17 linux-6.1.y f2198ea7eb3e 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/17 12:14 linux-6.1.y f2198ea7eb3e 0d1223f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/16 20:16 linux-6.1.y f2198ea7eb3e 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/16 07:08 linux-6.1.y f2198ea7eb3e 124ec9cc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/15 03:19 linux-6.1.y f2198ea7eb3e 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/14 16:08 linux-6.1.y f2198ea7eb3e d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/14 10:42 linux-6.1.y dfc486ec9cce d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/14 10:41 linux-6.1.y dfc486ec9cce d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/14 10:41 linux-6.1.y dfc486ec9cce d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:48 linux-6.1.y dfc486ec9cce 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:48 linux-6.1.y dfc486ec9cce 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:47 linux-6.1.y dfc486ec9cce 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:47 linux-6.1.y dfc486ec9cce 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 16:47 linux-6.1.y dfc486ec9cce 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 15:49 linux-6.1.y dfc486ec9cce 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 15:47 linux-6.1.y dfc486ec9cce 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 15:45 linux-6.1.y dfc486ec9cce 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 15:45 linux-6.1.y dfc486ec9cce 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 02:25 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/10 02:25 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/09 08:08 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/09 08:08 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/09 08:07 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/09 08:07 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:41 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:41 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:41 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:41 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/08 14:40 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/06 10:27 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
2025/07/02 23:27 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in __gfs2_glock_put
* Struck through repros no longer work on HEAD.