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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| linux-5.15 | WARNING: locking bug in gfs2_quotad (2) | 4 | 1 | 26d | 26d | 0/3 | upstream: reported on 2026/04/18 05:34 | |||
| linux-6.1 | WARNING: locking bug in gfs2_quotad | 4 | 4 | 20d | 104d | 0/3 | upstream: reported on 2026/01/30 04:46 |
------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 4668 at kernel/locking/lockdep.c:201 hlock_class kernel/locking/lockdep.c:-1 [inline] WARNING: CPU: 1 PID: 4668 at kernel/locking/lockdep.c:201 check_wait_context kernel/locking/lockdep.c:4686 [inline] WARNING: CPU: 1 PID: 4668 at kernel/locking/lockdep.c:201 __lock_acquire+0x7cd/0x7c60 kernel/locking/lockdep.c:4962 Modules linked in: CPU: 1 PID: 4668 Comm: gfs2_quotad Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:hlock_class kernel/locking/lockdep.c:201 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4686 [inline] RIP: 0010:__lock_acquire+0x7cd/0x7c60 kernel/locking/lockdep.c:4962 Code: 83 3d 7e 62 0d 0c 00 0f 85 c7 fd ff ff 48 c7 c7 80 1a 0b 8a 48 c7 c6 20 1d 0b 8a e8 0d 21 3b 08 48 ba 00 00 00 00 00 fc ff df <0f> 0b e9 a3 fd ff ff e8 47 ad 7b 02 85 c0 0f 84 5c 0a 00 00 48 c7 RSP: 0018:ffffc9000437f900 EFLAGS: 00010046 RAX: 163094e0fd219b00 RBX: 0000000000001309 RCX: ffff88807f0e8000 RDX: dffffc0000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: ffffc9000437fb50 R08: dffffc0000000000 R09: fffff5200086fe85 R10: fffff5200086fe85 R11: 1ffff9200086fe84 R12: ffff88807f0e8b10 R13: ffff88807f0e8000 R14: 0000000000000000 R15: ffff88807f0e8af0 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000002c8 CR3: 0000000060c9c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162 finish_wait+0xb5/0x1d0 kernel/sched/wait.c:407 gfs2_quotad+0x703/0x880 fs/gfs2/quota.c:1605 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 </TASK>
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/12/22 14:06 | linux-5.15.y | 68efe5a6c16a | d6526ea3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | WARNING: locking bug in gfs2_quotad |