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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | WARNING in stub_timer (2) kernel prio:high | -1 | 1 | 8d14h | 4d14h | 0/29 | upstream: reported on 2026/06/15 07:39 | |||
| upstream | WARNING in stub_timer kernel prio:normal | -1 | 209 | 109d | 161d | 0/29 | auto-obsoleted due to no activity on 2026/05/28 02:15 |
------------[ cut here ]------------ WARNING: CPU: 0 PID: 4211 at kernel/time/timer.c:652 stub_timer+0x5/0x10 kernel/time/timer.c:651 Modules linked in: CPU: 0 PID: 4211 Comm: kworker/u4:5 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Workqueue: bat_events batadv_nc_worker RIP: 0010:stub_timer+0x5/0x10 kernel/time/timer.c:652 Code: 32 96 e8 6e bd ff ff eb 05 e8 77 a6 10 00 83 fb 05 0f 94 c0 5b 41 5e c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 e8 5b a6 10 00 <0f> 0b c3 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 49 89 RSP: 0018:ffffc90000007c58 EFLAGS: 00010246 RAX: ffffffff81688e35 RBX: 0000000000000101 RCX: ffff88806246d940 RDX: 0000000000000100 RSI: ffffffff8a79fe20 RDI: ffffc90000d47bc0 RBP: ffffc90000007d50 R08: ffffffff8d89f06f R09: 1ffffffff1b13e0d R10: dffffc0000000000 R11: fffffbfff1b13e0e R12: ffffc90000d47bc0 R13: ffffffff81688e30 R14: 1ffff92000000f90 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd56846af00 CR3: 0000000063695000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648 expire_timers kernel/time/timer.c:1699 [inline] __run_timers+0x53e/0x800 kernel/time/timer.c:1970 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983 handle_softirqs+0x339/0x830 kernel/softirq.c:576 do_softirq+0x142/0x210 kernel/softirq.c:477 </IRQ> <TASK> __local_bh_enable_ip+0x180/0x1c0 kernel/softirq.c:401 spin_unlock_bh include/linux/spinlock.h:409 [inline] batadv_nc_purge_paths+0x316/0x3b0 net/batman-adv/network-coding.c:475 batadv_nc_worker+0x2e7/0x5c0 net/batman-adv/network-coding.c:724 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/04/21 11:31 | linux-5.15.y | b9d57c40a767 | 3f2e655b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | WARNING in stub_timer |