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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: rcu detected stall in batadv_dat_purge (2) kernel | 1 | 488d | 488d | 0/26 | auto-obsoleted due to no activity on 2023/04/12 18:40 | |||
| upstream | INFO: rcu detected stall in batadv_dat_purge batman | 1 | 938d | 938d | 0/26 | auto-closed as invalid on 2022/01/10 03:55 |
watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [kworker/u4:2:148] Modules linked in: irq event stamp: 7053485 hardirqs last enabled at (7053483): [<ffff8000081b4dac>] __local_bh_enable_ip+0x258/0x4d0 kernel/softirq.c:388 hardirqs last disabled at (7053485): [<ffff80001194f688>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (7053482): [<ffff80001174ffe4>] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (7053482): [<ffff80001174ffe4>] __batadv_dat_purge+0x2d4/0x374 net/batman-adv/distributed-arp-table.c:187 softirqs last disabled at (7053484): [<ffff80001174fe08>] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (7053484): [<ffff80001174fe08>] __batadv_dat_purge+0xf8/0x374 net/batman-adv/distributed-arp-table.c:175 CPU: 0 PID: 148 Comm: kworker/u4:2 Not tainted 5.15.113-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Workqueue: bat_events batadv_dat_purge pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : lock_acquire+0x280/0x77c lr : lockdep_recursion_finish kernel/locking/lockdep.c:436 [inline] lr : lock_acquire+0x24c/0x77c kernel/locking/lockdep.c:5624 sp : ffff80001a3c7920 x29: ffff80001a3c7a10 x28: ffff700003478f2c x27: 0000000000000000 x26: ffff0001b47fbd00 x25: ffff0001257be1d8 x24: 0000000000000000 x23: 0000000100000201 x22: ffff0000c5429b40 x21: ffff800014830d00 x20: dfff800000000000 x19: ffff0001b47fbd00 x18: 0000000000000000 x17: ff8080000fd27aa0 x16: ffff80001195113c x15: ffff80000fd27aa0 x14: 1ffff0000291c06a x13: ffffffffffffffff x12: 0000000000000000 x11: ff8080000a9a3a24 x10: 0000000000000003 x9 : 0000000000000080 x8 : 00000000000000c0 x7 : ffff80001174fe08 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000008 x1 : ffff800011aabf00 x0 : 0000000000000000 Call trace: arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] lock_acquire+0x280/0x77c kernel/locking/lockdep.c:5625 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x124/0x1c4 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:368 [inline] __batadv_dat_purge+0xf8/0x374 net/batman-adv/distributed-arp-table.c:175 batadv_dat_purge+0x34/0x154 net/batman-adv/distributed-arp-table.c:206 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023/05/29 15:34 | linux-5.15.y | 1fe619a7d252 | cf184559 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in batadv_dat_purge |