watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [aoe_tx0:2054]
Modules linked in:
irq event stamp: 18034469
hardirqs last  enabled at (18034468): [<ffff8000112a9454>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (18034468): [<ffff8000112a9454>] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194
hardirqs last disabled at (18034469): [<ffff8000111cdb18>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (2202): [<ffff80000f7161a4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (2206): [<ffff80000f716170>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
CPU: 1 PID: 2054 Comm: aoe_tx0 Not tainted 5.15.186-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : preempt_count arch/arm64/include/asm/preempt.h:12 [inline]
pc : preempt_latency_stop kernel/sched/core.c:5507 [inline]
pc : preempt_count_sub+0xa4/0x240 kernel/sched/core.c:5527
lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
lr : _raw_spin_unlock_irqrestore+0xc0/0x14c kernel/locking/spinlock.c:194
sp : ffff8000251f77f0
x29: ffff8000251f7800 x28: ffff0000ca427bb0 x27: ffff0000e86e4000
x26: ffff0000ca427b40 x25: ffff0000eda38ca8 x24: 0000000000000000
x23: 0000000000000000 x22: dfff800000000000 x21: ffff80000b18fc18
x20: ffff80001b115828 x19: dfff800000000000 x18: 0000000000000200
x17: ffff800016d15000 x16: ffff8000082c0bc8 x15: ffff8000167f5500
x14: ffff0000ce955bc0 x13: 1ffff0000283006b x12: 0000000000ff0100
x11: 0000000000000202 x10: 0000000000000202 x9 : 0000000000000000
x8 : ffff0000ce9551c8 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000002 x1 : ffff80001132b080 x0 : 0000000000000001
Call trace:
 preempt_count arch/arm64/include/asm/preempt.h:12 [inline]
 preempt_latency_stop kernel/sched/core.c:5507 [inline]
 preempt_count_sub+0xa4/0x240 kernel/sched/core.c:5527
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
 _raw_spin_unlock_irqrestore+0xc0/0x14c kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
 uart_write_room+0x160/0x2f8 drivers/tty/serial/serial_core.c:605
 tty_write_room+0x6c/0x8c drivers/tty/tty_ioctl.c:79
 handle_tx+0x12c/0x644 drivers/net/caif/caif_serial.c:226
 caif_xmit+0x10c/0x160 drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:5027 [inline]
 netdev_start_xmit include/linux/netdevice.h:5041 [inline]
 xmit_one net/core/dev.c:3649 [inline]
 dev_hard_start_xmit+0x2a8/0x87c net/core/dev.c:3665
 __dev_queue_xmit+0x12d8/0x2800 net/core/dev.c:4288
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4321
 tx+0x94/0x1cc drivers/block/aoe/aoenet.c:63
 kthread+0x160/0x330 drivers/block/aoe/aoecmd.c:1238
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855