watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [aoe_tx0:2064]
Modules linked in:
irq event stamp: 43576623
hardirqs last  enabled at (43576622): [<ffff8000112a5eb0>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (43576622): [<ffff8000112a5eb0>] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194
hardirqs last disabled at (43576623): [<ffff8000111ca5d8>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (2432): [<ffff80000f7128fc>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (2436): [<ffff80000f7128c8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
CPU: 0 PID: 2064 Comm: aoe_tx0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
pc : _raw_spin_unlock_irqrestore+0xb8/0x14c kernel/locking/spinlock.c:194
lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
lr : _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194
sp : ffff800025617820
x29: ffff800025617830 x28: ffff0000d33d2070 x27: ffff0000d6d4a000
x26: ffff0000d33d2000 x25: ffff0000ec004ca8 x24: 0000000000000000
x23: 0000000000000000 x22: dfff800000000000 x21: ffff80000b184a50
x20: ffff80001b116628 x19: 0000000000000000 x18: 0000000000000200
x17: ffff800016d16000 x16: ffff8000082c0c08 x15: ffff8000167f6500
x14: ffff0000ce53c080 x13: 1ffff0000283006b x12: 0000000000ff0100
x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000080
x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000002 x1 : ffff80001132b060 x0 : ffff80018cfe0000
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irqrestore+0xb8/0x14c 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:856