watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [aoe_tx0:2064]
Modules linked in:
irq event stamp: 37708315
hardirqs last  enabled at (37708314): [<ffff80001132e9ac>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (37708314): [<ffff80001132e9ac>] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194
hardirqs last disabled at (37708315): [<ffff8000112537d8>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (1526): [<ffff80000f76a7f8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (1530): [<ffff80000f76a7c4>] 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 10/03/2025
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 : ffff800025777800
x29: ffff800025777810 x28: ffff0000d7d77430 x27: 1fffe0001b13fcc0
x26: ffff0000d89fe600 x25: ffff0000cad48f70 x24: ffff0000c842a0b0
x23: 0000000000000020 x22: dfff800000000000 x21: ffff80000b1ccdc8
x20: ffff80001b224648 x19: 0000000000000000 x18: 0000000000000200
x17: ffff800016e24000 x16: ffff8000082c2cc0 x15: ffff800016904500
x14: 0000000000000003 x13: 1ffff00004aeeeb4 x12: 0000000000ff0100
x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000080
x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000002 x1 : ffff8000113ab3c0 x0 : ffff80018cda0000
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:419 [inline]
 uart_write+0x3cc/0x844 drivers/tty/serial/serial_core.c:574
 handle_tx+0x1f4/0x624 drivers/net/caif/caif_serial.c:236
 caif_xmit+0x10c/0x158 drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:5036 [inline]
 netdev_start_xmit include/linux/netdevice.h:5050 [inline]
 xmit_one net/core/dev.c:3662 [inline]
 dev_hard_start_xmit+0x298/0x864 net/core/dev.c:3678
 __dev_queue_xmit+0x12e8/0x2844 net/core/dev.c:4301
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4334
 tx+0x94/0x1c4 drivers/block/aoe/aoenet.c:63
 kthread+0x160/0x338 drivers/block/aoe/aoecmd.c:1238
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856