watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [aoe_tx0:2049]
Modules linked in:
irq event stamp: 18196707
hardirqs last  enabled at (18196706): [<ffff800011a46af8>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (18196706): [<ffff800011a46af8>] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194
hardirqs last disabled at (18196707): [<ffff80001196f560>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (5314): [<ffff80000fda73dc>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (5320): [<ffff80000fda73a8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
CPU: 0 PID: 2049 Comm: aoe_tx0 Not tainted 5.15.137-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
pstate: 80400005 (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+0xbc/0x158 kernel/locking/spinlock.c:194
lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
lr : _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194
sp : ffff8000223e7800
x29: ffff8000223e7810 x28: ffff0000d6d64a70 x27: ffff0000d6d64a00
x26: ffff00011e7daca8 x25: ffff0000d3d9e018 x24: 0000000000000000
x23: dfff800000000000 x22: ffff80000b4499d0 x21: ffff80001874fc20
x20: ffff80001874fc08 x19: 0000000000000000 x18: ffff8000223e7520
x17: ff8080000fda0ae0 x16: ffff8000082eb4c0 x15: 000000000002eec0
x14: 1ffff0000292406a x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000a9ad924 x10: 0000000000000003 x9 : 0000000000000080
x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008045860
x2 : 0000000000000002 x1 : ffff800011acab40 x0 : ffff80019ff83000
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+0xbc/0x158 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
 uart_write_room+0x168/0x300 drivers/tty/serial/serial_core.c:603
 tty_write_room+0x6c/0x8c drivers/tty/tty_ioctl.c:79
 handle_tx+0x124/0x644 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:5019 [inline]
 netdev_start_xmit include/linux/netdevice.h:5033 [inline]
 xmit_one net/core/dev.c:3614 [inline]
 dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3630
 __dev_queue_xmit+0x13a8/0x2a6c net/core/dev.c:4245
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4278
 tx+0x8c/0x130 drivers/block/aoe/aoenet.c:63
 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1230
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870