watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [aoe_tx0:1387]
Modules linked in:
irq event stamp: 168
hardirqs last  enabled at (167): [<ffff80000c0954c4>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (167): [<ffff80000c0954c4>] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202
hardirqs last disabled at (168): [<ffff80000c08d35c>] __schedule+0x84/0x594 kernel/sched/core.c:6402
softirqs last  enabled at (164): [<ffff80000b263a70>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (158): [<ffff80000b263a3c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 1 PID: 1387 Comm: aoe_tx0 Not tainted 6.1.0-rc2-syzkaller-154433-g247f34f7b803 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __lse_atomic_sub_return arch/arm64/include/asm/atomic_lse.h:97 [inline]
pc : arch_atomic_sub_return arch/arm64/include/asm/atomic.h:53 [inline]
pc : arch_atomic_dec_return include/linux/atomic/atomic-arch-fallback.h:611 [inline]
pc : arch_atomic_dec_and_test include/linux/atomic/atomic-arch-fallback.h:1189 [inline]
pc : atomic_dec_and_test include/linux/atomic/atomic-instrumented.h:576 [inline]
pc : uart_port_deref drivers/tty/serial/serial_core.c:73 [inline]
pc : uart_write_room+0xe4/0x180 drivers/tty/serial/serial_core.c:615
lr : arch_atomic_sub_return arch/arm64/include/asm/atomic.h:53 [inline]
lr : arch_atomic_dec_return include/linux/atomic/atomic-arch-fallback.h:611 [inline]
lr : arch_atomic_dec_and_test include/linux/atomic/atomic-arch-fallback.h:1189 [inline]
lr : atomic_dec_and_test include/linux/atomic/atomic-instrumented.h:576 [inline]
lr : uart_port_deref drivers/tty/serial/serial_core.c:73 [inline]
lr : uart_write_room+0xd8/0x180 drivers/tty/serial/serial_core.c:615
sp : ffff800014c6bbc0
x29: ffff800014c6bbc0 x28: ffff80000d3807c0 x27: ffff80000f173000
x26: ffff80000d708000 x25: 0000000000000000 x24: 0000000000000fff
x23: 0000000000000020 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000c53c0c30 x19: ffff80000f15c958 x18: 0000000000000240
x17: ffff80000c0cd83c x16: 0000000000000200 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000004888 x12: ffff80000d87b920
x11: ff808000098ce450 x10: 0000000000000000 x9 : 00000000ffffffff
x8 : 0000000000000002 x7 : 205b5d3336323536 x6 : ffff8000098ce430
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000c6808000 x1 : 0000000000000000 x0 : 0000000000000001
Call trace:
 __lse_atomic_fetch_add arch/arm64/include/asm/atomic_lse.h:62 [inline]
 __lse_atomic_fetch_sub arch/arm64/include/asm/atomic_lse.h:77 [inline]
 __lse_atomic_sub_return arch/arm64/include/asm/atomic_lse.h:97 [inline]
 arch_atomic_sub_return arch/arm64/include/asm/atomic.h:53 [inline]
 arch_atomic_dec_return include/linux/atomic/atomic-arch-fallback.h:611 [inline]
 arch_atomic_dec_and_test include/linux/atomic/atomic-arch-fallback.h:1189 [inline]
 atomic_dec_and_test include/linux/atomic/atomic-instrumented.h:576 [inline]
 uart_port_deref drivers/tty/serial/serial_core.c:73 [inline]
 uart_write_room+0xe4/0x180 drivers/tty/serial/serial_core.c:615
 tty_write_room+0x30/0x4c drivers/tty/tty_ioctl.c:80
 handle_tx+0x80/0x34c drivers/net/caif/caif_serial.c:226
 caif_xmit+0xa4/0xe0 drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:4840 [inline]
 netdev_start_xmit include/linux/netdevice.h:4854 [inline]
 xmit_one net/core/dev.c:3590 [inline]
 dev_hard_start_xmit+0xd4/0x1ec net/core/dev.c:3606
 __dev_queue_xmit+0x83c/0xdb8 net/core/dev.c:4256
 dev_queue_xmit include/linux/netdevice.h:3008 [inline]
 tx+0x74/0x118 drivers/block/aoe/aoenet.c:63
 kthread+0x90/0x154 drivers/block/aoe/aoecmd.c:1229
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860