watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [aoe_tx0:2094]
Modules linked in:
irq event stamp: 36488205
hardirqs last  enabled at (36488204): [<ffff8000123f8cf8>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (36488204): [<ffff8000123f8cf8>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (36488205): [<ffff800012312290>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (36488205): [<ffff800012312290>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (4184): [<ffff8000105c6f10>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (4188): [<ffff8000105c6edc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 PID: 2094 Comm: aoe_tx0 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
pc : _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194
lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
lr : _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
sp : ffff800023f67800
x29: ffff800023f67800 x28: ffff0000d8a77430 x27: ffff0000d8a773c0
x26: ffff0000ca346ca8 x25: ffff00012be41018 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000000 x21: dfff800000000000
x20: ffff80001a287088 x19: 0000000000000000 x18: ffff800023f67500
x17: 0000000000000000 x16: ffff800008302b70 x15: 000000000003ca24
x14: 1ffff00002b900b0 x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff80000b6df680 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff80001247b7c0 x0 : ffff80019e6be000
Call trace:
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:182 [inline]
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:202 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
 _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline]
 uart_write_room+0x140/0x2d0 drivers/tty/serial/serial_core.c:615
 tty_write_room+0x6c/0x8c drivers/tty/tty_ioctl.c:80
 handle_tx+0x120/0x5f8 drivers/net/caif/caif_serial.c:226
 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:4884 [inline]
 netdev_start_xmit include/linux/netdevice.h:4898 [inline]
 xmit_one net/core/dev.c:3581 [inline]
 dev_hard_start_xmit+0x240/0x8ac net/core/dev.c:3597
 __dev_queue_xmit+0x1858/0x37dc net/core/dev.c:4247
 dev_queue_xmit include/linux/netdevice.h:3054 [inline]
 tx+0x90/0x134 drivers/block/aoe/aoenet.c:63
 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1229
 kthread+0x24c/0x2d4 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870