watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [aoe_tx0:1377]
Modules linked in:
irq event stamp: 36178167
hardirqs last  enabled at (36178166): [<ffff80000c0114c4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (36178166): [<ffff80000c0114c4>] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194
hardirqs last disabled at (36178167): [<ffff80000bffea98>] __el1_irq arch/arm64/kernel/entry-common.c:455 [inline]
hardirqs last disabled at (36178167): [<ffff80000bffea98>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:473
softirqs last  enabled at (13608): [<ffff80000b234110>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (13612): [<ffff80000b2340dc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 PID: 1377 Comm: aoe_tx0 Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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+0x58/0x8c kernel/locking/spinlock.c:194
lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
lr : _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194
sp : ffff8000146cbba0
x29: ffff8000146cbba0 x28: ffff80000d380688 x27: ffff80000f143000
x26: ffff80000d700000 x25: 0000000000000000 x24: 0000000000000fff
x23: 0000000000000020 x22: 0000000000000000 x21: 0000000000000000
x20: ffff80000f12d958 x19: 0000000000000000 x18: 00000000000000c0
x17: ffff80000dd7a698 x16: ffff80000dbb8658 x15: ffff0000c5f63500
x14: 0000000000000028 x13: 00000000ffffffff x12: ffff0000c5f63500
x11: ff808000095ee038 x10: 0000000000000000 x9 : 0000000000000080
x8 : 00000000000000c0 x7 : ffff80000990ffc4 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff80000ce9d41d x0 : ffff8001f1cf1000
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
 _raw_spin_unlock_irqrestore+0x58/0x8c kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline]
 uart_write_room+0xb4/0x154 drivers/tty/serial/serial_core.c:620
 tty_write_room+0x30/0x4c drivers/tty/tty_ioctl.c:79
 handle_tx+0x80/0x3e8 drivers/net/caif/caif_serial.c:226
 caif_xmit+0xa4/0xcc drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:4805 [inline]
 netdev_start_xmit include/linux/netdevice.h:4819 [inline]
 xmit_one net/core/dev.c:3590 [inline]
 dev_hard_start_xmit+0xd4/0x1ec net/core/dev.c:3606
 __dev_queue_xmit+0x78c/0xc88 net/core/dev.c:4256
 dev_queue_xmit include/linux/netdevice.h:2994 [inline]
 tx+0x74/0x118 drivers/block/aoe/aoenet.c:63
 kthread+0x90/0x154 kernel/kthread.c:357
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20