syzbot

watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [aoe_tx0:2059]
Modules linked in:
irq event stamp: 27499209
hardirqs last  enabled at (27499208): [<ffff800012369f6c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (27499208): [<ffff800012369f6c>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (27499209): [<ffff800012284504>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (27499209): [<ffff800012284504>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (2672): [<ffff8000105620cc>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (2676): [<ffff800010562098>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 PID: 2059 Comm: aoe_tx0 Not tainted 6.1.107-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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+0x58/0xac kernel/locking/spinlock.c:194
lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
lr : _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
sp : ffff8000271877d0
x29: ffff8000271877d0 x28: 1fffe0001b5ce6c0 x27: ffff0000cad10c30
x26: ffff0000dae73600 x25: ffff0000cad10fd0 x24: ffff0000c4d9d8b0
x23: 0000000000000020 x22: 0000000000000002 x21: 0000000000000000
x20: ffff80001cf01030 x19: 0000000000000000 x18: ffff800027187500
x17: ffff800018a93000 x16: ffff80000830591c x15: ffff800018578f80
x14: 1ffff00002b380b0 x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000ff0100 x10: 0000000000000003 x9 : 0000000000000080
x8 : 00000000000000c0 x7 : ffff80000b66cf30 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff8000123dc680 x0 : ffff80019e3e7000
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+0x58/0xac kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 uart_write+0x358/0x878 drivers/tty/serial/serial_core.c:582
 handle_tx+0x1f4/0x5f8 drivers/net/caif/caif_serial.c:236
 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:4853 [inline]
 netdev_start_xmit include/linux/netdevice.h:4867 [inline]
 xmit_one net/core/dev.c:3627 [inline]
 dev_hard_start_xmit+0x25c/0x9a4 net/core/dev.c:3643
 __dev_queue_xmit+0x186c/0x38d8 net/core/dev.c:4293
 dev_queue_xmit include/linux/netdevice.h:3021 [inline]
 tx+0x9c/0x1c8 drivers/block/aoe/aoenet.c:63
 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1229
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864