watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [aoe_tx0:2453]
Modules linked in:
irq event stamp: 68588229
hardirqs last  enabled at (68588228): [<ffff80008ae1fbd8>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (68588228): [<ffff80008ae1fbd8>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (68588229): [<ffff80008adfb2bc>] enter_from_kernel_mode+0x14/0x34 arch/arm64/kernel/entry-common.c:42
softirqs last  enabled at (1226): [<ffff8000890c6d34>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1232): [<ffff8000890c6d00>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 1 UID: 0 PID: 2453 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : tty_write_room+0x24/0x8c drivers/tty/tty_ioctl.c:68
lr : tty_write_room+0x24/0x8c drivers/tty/tty_ioctl.c:67
sp : ffff8000a1847780
x29: ffff8000a1847780 x28: ffff0000f21b07f0 x27: 0000000000000000
x26: ffff0000f21b0780 x25: ffff0000f6ec0238 x24: ffff0000f6ec0de8
x23: ffff0000f6ec0df0 x22: 0000000000000020 x21: dfff800000000000
x20: 1fffe0001e4360fe x19: ffff0000c7c6c000 x18: 00000000ffffffff
x17: ffff800093325000 x16: ffff80008052bd88 x15: 0000000000000001
x14: 1fffe0001932a1f0 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001932a1f1 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000cd575c40 x7 : ffff800083b31bc4 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800083b31f74
x2 : 0000000000000001 x1 : 0000000000000020 x0 : ffff0000c7c6c000
Call trace:
 tty_write_room+0x24/0x8c drivers/tty/tty_ioctl.c:67 (P)
 handle_tx+0x128/0x5fc drivers/net/caif/caif_serial.c:212
 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:268
 __netdev_start_xmit include/linux/netdevice.h:5248 [inline]
 netdev_start_xmit include/linux/netdevice.h:5257 [inline]
 xmit_one net/core/dev.c:3845 [inline]
 dev_hard_start_xmit+0x2b0/0x890 net/core/dev.c:3861
 __dev_queue_xmit+0x1600/0x32a8 net/core/dev.c:4763
 dev_queue_xmit include/linux/netdevice.h:3365 [inline]
 tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62
 kthread+0x164/0x354 drivers/block/aoe/aoecmd.c:1241
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:50
lr : default_idle_call+0xd0/0xfc kernel/sched/idle.c:129
sp : ffff80008f517d20
x29: ffff80008f517d20 x28: 0000000000000001 x27: dfff800000000000
x26: 1ffff00011ea2fac x25: 0000000000000000 x24: 0000000000000000
x23: 1ffff00011eb8c30 x22: ffff80008f59e768 x21: 1ffff00011eb3ced
x20: 0000000000000000 x19: ffff8000804cc384 x18: 1fffe000337d6e90
x17: ffff80008f59e000 x16: ffff8000804cbca8 x15: 0000000000000001
x14: 1fffe000337d8b40 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000337d8b41 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000743cb x7 : ffff800080663c90 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008adfde00
x2 : 0000000000000000 x1 : ffff80008eb9b576 x0 : ffff80010c9ca000
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P)
 arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P)
 cpuidle_idle_call kernel/sched/idle.c:190 [inline]
 do_idle+0x1d8/0x454 kernel/sched/idle.c:330
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:428
 rest_init+0x2d8/0x2f4 init/main.c:757
 start_kernel+0x394/0x3e4 init/main.c:1111
 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246