watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [aoe_tx0:2415]
Modules linked in:
irq event stamp: 77294651
hardirqs last  enabled at (77294650): [<ffff80008b028df8>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (77294650): [<ffff80008b028df8>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (77294651): [<ffff80008b001cbc>] __el1_irq arch/arm64/kernel/entry-common.c:650 [inline]
hardirqs last disabled at (77294651): [<ffff80008b001cbc>] el1_interrupt+0x24/0x54 arch/arm64/kernel/entry-common.c:668
softirqs last  enabled at (1834): [<ffff800089342c18>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1838): [<ffff800089342be4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 UID: 0 PID: 2415 Comm: aoe_tx0 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 83400005 (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 : ffff8000a14776d0
x29: ffff8000a14776d0 x28: ffff0000e289b570 x27: 0000000000000000
x26: ffff0000e289b500 x25: ffff0000e289b5d8 x24: dfff800000000000
x23: 0000000000000003 x22: 0000000000000000 x21: ffff800091382c40
x20: ffff800097897d40 x19: 0000000000000000 x18: 1fffe0003379be88
x17: ffff800093507000 x16: ffff8000805293e8 x15: 0000000000000001
x14: 1ffff00012f12fa8 x13: 0000000000000000 x12: 0000000000000000
x11: ffff800093306be8 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff800083e11828 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010
x2 : 0000000000000002 x1 : ffff80008edc258c x0 : ffff80010c5d9000
Call trace:
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P)
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] (P)
 _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194 (P)
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 uart_port_unlock_irqrestore include/linux/serial_core.h:788 [inline]
 uart_port_unlock_deref+0x108/0x2ec drivers/tty/serial/serial_core.c:91
 uart_write+0xc4/0x130 drivers/tty/serial/serial_core.c:629
 handle_tx+0x200/0x5fc drivers/net/caif/caif_serial.c:222
 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:268
 __netdev_start_xmit include/linux/netdevice.h:5219 [inline]
 netdev_start_xmit include/linux/netdevice.h:5228 [inline]
 xmit_one net/core/dev.c:3827 [inline]
 dev_hard_start_xmit+0x2b0/0x890 net/core/dev.c:3843
 __dev_queue_xmit+0x1600/0x32a8 net/core/dev.c:4713
 dev_queue_xmit include/linux/netdevice.h:3358 [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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
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 : ffff800097c97d40
x29: ffff800097c97d40 x28: 0000000000000002 x27: dfff800000000000
x26: 1ffff00012f92fb0 x25: 0000000000000000 x24: 0000000000000000
x23: 1fffe00018343b70 x22: ffff80008f7be768 x21: 1ffff00011ef7ced
x20: 0000000000000000 x19: ffff8000804c9b14 x18: 1fffe000337a0688
x17: ffff80008f7be000 x16: ffff8000804c9438 x15: 0000000000000001
x14: 1fffe000337a2340 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000337a2341 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000001243fb x7 : ffff80008065e948 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008b006c94
x2 : 0000000000000000 x1 : ffff80008edc258c x0 : ffff80010c5fd000
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
 secondary_start_kernel+0x1bc/0x1e4 arch/arm64/kernel/smp.c:271
 __secondary_switched+0xc0/0xc4 arch/arm64/kernel/head.S:401