watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [aoe_tx0:2382]
Modules linked in:
irq event stamp: 46478219
hardirqs last  enabled at (46478218): [<ffff80008b9ad71c>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (46478218): [<ffff80008b9ad71c>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (46478219): [<ffff80008b985974>] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline]
hardirqs last disabled at (46478219): [<ffff80008b985974>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575
softirqs last  enabled at (1178): [<ffff800089a8f730>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1182): [<ffff800089a8f6fc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 UID: 0 PID: 2382 Comm: aoe_tx0 Not tainted 6.15.0-rc2-syzkaller-gc72692105976 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 : ffff8000a18f7690
x29: ffff8000a18f7690 x28: ffff0000d6a3e470 x27: dfff800000000000
x26: 0000000000000000 x25: ffff800091a3f180 x24: ffff0000c9460f48
x23: 0000000000000003 x22: 0000000000000000 x21: ffff800091a3f180
x20: ffff800097eb8a00 x19: 0000000000000000 x18: 0000000000000008
x17: 00000000fffffffa x16: ffff8000804841e8 x15: 0000000000000001
x14: 1ffff00012fd7140 x13: ffff8000a18f8000 x12: ffff8000a18f76a0
x11: ffff8000a18f76c0 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff8000840dc25c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff80008f63dd46 x0 : ffff800123873000
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:786 [inline]
 uart_write+0x4b0/0x9b4 drivers/tty/serial/serial_core.c:628
 handle_tx+0x200/0x604 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:5203 [inline]
 netdev_start_xmit include/linux/netdevice.h:5212 [inline]
 xmit_one net/core/dev.c:3774 [inline]
 dev_hard_start_xmit+0x2c4/0x958 net/core/dev.c:3790
 __dev_queue_xmit+0x1684/0x35b8 net/core/dev.c:4627
 dev_queue_xmit include/linux/netdevice.h:3350 [inline]
 tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62
 kthread+0x1b0/0x398 drivers/block/aoe/aoecmd.c:1237
 kthread+0x674/0x7dc kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.15.0-rc2-syzkaller-gc72692105976 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (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+0xf8/0x128 kernel/sched/idle.c:124
sp : ffff8000982b7d10
x29: ffff8000982b7d10 x28: dfff800000000000 x27: 1ffff00013056fb0
x26: ffff80008ff2e000 x25: 0000000000000000 x24: 0000000000000002
x23: 1ffff00011fe5cc9 x22: ffff80008ff2e648 x21: 0000000000000000
x20: ffff0000c1a0db80 x19: ffff800080420480 x18: 1fffe000366e26b6
x17: ffff80008ff2e000 x16: ffff80008041fd60 x15: 0000000000000001
x14: 1fffe000366e4368 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000366e4369 x10: 0000000000000003 x9 : 0000000000000000
x8 : 0000000000071411 x7 : ffff8000805d193c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008b98a2a4
x2 : 0000000000000000 x1 : ffff80008f63dd46 x0 : ffff800123897000
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:185 [inline]
 do_idle+0x1ec/0x4e0 kernel/sched/idle.c:325
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423
 secondary_start_kernel+0x1bc/0x1e4 arch/arm64/kernel/smp.c:279
 __secondary_switched+0xc0/0xc4 arch/arm64/kernel/head.S:401