watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [aoe_tx0:2282]
Modules linked in:
irq event stamp: 47341825
hardirqs last  enabled at (47341824): [<ffff80008af651e4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (47341824): [<ffff80008af651e4>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (47341825): [<ffff80008ae6daf8>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]
hardirqs last disabled at (47341825): [<ffff80008ae6daf8>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551
softirqs last  enabled at (1046): [<ffff80008902fc3c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1050): [<ffff80008902fc08>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 PID: 2282 Comm: aoe_tx0 Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80401005 (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 : ffff80009cfb77e0
x29: ffff80009cfb77e0 x28: ffff0000cc36abb0 x27: ffff0000cc36ab40
x26: ffff0000c9190c30 x25: ffff0000efbf8020 x24: dfff800000000000
x23: ffff0000c9190fd0 x22: 0000000000000000 x21: ffff0000d4af7cb0
x20: ffff8000939e92c0 x19: 0000000000000000 x18: ffff80009cfb74c0
x17: 00000000000308cd x16: ffff800080333fec x15: 0000000000000001
x14: 1ffff0001273d258 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff800083c6135c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff80008afdfb40 x0 : ffff800124ff9000
Call trace:
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline]
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
 _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 uart_port_unlock_irqrestore include/linux/serial_core.h:670 [inline]
 uart_write+0x33c/0x594 drivers/tty/serial/serial_core.c:598
 handle_tx+0x200/0x604 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:4903 [inline]
 netdev_start_xmit include/linux/netdevice.h:4917 [inline]
 xmit_one net/core/dev.c:3531 [inline]
 dev_hard_start_xmit+0x27c/0x938 net/core/dev.c:3547
 __dev_queue_xmit+0x15c8/0x32c8 net/core/dev.c:4335
 dev_queue_xmit include/linux/netdevice.h:3091 [inline]
 tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62
 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1229
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80401005 (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 : ffff800093cb7d10
x29: ffff800093cb7d10 x28: dfff800000000000 x27: 1ffff00012796fb0
x26: ffff80008ee7d000 x25: 0000000000000000 x24: 0000000000000002
x23: 1ffff00011dcfaad x22: ffff80008ee7d568 x21: 0000000000000000
x20: ffff0000c19e5ac0 x19: ffff8000802e26f8 x18: 1fffe000367bdd96
x17: ffff80008ee7d000 x16: ffff8000802e1fbc x15: 0000000000000001
x14: 1fffe000367bfaf8 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000
x8 : 000000000005679b x7 : ffff8000804793bc x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008ae71fe0
x2 : 0000000000000000 x1 : ffff80008afdfb40 x0 : ffff80012501d000
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline]
 arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48
 cpuidle_idle_call kernel/sched/idle.c:191 [inline]
 do_idle+0x1f0/0x4e4 kernel/sched/idle.c:332
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:430
 secondary_start_kernel+0x1bc/0x1e4 arch/arm64/kernel/smp.c:272
 __secondary_switched+0xb8/0xbc arch/arm64/kernel/head.S:414