watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [aoe_tx0:2169]
Modules linked in:
irq event stamp: 45291937
hardirqs last  enabled at (45291936): [<ffff80008a7140e8>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (45291936): [<ffff80008a7140e8>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (45291937): [<ffff80008a625484>] __el1_irq arch/arm64/kernel/entry-common.c:499 [inline]
hardirqs last disabled at (45291937): [<ffff80008a625484>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:517
softirqs last  enabled at (11212): [<ffff80008884b504>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (11216): [<ffff80008884b4d0>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 PID: 2169 Comm: aoe_tx0 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
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 : ffff80009c107800
x29: ffff80009c107800 x28: ffff0000cb9ab7f0 x27: ffff0000cb9ab780
x26: ffff000126460ce8 x25: ffff0000cb836020 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000000 x21: dfff800000000000
x20: ffff80009290d9a0 x19: 0000000000000000 x18: ffff80009c1074e0
x17: 0000000000b000b0 x16: ffff80008031eebc x15: 0000000000000001
x14: 1ffff00012521b34 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff8000837d8870 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff80008a78dae0 x0 : ffff8001260c9000
Call trace:
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:182 [inline]
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:202 [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_write_room+0x140/0x2d0 drivers/tty/serial/serial_core.c:632
 tty_write_room+0x6c/0x8c drivers/tty/tty_ioctl.c:73
 handle_tx+0x120/0x604 drivers/net/caif/caif_serial.c:226
 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:4889 [inline]
 netdev_start_xmit include/linux/netdevice.h:4903 [inline]
 xmit_one net/core/dev.c:3544 [inline]
 dev_hard_start_xmit+0x240/0x8ac net/core/dev.c:3560
 __dev_queue_xmit+0x1650/0x32c0 net/core/dev.c:4340
 dev_queue_xmit include/linux/netdevice.h:3082 [inline]
 tx+0x90/0x134 drivers/block/aoe/aoenet.c:63
 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:857
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:57
lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:103
sp : ffff800092bb7d30
x29: ffff800092bb7d30 x28: dfff800000000000 x27: 1ffff00012576fb4
x26: ffff80008e19d000 x25: 0000000000000000 x24: 0000000000000002
x23: 1ffff00011c33a73 x22: ffff80008e19d398 x21: 0000000000000000
x20: ffff0000c19bb780 x19: ffff8000802ce724 x18: 1fffe0003683bdce
x17: ffff80008e19d000 x16: ffff8000802cdfe8 x15: 0000000000000001
x14: 1fffe0003683d940 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000003ee469 x7 : ffff80008045c8e4 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008a629460
x2 : 0000000000000000 x1 : ffff80008a78dae0 x0 : ffff8001260eb000
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:33 [inline]
 arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:55
 cpuidle_idle_call kernel/sched/idle.c:170 [inline]
 do_idle+0x1f0/0x4e8 kernel/sched/idle.c:282
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:380
 secondary_start_kernel+0x198/0x1c0 arch/arm64/kernel/smp.c:272
 __secondary_switched+0xb8/0xbc arch/arm64/kernel/head.S:681