watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [aoe_tx0:2248]
Modules linked in:
irq event stamp: 51112853
hardirqs last  enabled at (51112852): [<ffff80008ae5ce28>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (51112852): [<ffff80008ae5ce28>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (51112853): [<ffff80008ad66a78>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]
hardirqs last disabled at (51112853): [<ffff80008ad66a78>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551
softirqs last  enabled at (1818): [<ffff800088f2321c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1822): [<ffff800088f231e8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 PID: 2248 Comm: aoe_tx0 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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 : ffff80009c607800
x29: ffff80009c607800 x28: ffff0000f74ce7f0 x27: ffff0000f74ce780
x26: ffff0000ef20ecc8 x25: ffff0000edbfc020 x24: 0000000000000001
x23: 0000000000000000 x22: 0000000000000000 x21: dfff800000000000
x20: ffff8000937635e0 x19: 0000000000000000 x18: ffff80009c6074c0
x17: 000000000003a922 x16: ffff80008032116c x15: 0000000000000001
x14: 1ffff000126ec6bc x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff800083c50db8 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff80008aedea60 x0 : ffff800125414000
Call trace:
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:176 [inline]
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:196 [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:667 [inline]
 uart_write_room+0x140/0x2d0 drivers/tty/serial/serial_core.c:629
 tty_write_room+0x6c/0x8c drivers/tty/tty_ioctl.c:69
 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:4980 [inline]
 netdev_start_xmit include/linux/netdevice.h:4994 [inline]
 xmit_one net/core/dev.c:3547 [inline]
 dev_hard_start_xmit+0x240/0x8ac net/core/dev.c:3563
 __dev_queue_xmit+0x15b0/0x329c net/core/dev.c:4351
 dev_queue_xmit include/linux/netdevice.h:3171 [inline]
 tx+0x90/0x138 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 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:51
lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:103
sp : ffff800093a17d30
x29: ffff800093a17d30 x28: dfff800000000000 x27: 1ffff00012742fb4
x26: ffff80008ec9d000 x25: 0000000000000000 x24: 0000000000000002
x23: 1ffff00011d93a74 x22: ffff80008ec9d3a0 x21: 0000000000000000
x20: ffff0000c19dbc00 x19: ffff8000802d0fd8 x18: 1fffe00036804396
x17: ffff80008ec9d000 x16: ffff8000802d089c x15: 0000000000000001
x14: 1fffe00036805f10 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000
x8 : 000000000008ca43 x7 : ffff8000804609e4 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008ad6aac0
x2 : 0000000000000000 x1 : ffff80008aedea60 x0 : ffff800125436000
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:27 [inline]
 arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:49
 cpuidle_idle_call kernel/sched/idle.c:170 [inline]
 do_idle+0x1f0/0x4e8 kernel/sched/idle.c:312
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:410
 secondary_start_kernel+0x198/0x1c0 arch/arm64/kernel/smp.c:272
 __secondary_switched+0xb8/0xbc arch/arm64/kernel/head.S:404