watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [aoe_tx0:2346]
Modules linked in:
irq event stamp: 44393291
hardirqs last  enabled at (44393290): [<ffff80008b59c9e4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (44393290): [<ffff80008b59c9e4>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (44393291): [<ffff80008b4a85e8>] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline]
hardirqs last disabled at (44393291): [<ffff80008b4a85e8>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575
softirqs last  enabled at (9182): [<ffff80008020396c>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (9182): [<ffff80008020396c>] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582
softirqs last disabled at (9186): [<ffff80008961f918>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 UID: 0 PID: 2346 Comm: aoe_tx0 Not tainted 6.12.0-rc6-syzkaller-geb17c12d043d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 : ffff8000a1867730
x29: ffff8000a1867730 x28: ffff0000ec9a95b0 x27: dfff800000000000
x26: 0000000000000000 x25: ffff8000911c3460 x24: ffff0000ca4c8f48
x23: 0000000000000003 x22: 0000000000000000 x21: ffff8000911c3460
x20: ffff80009769c420 x19: 0000000000000000 x18: ffff8000a18673e0
x17: 0000000000038371 x16: ffff8000803558b8 x15: 0000000000000001
x14: 1ffff00012ed3884 x13: ffff8000a1868000 x12: 0000000000000003
x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff800083e2ab24 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff80008b624000 x0 : ffff800123ed7000
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)
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] (L)
 _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 (L)
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 uart_port_unlock_irqrestore include/linux/serial_core.h:782 [inline]
 uart_write+0x4b0/0x9b4 drivers/tty/serial/serial_core.c:628
 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:4928 [inline]
 netdev_start_xmit include/linux/netdevice.h:4937 [inline]
 xmit_one net/core/dev.c:3588 [inline]
 dev_hard_start_xmit+0x260/0x904 net/core/dev.c:3604
 __dev_queue_xmit+0x1638/0x3548 net/core/dev.c:4432
 dev_queue_xmit include/linux/netdevice.h:3094 [inline]
 tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62
 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1237
 kthread+0x288/0x310 kernel/kthread.c:389
 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 6.12.0-rc6-syzkaller-geb17c12d043d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 : ffff800097977d10
x29: ffff800097977d10 x28: dfff800000000000 x27: 1ffff00012f2efb0
x26: ffff80008f80d000 x25: 0000000000000000 x24: 0000000000000002
x23: 1ffff00011f01ab8 x22: ffff80008f80d5c0 x21: 0000000000000000
x20: ffff0000c1b80000 x19: ffff8000802fd97c x18: 1fffe000366cb476
x17: ffff80008f80d000 x16: ffff8000802fd240 x15: 0000000000000001
x14: 1fffe000366cd1d0 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000
x8 : 000000000014fa07 x7 : ffff8000804aaeb0 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008b4acf1c
x2 : 0000000000000000 x1 : ffff80008b624000 x0 : ffff800123efb000
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)
 default_idle_call+0xf8/0x128 kernel/sched/idle.c:124 (L)
 cpuidle_idle_call kernel/sched/idle.c:185 [inline]
 do_idle+0x1f0/0x4e4 kernel/sched/idle.c:326
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:424
 secondary_start_kernel+0x1bc/0x1e4 arch/arm64/kernel/smp.c:279
 __secondary_switched+0xc0/0xc4 arch/arm64/kernel/head.S:417