watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [aoe_tx0:2054] Modules linked in: irq event stamp: 19061021 hardirqs last enabled at (19061020): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (19061020): [] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194 hardirqs last disabled at (19061021): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (2230): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (2234): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 CPU: 1 PID: 2054 Comm: aoe_tx0 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] pc : _raw_spin_unlock_irqrestore+0xb8/0x14c kernel/locking/spinlock.c:194 lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] lr : _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194 sp : ffff800025067800 x29: ffff800025067810 x28: ffff0000c91671b0 x27: 1fffe0001ad600c0 x26: ffff0000d6b00600 x25: ffff0000cad88f70 x24: ffff0000d09ca8b0 x23: 0000000000000020 x22: dfff800000000000 x21: ffff80000b17e7d0 x20: ffff80001b1045a8 x19: 0000000000000000 x18: 0000000000000200 x17: ffff800016d04000 x16: ffff8000082c0bc8 x15: ffff8000167e4500 x14: ffff0000ceb62540 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000080 x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000002 x1 : ffff80001131b080 x0 : ffff80018d023000 Call trace: arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0xb8/0x14c kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] uart_write+0x3d4/0x85c drivers/tty/serial/serial_core.c:574 handle_tx+0x1f4/0x644 drivers/net/caif/caif_serial.c:236 caif_xmit+0x10c/0x160 drivers/net/caif/caif_serial.c:282 __netdev_start_xmit include/linux/netdevice.h:5027 [inline] netdev_start_xmit include/linux/netdevice.h:5041 [inline] xmit_one net/core/dev.c:3649 [inline] dev_hard_start_xmit+0x2a8/0x87c net/core/dev.c:3665 __dev_queue_xmit+0x12d8/0x2800 net/core/dev.c:4288 dev_queue_xmit+0x24/0x34 net/core/dev.c:4321 tx+0x94/0x1cc drivers/block/aoe/aoenet.c:63 kthread+0x160/0x330 drivers/block/aoe/aoecmd.c:1238 kthread+0x374/0x454 kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855