watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [aoe_tx0:2056] Modules linked in: irq event stamp: 19251133 hardirqs last enabled at (19251132): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (19251132): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (19251133): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (2286): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (2290): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 CPU: 1 PID: 2056 Comm: aoe_tx0 Not tainted 5.15.173-syzkaller #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:161 [inline] pc : _raw_spin_unlock_irqrestore+0xbc/0x158 kernel/locking/spinlock.c:194 lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] lr : _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 sp : ffff800025be7820 x29: ffff800025be7830 x28: ffff0000cdf126b0 x27: ffff0000cdf12640 x26: ffff0000eb70eca8 x25: ffff0000d9942018 x24: 0000000000000000 x23: dfff800000000000 x22: ffff80000b5025a0 x21: ffff80001bb0e780 x20: ffff80001bb0e768 x19: 0000000000000000 x18: ffff800025be7540 x17: 0000000000000000 x16: ffff8000082ec8b8 x15: 0000000000021109 x14: 1ffff0000296c06c x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000080 x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000804605c x2 : 0000000000000002 x1 : ffff800011c9ad00 x0 : ffff80019f6e5000 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+0xbc/0x158 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] uart_write_room+0x168/0x300 drivers/tty/serial/serial_core.c:605 tty_write_room+0x6c/0x8c drivers/tty/tty_ioctl.c:79 handle_tx+0x124/0x644 drivers/net/caif/caif_serial.c:226 caif_xmit+0x10c/0x160 drivers/net/caif/caif_serial.c:282 __netdev_start_xmit include/linux/netdevice.h:5019 [inline] netdev_start_xmit include/linux/netdevice.h:5033 [inline] xmit_one net/core/dev.c:3617 [inline] dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3633 __dev_queue_xmit+0x1378/0x2ac8 net/core/dev.c:4256 dev_queue_xmit+0x24/0x34 net/core/dev.c:4289 tx+0x94/0x1cc drivers/block/aoe/aoenet.c:63 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1238 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870