watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [aoe_tx0:2049] Modules linked in: irq event stamp: 33495467 hardirqs last enabled at (33495466): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (33495466): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (33495467): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (33495467): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (13856): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (13860): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 CPU: 1 PID: 2049 Comm: aoe_tx0 Not tainted 6.1.30-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 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+0x58/0xac kernel/locking/spinlock.c:194 lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] lr : _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 sp : ffff800023cf77f0 x29: ffff800023cf77f0 x28: ffff00017e31b2f0 x27: ffff00017e31b280 x26: ffff000129a94ca8 x25: ffff00012916d018 x24: 0000000000000000 x23: 0000000000000000 x22: dfff800000000000 x21: ffff0000cdf30fd8 x20: ffff800019976f70 x19: 0000000000000000 x18: ffff800023cf7500 x17: 0000000000000000 x16: ffff800008305074 x15: 00000000000340e7 x14: 1ffff00002ab60b0 x13: dfff800000000000 x12: 0000000000000003 x11: ff8080000aac44a8 x10: 0000000000000003 x9 : 0000000000000080 x8 : 00000000000000c0 x7 : ffff80000b637270 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff80001224c440 x0 : ffff80019f0cf000 Call trace: arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x58/0xac kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline] uart_write_room+0x158/0x2dc drivers/tty/serial/serial_core.c:615 tty_write_room+0x6c/0x8c drivers/tty/tty_ioctl.c:80 handle_tx+0x120/0x5f8 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:4850 [inline] netdev_start_xmit include/linux/netdevice.h:4864 [inline] xmit_one net/core/dev.c:3595 [inline] dev_hard_start_xmit+0x25c/0x9a4 net/core/dev.c:3611 __dev_queue_xmit+0x186c/0x38d8 net/core/dev.c:4261 dev_queue_xmit include/linux/netdevice.h:3018 [inline] tx+0x90/0x134 drivers/block/aoe/aoenet.c:63 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1229 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860