watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [aoe_tx0:2050] Modules linked in: irq event stamp: 32380253 hardirqs last enabled at (32380252): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (32380252): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (32380253): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (32380253): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (6242): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6246): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 CPU: 0 PID: 2050 Comm: aoe_tx0 Not tainted 6.1.76-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 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 : ffff800023d477d0 x29: ffff800023d477d0 x28: 1fffe000231068c0 x27: ffff0000cd9b0c30 x26: ffff000118834600 x25: ffff0000cd9b0fd0 x24: ffff0000cc7a10b0 x23: 0000000000000020 x22: 0000000000000002 x21: 0000000000000000 x20: ffff800019c15ed0 x19: 0000000000000000 x18: ffff800023d47500 x17: ffff8000188c8000 x16: ffff800008304a58 x15: ffff8000183adf80 x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000ff0100 x10: 0000000000000003 x9 : 0000000000000080 x8 : 00000000000000c0 x7 : ffff80000b64eb3c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff8000122ac560 x0 : ffff80019ebcc000 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+0x358/0x878 drivers/tty/serial/serial_core.c:582 handle_tx+0x1f4/0x5f8 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:4853 [inline] netdev_start_xmit include/linux/netdevice.h:4867 [inline] xmit_one net/core/dev.c:3627 [inline] dev_hard_start_xmit+0x25c/0x9a4 net/core/dev.c:3643 __dev_queue_xmit+0x186c/0x38d8 net/core/dev.c:4293 dev_queue_xmit include/linux/netdevice.h:3021 [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:864