watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [aoe_tx0:2050] Modules linked in: irq event stamp: 28350781 hardirqs last enabled at (28350780): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (28350780): [] _raw_spin_unlock_irqrestore+0x44/0xa4 kernel/locking/spinlock.c:194 hardirqs last disabled at (28350781): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (28350781): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (7256): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (7260): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 CPU: 0 PID: 2050 Comm: aoe_tx0 Not tainted 6.2.0-syzkaller-18300-g2ebd1fbb946d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_kcov_mode kernel/kcov.c:175 [inline] pc : __sanitizer_cov_trace_pc+0x54/0x8c kernel/kcov.c:207 lr : tty_write_room+0x24/0x8c drivers/tty/tty_ioctl.c:78 sp : ffff800023cd7840 x29: ffff800023cd7850 x28: ffff0000d6da81b0 x27: ffff0000d6da8140 x26: ffff0000d4abaca8 x25: ffff0001340d5018 x24: 0000000000000000 x23: ffff0000d4abacb0 x22: 0000000000000020 x21: dfff800000000000 x20: dfff800000000000 x19: ffff0001340d5000 x18: ffff800023cd74e0 x17: ffff80019e9fe000 x16: ffff80000850a534 x15: 0000000000000000 x14: 1ffff00002b720af x13: dfff800000000000 x12: 0000000000000001 x11: ff8080000b6f5310 x10: 0000000000000000 x9 : ffff80000b6f5310 x8 : ffff0000cded1b40 x7 : ffff80000b762960 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80000b762bb4 x2 : 0000000000000001 x1 : 0000000000000020 x0 : ffff0001340d5000 Call trace: check_kcov_mode kernel/kcov.c:173 [inline] __sanitizer_cov_trace_pc+0x54/0x8c kernel/kcov.c:207 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:4863 [inline] netdev_start_xmit include/linux/netdevice.h:4877 [inline] xmit_one net/core/dev.c:3575 [inline] dev_hard_start_xmit+0x324/0xc94 net/core/dev.c:3591 __dev_queue_xmit+0x16d8/0x3488 net/core/dev.c:4241 dev_queue_xmit include/linux/netdevice.h:3033 [inline] tx+0x90/0x134 drivers/block/aoe/aoenet.c:63 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1229 kthread+0x24c/0x2d4 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870