watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [aoe_tx0:2049]
Modules linked in:
irq event stamp: 21798293
hardirqs last  enabled at (21798292): [<ffff800011a14320>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (21798292): [<ffff800011a14320>] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194
hardirqs last disabled at (21798293): [<ffff80001193f010>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (5096): [<ffff80000fd80398>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (5100): [<ffff80000fd80364>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
CPU: 1 PID: 2049 Comm: aoe_tx0 Not tainted 5.15.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : preempt_count arch/arm64/include/asm/preempt.h:12 [inline]
pc : check_kcov_mode kernel/kcov.c:163 [inline]
pc : __sanitizer_cov_trace_pc+0x20/0xa4 kernel/kcov.c:197
lr : handle_tx+0x19c/0x644 drivers/net/caif/caif_serial.c:236
sp : ffff8000228a78b0
x29: ffff8000228a7910 x28: ffff00014038c930 x27: ffff00014038c8c0
x26: ffff0000d47a4ca8 x25: ffff000124b67018 x24: 0000000000000020
x23: ffff0000d47a4cb0 x22: 0000000000000020 x21: 1fffe00028071926
x20: dfff800000000000 x19: 0000000000000000 x18: ffff8000228a7520
x17: ff8080000fd191fc x16: ffff80000824c758 x15: ffff80000fd191fc
x14: 1ffff0000291a06a x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000c95e98c x10: 0000000000000000 x9 : 0000000000000030
x8 : ffff0000cead9ac0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000b4357bc
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __sanitizer_cov_trace_pc+0x20/0xa4 kernel/kcov.c:193
 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:3592 [inline]
 dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3608
 __dev_queue_xmit+0x13a8/0x2a6c net/core/dev.c:4223
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4256
 tx+0x8c/0x130 drivers/block/aoe/aoenet.c:63
 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1230
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870