watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [aoe_tx0:2254]
Modules linked in:
irq event stamp: 200
hardirqs last  enabled at (199): [<ffff80008ae5521c>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (199): [<ffff80008ae5521c>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (200): [<ffff80008ae3eae8>] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625
softirqs last  enabled at (196): [<ffff800088f1e034>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (186): [<ffff800088f1e000>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 1 PID: 2254 Comm: aoe_tx0 Tainted: G    B              6.8.0-rc4-syzkaller-g905b00721763 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : get_current arch/arm64/include/asm/current.h:19 [inline]
pc : __sanitizer_cov_trace_pc+0x8/0x6c kernel/kcov.c:206
lr : handle_tx+0x1a4/0x604 drivers/net/caif/caif_serial.c:236
sp : ffff80009c707890
x29: ffff80009c7078f0 x28: ffff000114374430 x27: ffff0001143743c0
x26: ffff0001294d6cc8 x25: ffff00011e193020 x24: 0000000000000000
x23: ffff0001294d6cd0 x22: 0000000000000020 x21: 1fffe0002286e886
x20: dfff800000000000 x19: 0000000000000000 x18: 1fffe00036804796
x17: 0000000000b000b0 x16: ffff800080275750 x15: 0000000000000001
x14: 1fffe000192401fc x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000192401fd x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000cd209e00 x7 : 0000000000000000 x6 : ffff800083c4c8cc
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800083c4c930
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __sanitizer_cov_trace_pc+0x8/0x6c kernel/kcov.c:200
 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282
 __netdev_start_xmit include/linux/netdevice.h:4989 [inline]
 netdev_start_xmit include/linux/netdevice.h:5003 [inline]
 xmit_one net/core/dev.c:3547 [inline]
 dev_hard_start_xmit+0x240/0x8ac net/core/dev.c:3563
 __dev_queue_xmit+0x15b0/0x329c net/core/dev.c:4351
 dev_queue_xmit include/linux/netdevice.h:3171 [inline]
 tx+0x90/0x138 drivers/block/aoe/aoenet.c:62
 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1229
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G    B              6.8.0-rc4-syzkaller-g905b00721763 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:51
lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:103
sp : ffff80008ec07cd0
x29: ffff80008ec07cd0 x28: dfff800000000000 x27: 1ffff00011d80fa8
x26: ffff80008ec8d000 x25: 0000000000000000 x24: 0000000000000001
x23: 1ffff00011d91a74 x22: ffff80008ec8d3a0 x21: 1ffff00011d969c8
x20: ffff80008ecb4e40 x19: ffff8000802cf79c x18: 1fffe00036800396
x17: ffff80008ec8d000 x16: ffff8000802cf060 x15: 0000000000000001
x14: 1fffe00036801f10 x13: 0000000000000000 x12: 0000000000000000
x11: ffff600036801f11 x10: 0000000000000003 x9 : 0000000000000007
x8 : 0000000000000000 x7 : 1fffe00036800397 x6 : ffff8000804600d4
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008ad62e24
x2 : 0000000000000000 x1 : ffff80008b4081c0 x0 : ffff80008ad63fd0
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:27 [inline]
 arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:49
 cpuidle_idle_call kernel/sched/idle.c:170 [inline]
 do_idle+0x1f0/0x4e8 kernel/sched/idle.c:312
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:410
 rest_init+0x2dc/0x2f4 init/main.c:730
 start_kernel+0x0/0x4ec init/main.c:827
 start_kernel+0x3ec/0x4ec init/main.c:1072
 __primary_switched+0x84/0x8c arch/arm64/kernel/head.S:243