watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [swapper/0:0]
Modules linked in:
irq event stamp: 11150505
hardirqs last  enabled at (11150504): [<ffff80008a443ed8>] __el1_irq arch/arm64/kernel/entry-common.c:478 [inline]
hardirqs last  enabled at (11150504): [<ffff80008a443ed8>] el1_interrupt+0x58/0x68 arch/arm64/kernel/entry-common.c:488
hardirqs last disabled at (11150505): [<ffff80008a443ea4>] __el1_irq arch/arm64/kernel/entry-common.c:470 [inline]
hardirqs last disabled at (11150505): [<ffff80008a443ea4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (11144954): [<ffff8000800218ec>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (11144954): [<ffff8000800218ec>] __do_softirq+0xac0/0xd54 kernel/softirq.c:600
softirqs last disabled at (11145069): [<ffff80008002b660>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ktime_compare include/linux/ktime.h:97 [inline]
pc : ktime_after include/linux/ktime.h:113 [inline]
pc : find_entry_to_transmit+0x364/0x6d0 net/sched/sch_taprio.c:350
lr : get_interval_end_time net/sched/sch_taprio.c:237 [inline]
lr : find_entry_to_transmit+0x2f4/0x6d0 net/sched/sch_taprio.c:347
sp : ffff8000800070e0
x29: ffff8000800071a0 x28: 05e93adb0b6291dd x27: ffff0000d7bb2140
x26: ffff0000d7bb2168 x25: 1fffe0001af7642d x24: 0000000000000000
x23: 05e93adb8b629101 x22: 05e93adb8b629140 x21: 05e93adc0b629100
x20: dfff800000000000 x19: 05e93adb8b629140 x18: 1fffe00036842bc6
x17: 0000000000000000 x16: ffff80008050b28c x15: 0000000000000101
x14: 1ffff00011bde0ac x13: ffffffff80000040 x12: 0000000080000040
x11: 0000000000000302 x10: 0000000000000100 x9 : 0000000000000000
x8 : ffff80008df14dc0 x7 : 0000000000000000 x6 : ffff8000800072f0
x5 : ffff800080007310 x4 : 05e93adb0b6291dd x3 : ffff80008898bde8
x2 : 0000000000000000 x1 : 05e93adc0b629100 x0 : 05e93adb8b629140
Call trace:
 find_entry_to_transmit+0x364/0x6d0
 get_packet_txtime net/sched/sch_taprio.c:505 [inline]
 taprio_enqueue_one+0xdb0/0x146c net/sched/sch_taprio.c:574
 taprio_enqueue+0x328/0x544 net/sched/sch_taprio.c:655
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3773
 __dev_xmit_skb net/core/dev.c:3862 [inline]
 __dev_queue_xmit+0xb24/0x3318 net/core/dev.c:4210
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 neigh_hh_output include/net/neighbour.h:528 [inline]
 neigh_output include/net/neighbour.h:542 [inline]
 ip6_finish_output2+0xd2c/0x1a1c net/ipv6/ip6_output.c:134
 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
 ip6_finish_output+0x538/0x8c8 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x270/0x594 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:458 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 ndisc_send_skb+0xc30/0x1790 net/ipv6/ndisc.c:508
 ndisc_send_rs+0x47c/0x5d4 net/ipv6/ndisc.c:718
 addrconf_rs_timer+0x300/0x58c net/ipv6/addrconf.c:3936
 call_timer_fn+0x19c/0x8cc kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x55c/0x734 kernel/time/timer.c:2022
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035
 __do_softirq+0x2d0/0xd54 kernel/softirq.c:571
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:882
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:650
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:662
 __el1_irq arch/arm64/kernel/entry-common.c:474 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:488
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:493
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:33 [inline]
 arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:55
 cpuidle_idle_call kernel/sched/idle.c:170 [inline]
 do_idle+0x1f0/0x4e8 kernel/sched/idle.c:282
 cpu_startup_entry+0x24/0x28 kernel/sched/idle.c:379
 rest_init+0x2dc/0x2f4 init/main.c:735
 start_kernel+0x0/0x55c init/main.c:834
 start_kernel+0x3f0/0x55c init/main.c:1088
 __primary_switched+0xb8/0xc0 arch/arm64/kernel/head.S:523