rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2684 jiffies s: 8225 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4479 Comm: udevd Not tainted 6.5.0-rc2-syzkaller-00066-g46670259519f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:get_interval_end_time net/sched/sch_taprio.c:237 [inline]
RIP: 0010:find_entry_to_transmit+0x37e/0x9f0 net/sched/sch_taprio.c:350
Code: b6 14 30 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 2b 05 00 00 49 8d 0c 1c 4c 89 e0 4c 63 c3 4c 29 e8 48 99 49 f7 f8 <8b> 85 68 01 00 00 48 29 d1 48 89 cb 4e 8d 3c 20 48 8b 44 24 28 80
RSP: 0018:ffffc90000007120 EFLAGS: 00000206
RAX: ffffffffc9cbc597 RBX: 0000000080000040 RCX: 1b1a1d2772f16600
RDX: 0000000000000000 RSI: ffffffff88598dbf RDI: ffff888025b9ad38
RBP: ffff888068b9dc00 R08: ffffffff80000040 R09: 0000000080000040
R10: ffff8880162d82e7 R11: 0000000000000002 R12: 1b1a1d26f2f165c0
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888025b9ac00
FS:  00007ff79ba42c80(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f16dc4ffaa2 CR3: 000000002bdf4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 get_packet_txtime net/sched/sch_taprio.c:508 [inline]
 taprio_enqueue_one+0x881/0x1640 net/sched/sch_taprio.c:577
 taprio_enqueue+0x239/0x7e0 net/sched/sch_taprio.c:658
 dev_qdisc_enqueue+0x3f/0x230 net/core/dev.c:3732
 __dev_xmit_skb net/core/dev.c:3821 [inline]
 __dev_queue_xmit+0x2202/0x3f20 net/core/dev.c:4169
 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+0x1083/0x1b20 net/ipv6/ip6_output.c:135
 __ip6_finish_output net/ipv6/ip6_output.c:196 [inline]
 ip6_finish_output+0x485/0x11d0 net/ipv6/ip6_output.c:207
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x243/0x890 net/ipv6/ip6_output.c:228
 dst_output include/net/dst.h:458 [inline]
 NF_HOOK.constprop.0+0xfd/0x540 include/linux/netfilter.h:303
 ndisc_send_skb+0x9e8/0x1430 net/ipv6/ndisc.c:508
 ndisc_send_ns+0xc7/0x140 net/ipv6/ndisc.c:666
 ndisc_solicit+0x2e8/0x500 net/ipv6/ndisc.c:758
 neigh_probe+0xc2/0x110 net/core/neighbour.c:1064
 neigh_timer_handler+0x406/0xf50 net/core/neighbour.c:1146
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x764/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline]
RIP: 0010:__orc_find+0x70/0xf0 arch/x86/kernel/unwind_orc.c:102
Code: ec 72 4e 4c 89 e2 48 29 ea 48 89 d6 48 c1 ea 3f 48 c1 fe 02 48 01 f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a <48> 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 40 84 f6 75 43 48 63 13
RSP: 0018:ffffc9000322f8a8 EFLAGS: 00000a06
RAX: ffffffff8f368868 RBX: ffffffff8ebd9240 RCX: dffffc0000000000
RDX: 1ffffffff1d7b248 RSI: 0000000000000000 RDI: ffffffff8ebd9234
RBP: ffffffff8ebd9234 R08: ffffffff8f3688ce R09: ffffffff8f30f27a
R10: ffffc9000322f958 R11: 0000000000007448 R12: ffffffff8ebd9250
R13: ffffffff81744855 R14: ffffffff8ebd9234 R15: ffffffff8ebd9234
 orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
 unwind_next_frame+0x2b4/0x2020 arch/x86/kernel/unwind_orc.c:494
 arch_stack_walk+0x8b/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:186 [inline]
 slab_post_alloc_hook mm/slab.h:762 [inline]
 slab_alloc_node mm/slub.c:3470 [inline]
 slab_alloc mm/slub.c:3478 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3485 [inline]
 kmem_cache_alloc+0x172/0x3b0 mm/slub.c:3494
 getname_flags.part.0+0x50/0x4d0 fs/namei.c:140
 getname_flags+0x9c/0xf0 include/linux/audit.h:319
 vfs_fstatat+0x77/0xb0 fs/stat.c:275
 __do_sys_newfstatat+0x98/0x110 fs/stat.c:446
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff79bb165f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007ffc2b919a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007ff79bbee460 RCX: 00007ff79bb165f4
RDX: 00007ffc2b919a50 RSI: 00007ff79bbb3130 RDI: 000000000000000c
RBP: 000055a9f316d930 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffc2b919fe8 R15: 000000000000000a
 </TASK>