rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2731 jiffies s: 203593 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 21179 Comm: kworker/1:15 Not tainted 6.4.0-rc6-syzkaller-01311-gb650d953cd39 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: events_power_efficient gc_worker
RIP: 0010:arch_test_and_set_bit arch/x86/include/asm/bitops.h:138 [inline]
RIP: 0010:test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:72 [inline]
RIP: 0010:__netif_schedule+0x29/0x60 net/core/dev.c:3099
Code: 90 f3 0f 1e fa 55 48 89 fd 53 e8 62 60 76 f9 48 8d bd 58 01 00 00 be 08 00 00 00 e8 81 64 c9 f9 f0 48 0f ba ad 58 01 00 00 00 <0f> 92 c3 31 ff 89 de e8 1b 5c 76 f9 84 db 74 07 5b 5d e9 30 60 76
RSP: 0018:ffffc900001e0d78 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff880de68f
RDX: ffffed101077702c RSI: 0000000000000008 RDI: ffff888083bb8158
RBP: ffff888083bb8000 R08: 0000000000000001 R09: ffff888083bb815f
R10: ffffed101077702b R11: 0000000000094001 R12: ffff8880888304c0
R13: 0000000000000000 R14: ffff888088830110 R15: ffff888088830400
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f81ed1831b8 CR3: 000000002a21c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0x70c/0xd20 net/sched/sch_taprio.c:997
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x5fa/0xbe0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 36 3a 8f 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 8b 05 dd 74 7f 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc90005b7fc18 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000
RDX: ffff88807e22bb80 RSI: ffffffff88513be4 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000094001 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000040000 R15: 0000000000000000
 __seqprop_spinlock_sequence include/linux/seqlock.h:275 [inline]
 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:343 [inline]
 gc_worker+0x2fa/0x1790 net/netfilter/nf_conntrack_core.c:1496
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>