rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3389 jiffies s: 9809 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: 5086 Comm: kworker/1:3 Not tainted 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: events_power_efficient gc_worker
RIP: 0010:match_held_lock+0x1/0xc0 kernel/locking/lockdep.c:5200
Code: c7 c7 00 b1 2c 8b e8 ee b5 68 f6 90 0f 0b 90 90 e9 62 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 53 <48> 39 77 10 48 89 fb 74 55 66 83 7f 22 1f 76 65 48 8b 46 08 48 89
RSP: 0018:ffffc90000a18ba8 EFLAGS: 00000093
RAX: 000000000000000a RBX: ffff888067b56530 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff88802e776300 RDI: ffff888067b56530
RBP: ffff88802e776300 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: ffff888067b55a00
R13: ffff888067b564e0 R14: 00000000ffffffff R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f68af4d2f55 CR3: 000000000d97a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __lock_is_held kernel/locking/lockdep.c:5495 [inline]
 lock_is_held_type+0xb0/0x150 kernel/locking/lockdep.c:5825
 lock_is_held include/linux/lockdep.h:231 [inline]
 advance_sched+0x707/0xc60 net/sched/sch_taprio.c:929
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:handle_softirqs+0x1da/0x8f0 kernel/softirq.c:540
Code: 89 44 24 18 48 89 6c 24 10 48 c7 c7 80 4f 2b 8b e8 5b 75 95 09 65 66 c7 05 39 ed b1 7e 00 00 e8 5c 3f 43 00 fb bb ff ff ff ff <49> c7 c6 c0 a0 80 8d 41 0f bc dc 83 c3 01 0f 85 a7 00 00 00 e9 b4
RSP: 0018:ffffc90000a18f30 EFLAGS: 00000206
RAX: 000000000021da6a RBX: 00000000ffffffff RCX: 1ffffffff2853ffe
RDX: 0000000000000000 RSI: ffffffff8b2caf00 RDI: ffffffff8b8ff600
RBP: ffff888067b55a00 R08: 0000000000000001 R09: fffffbfff284ce6a
R10: ffffffff94267357 R11: 0000000000000003 R12: 0000000000000386
R13: 000000000000000a R14: 0000000000000001 R15: 0000000000000000
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data+0x11/0x90 kernel/kcov.c:236
Code: cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 49 89 f8 49 89 f1 65 48 8b 15 9f fb 75 7e <65> 8b 05 a0 fb 75 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 1c
RSP: 0018:ffffc900031cfbc0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8909697b
RDX: ffff888067b55a00 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88802a800000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 00000000000114ea
R13: dffffc0000000000 R14: 00000000000229d3 R15: 0000000000040000
 rcu_read_lock include/linux/rcupdate.h:782 [inline]
 gc_worker+0xedb/0x1770 net/netfilter/nf_conntrack_core.c:1486
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
 process_scheduled_works kernel/workqueue.c:3329 [inline]
 worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>