rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2685 jiffies s: 16249 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: 7605 Comm: syz.2.719 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:208
Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d a0 9b a0 0d 48 89 de 5b e9 a7 91 50 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d b4 28 80 7e 65 8b 15 b5 28 80 7e 81 e2 00
RSP: 0018:ffffc90000007698 EFLAGS: 00000002
RAX: ffffffff81a59cb1 RBX: 1ffff92000000ed8 RCX: 0000000000000100
RDX: ffff88807a2f3c00 RSI: 0000000000000102 RDI: 0000000000000000
RBP: ffffc90000007770 R08: ffff88807a2f3c07 R09: 1ffff1100f45e780
R10: dffffc0000000000 R11: ffffed100f45e781 R12: 0000000000000102
R13: 0000000000000000 R14: ffff8880b8c35518 R15: ffff888079692a00
FS:  00007fd1a58f86c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd1a49ecc40 CR3: 000000007632e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000b6e DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_swevent_event+0xff/0x570 kernel/events/core.c:9619
 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10074
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10042
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 68 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007c40 EFLAGS: 00000206
RAX: 24410b3c2f808b00 RBX: 1ffff92000000f90 RCX: 24410b3c2f808b00
RDX: dffffc0000000000 RSI: ffffffff8aac19a0 RDI: ffffffff8aff71e0
RBP: ffffc90000007d30 R08: ffffffff91b7026f R09: 1ffffffff236e04d
R10: dffffc0000000000 R11: fffffbfff236e04e R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8c3bb00 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 rebalance_domains+0x86f/0x9d0 kernel/sched/fair.c:11061
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:finish_task_switch+0x267/0x8e0 kernel/sched/core.c:5125
Code: e1 08 85 c0 0f 84 38 01 00 00 48 85 db 0f 85 57 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 63 89 eb 08 e8 be 2b 2f 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc9000c95f8c0 EFLAGS: 00000282
RAX: 24410b3c2f808b00 RBX: 0000000000000000 RCX: 24410b3c2f808b00
RDX: dffffc0000000000 RSI: ffffffff8aac19a0 RDI: ffffffff8aff71e0
RBP: ffffc9000c95f910 R08: ffffffff91b7026f R09: 1ffffffff236e04d
R10: dffffc0000000000 R11: fffffbfff236e04e R12: ffff88807a2f3c00
R13: 1ffff110171876f2 R14: dffffc0000000000 R15: ffff8880b8c3b790
 context_switch kernel/sched/core.c:5249 [inline]
 __schedule+0x1087/0x4030 kernel/sched/core.c:6563
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6875
 irqentry_exit+0x63/0x70 kernel/entry/common.c:442
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:perf_trace_init+0x92/0x2d0 kernel/trace/trace_event_perf.c:223
Code: 49 00 48 8b 1d 8f e1 2d 0c 48 81 fb c0 2b b8 8d 0f 84 75 01 00 00 4c 89 24 24 4c 8d 63 40 4c 89 e0 48 c1 e8 03 42 0f b6 04 30 <84> c0 0f 85 17 01 00 00 4d 63 24 24 4c 89 ff 4c 89 e6 e8 f7 fd f7
RSP: 0018:ffffc9000c95fc38 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff8efe9400 RCX: ffff88807a2f3c00
RDX: 0000000000000000 RSI: 0000000000000dfb RDI: 000000000000011d
RBP: 0000000000000002 R08: ffffffff8f22dfef R09: 1ffffffff1e45bfd
R10: dffffc0000000000 R11: fffffbfff1e45bfe R12: ffffffff8efe9440
R13: 0000000000000000 R14: dffffc0000000000 R15: 000000000000011d
 perf_tp_event_init+0x89/0x110 kernel/events/core.c:10129
 perf_try_init_event+0x12b/0x3d0 kernel/events/core.c:11644
 perf_init_event kernel/events/core.c:11708 [inline]
 perf_event_alloc+0xea0/0x21e0 kernel/events/core.c:12000
 __do_sys_perf_event_open kernel/events/core.c:12536 [inline]
 __se_sys_perf_event_open+0x701/0x1ec0 kernel/events/core.c:12428
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd1a499f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a58f8028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fd1a4c26090 RCX: 00007fd1a499f559
RDX: fffffffdffffffff RSI: 0000000000000000 RDI: 0000200000000ac0
RBP: 00007fd1a4a36b20 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1a4c26128 R14: 00007fd1a4c26090 R15: 00007ffc49206688
 </TASK>