INFO: rcu detected stall in sys_perf_event

Kernel	Title	Repro	Fix bisect	Count	Last	Reported	Patched	Status
linux-5.15	INFO: rcu detected stall in sys_perf_event_open (2) origin:lts-only	C	error	1	107d	106d	0/3	upstream: reported C repro on 2024/01/09 18:19
upstream	INFO: rcu detected stall in sys_perf_event_open (3) perf			1	1569d	1569d	0/26	closed as invalid on 2020/01/08 05:23
upstream	INFO: rcu detected stall in sys_perf_event_open (2) perf			8	1604d	1605d	0/26	closed as invalid on 2019/12/04 14:14
linux-5.15	INFO: rcu detected stall in sys_perf_event_open			1	372d	372d	0/3	auto-obsoleted due to no activity on 2023/08/17 04:33
upstream	INFO: rcu detected stall in sys_perf_event_open perf			1	2048d	2046d	0/26	auto-closed as invalid on 2019/03/14 17:19

rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-...!: (1 GPs behind) idle=a76/1/0x4000000000000002 softirq=15035/15037 fqs=1 (t=10501 jiffies g=6949 q=59) rcu: rcu_preempt kthread starved for 10500 jiffies! g6949 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 29032 10 2 0x80004000 Call Trace: context_switch kernel/sched/core.c:3385 [inline] __schedule+0x9a0/0xcc0 kernel/sched/core.c:4081 schedule+0x181/0x210 kernel/sched/core.c:4155 schedule_timeout+0x14f/0x240 kernel/time/timer.c:1895 rcu_gp_fqs_loop kernel/rcu/tree.c:1661 [inline] rcu_gp_kthread+0xed8/0x1770 kernel/rcu/tree.c:1821 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 NMI backtrace for cpu 1 CPU: 1 PID: 8633 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fb/0x318 lib/dump_stack.c:118 nmi_cpu_backtrace+0xaf/0x1a0 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x174/0x290 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x10/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x15a/0x220 kernel/rcu/tree_stall.h:254 print_cpu_stall kernel/rcu/tree_stall.h:455 [inline] check_cpu_stall kernel/rcu/tree_stall.h:529 [inline] rcu_pending kernel/rcu/tree.c:2827 [inline] rcu_sched_clock_irq+0xe25/0x1ad0 kernel/rcu/tree.c:2271 update_process_times+0x12d/0x180 kernel/time/timer.c:1726 tick_sched_handle kernel/time/tick-sched.c:167 [inline] tick_sched_timer+0x263/0x420 kernel/time/tick-sched.c:1310 __run_hrtimer kernel/time/hrtimer.c:1517 [inline] __hrtimer_run_queues+0x403/0x840 kernel/time/hrtimer.c:1579 hrtimer_interrupt+0x38c/0xda0 kernel/time/hrtimer.c:1641 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline] smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1135 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 </IRQ> RIP: 0010:mod_memcg_page_state+0x3d/0x190 include/linux/memcontrol.h:653 Code: 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 e6 8f 6a 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 60 95 2a 89 48 c1 e8 03 42 80 RSP: 0018:ffffc900021b78a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffffd40004fce2f RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90001e79000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900021b78c0 R08: 000000000003a728 R09: ffffed101259d291 R10: ffffed101259d291 R11: 0000000000000000 R12: dffffc0000000000 R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888092ce9478 free_thread_stack+0x168/0x590 kernel/fork.c:280 release_task_stack kernel/fork.c:440 [inline] put_task_stack+0xa3/0x130 kernel/fork.c:451 finish_task_switch+0x3f1/0x550 kernel/sched/core.c:3256 context_switch kernel/sched/core.c:3388 [inline] __schedule+0x9a8/0xcc0 kernel/sched/core.c:4081 preempt_schedule_common kernel/sched/core.c:4236 [inline] preempt_schedule+0xdb/0x120 kernel/sched/core.c:4261 ___preempt_schedule+0x16/0x18 arch/x86/entry/thunk_64.S:50 on_each_cpu+0x1d2/0x1f0 kernel/smp.c:620 text_poke_bp_batch+0x162/0x470 arch/x86/kernel/alternative.c:1070 arch_jump_label_transform_apply+0x2d/0x50 arch/x86/kernel/jump_label.c:164 __jump_label_update+0x371/0x390 kernel/jump_label.c:449 jump_label_update+0x38e/0x410 kernel/jump_label.c:808 static_key_enable_cpuslocked+0x130/0x240 kernel/jump_label.c:177 static_key_enable+0x1a/0x30 kernel/jump_label.c:190 account_event kernel/events/core.c:10638 [inline] perf_event_alloc+0x228c/0x27d0 kernel/events/core.c:10859 __do_sys_perf_event_open kernel/events/core.c:11277 [inline] __se_sys_perf_event_open+0x6e3/0x41c0 kernel/events/core.c:11151 __x64_sys_perf_event_open+0xbf/0xd0 kernel/events/core.c:11151 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45af49 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7a69427c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045af49 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 000000002001d000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f7a694286d4 R13: 00000000004c906d R14: 00000000004e18a8 R15: 00000000ffffffff