rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=03d/1/0x4000000000000000 softirq=35853/35854 fqs=4775 (t=10500 jiffies g=51785 q=1388) NMI backtrace for cpu 0 CPU: 0 PID: 15036 Comm: syz.4.2642 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 nmi_cpu_backtrace+0x397/0x3d0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_dump_cpu_stacks+0x22f/0x380 kernel/rcu/tree_stall.h:349 print_cpu_stall+0x31d/0x5f0 kernel/rcu/tree_stall.h:633 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline] rcu_pending kernel/rcu/tree.c:3936 [inline] rcu_sched_clock_irq+0x6d8/0x1110 kernel/rcu/tree.c:2619 update_process_times+0x193/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x4fe/0xc40 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:queue_work_on+0x183/0x1d0 kernel/workqueue.c:1564 Code: 4d 85 e4 75 16 e8 9d c3 2a 00 eb 15 e8 96 c3 2a 00 e8 61 65 5c 08 4d 85 e4 74 ea e8 87 c3 2a 00 fb 48 c7 44 24 20 0e 36 e0 45 <48> b8 00 00 00 00 00 fc ff df 49 c7 44 05 00 00 00 00 00 66 41 c7 RSP: 0018:ffffc900000074c0 EFLAGS: 00000246 RAX: ffffffff814d0889 RBX: 0000000000000000 RCX: ffff88801de10000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900000075a0 R08: dffffc0000000000 R09: fffffbfff1ff7c3a R10: fffffbfff1ff7c3a R11: 1ffffffff1ff7c39 R12: 0000000000000200 R13: 1ffff92000000e9c R14: 0000000000000000 R15: ffff888075b85701 __ieee80211_queue_skb_to_iface net/mac80211/rx.c:222 [inline] ieee80211_queue_skb_to_iface net/mac80211/rx.c:232 [inline] ieee80211_rx_h_mgmt+0x406/0x5b0 net/mac80211/rx.c:3795 ieee80211_rx_handlers+0x6727/0x8470 net/mac80211/rx.c:3959 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3989 [inline] ieee80211_prepare_and_rx_handle+0x1d8e/0x5250 net/mac80211/rx.c:4703 __ieee80211_rx_handle_packet net/mac80211/rx.c:4863 [inline] ieee80211_rx_list+0x1ba1/0x2680 net/mac80211/rx.c:4986 ieee80211_rx_napi+0x15d/0x360 net/mac80211/rx.c:5009 ieee80211_rx include/net/mac80211.h:4573 [inline] ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:237 tasklet_action_common+0x298/0x400 kernel/softirq.c:806 handle_softirqs+0x328/0x820 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:generic_exec_single+0x360/0x450 kernel/smp.c:532 Code: df eb 27 e8 92 55 0b 00 0f 0b e9 ce fd ff ff e8 86 55 0b 00 e8 51 f7 3c 08 48 85 db 0f 84 5c ff ff ff e8 73 55 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 44 3d 00 00 00 00 00 66 43 c7 44 RSP: 0018:ffffc900030efa60 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff88801de10000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900030efb30 R08: dffffc0000000000 R09: fffffbfff1ff7c3a R10: fffffbfff1ff7c3a R11: 1ffffffff1ff7c39 R12: ffffc900030efb88 R13: 1ffff9200061df50 R14: 0000000000000000 R15: dffffc0000000000 smp_call_function_single+0x1e2/0x490 kernel/smp.c:755 task_function_call kernel/events/core.c:120 [inline] perf_install_in_context+0x59a/0x8f0 kernel/events/core.c:3016 __do_sys_perf_event_open kernel/events/core.c:12793 [inline] __se_sys_perf_event_open+0x1283/0x1b80 kernel/events/core.c:12387 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe14c258749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe14a47d038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fe14c4af180 RCX: 00007fe14c258749 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0 RBP: 00007fe14c2dcf91 R08: 000000000000000b R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe14c4af218 R14: 00007fe14c4af180 R15: 00007ffd5a76eb38