rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (1 GPs behind) idle=b7f/1/0x4000000000000002 softirq=19219/19220 fqs=5250 (detected by 1, t=10502 jiffies, g=25613, q=167) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5493 Comm: syz.0.1163 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:div64_u64 include/linux/math64.h:69 [inline] RIP: 0010:perf_swevent_set_period kernel/events/core.c:9543 [inline] RIP: 0010:perf_swevent_overflow kernel/events/core.c:9560 [inline] RIP: 0010:perf_swevent_event+0x424/0x550 kernel/events/core.c:9604 Code: 01 00 74 08 4c 89 f7 e8 fa 21 28 00 49 8b 1e 31 ff 48 89 de e8 ad 49 de ff 48 85 db 78 39 4a 8d 2c 3b 48 89 e8 31 d2 49 f7 f7 <49> 89 c5 49 0f af c7 49 89 dc 49 29 c4 4c 89 f7 be 08 00 00 00 e8 RSP: 0018:ffffc900000075e8 EFLAGS: 00000046 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88801e0dbb80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: ffffffff81a23f13 R09: ffffed100479ccef R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888023ce6768 R13: 1ffff1100479cced R14: ffff888023ce6770 R15: 0000000000000003 FS: 000055556f807500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200003c0 CR3: 00000000733d5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_tp_event+0x363/0xc40 kernel/events/core.c:10022 perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9996 perf_trace_preemptirq_template+0x31d/0x430 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0x10e/0x190 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713 RIP: 0010:rcu_read_unlock_special+0x84/0x520 kernel/rcu/tree_plugin.h:671 Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 6d 82 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a RSP: 0018:ffffc90000007b00 EFLAGS: 00000206 RAX: e7b06e069becf700 RBX: 1ffff92000000f68 RCX: ffffffff81633db8 RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9f000 RBP: ffffc90000007bd0 R08: dffffc0000000000 R09: fffffbfff2131222 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8cb23d00 R13: ffff88801e0dbfd8 R14: ffffc90000007b40 R15: 1ffff92000000f64 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:422 rcu_read_unlock include/linux/rcupdate.h:771 [inline] ieee80211_iterate_active_interfaces_atomic+0x12e/0x140 net/mac80211/util.c:831 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 82 d3 81 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 17 ff 0e f7 65 8b 05 28 e2 b9 75 85 c0 74 3f 48 c7 04 24 0e 36 RSP: 0018:ffffc9000482fc80 EFLAGS: 00000206 RAX: e7b06e069becf700 RBX: 1ffff92000905f94 RCX: ffffffff81633db8 RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: 0000000000000001 RBP: ffffc9000482fd10 R08: dffffc0000000000 R09: fffffbfff2131222 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff92000905f90 R14: ffffc9000482fca0 R15: 0000000000000246 perf_unpin_context kernel/events/core.c:1559 [inline] __do_sys_perf_event_open kernel/events/core.c:12746 [inline] __se_sys_perf_event_open+0x3648/0x4510 kernel/events/core.c:12339 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f20ff919d29 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:00007fff9d43e1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f20ffb09fa0 RCX: 00007f20ff919d29 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 00000000200003c0 RBP: 00007f20ff995b08 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f20ffb09fa0 R14: 00007f20ffb09fa0 R15: 0000000000000ee1