rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2646 jiffies s: 7949 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: 5319 Comm: syz.1.313 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline]
RIP: 0010:__perf_event_overflow+0x4d/0x630 kernel/events/core.c:9435
Code: 00 00 fc ff df e8 43 f1 dc ff 48 8d ab 78 04 00 00 48 89 ef be 04 00 00 00 e8 7f 1a 2e 00 48 89 e8 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 e8 04 00 00 44 8b ab 78 04 00 00 4c 8d b3 e8 00 00 00
RSP: 0018:ffffc90000007500 EFLAGS: 00000806
RAX: 0000000000000000 RBX: ffff88802387a400 RCX: ffffffff81a52fe1
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802387a878
RBP: ffff88802387a878 R08: ffff88802387a87b R09: 1ffff1100470f50f
R10: dffffc0000000000 R11: ffffed100470f510 R12: 0000000000000000
R13: ffffc900000076c8 R14: dffffc0000000000 R15: dffffc0000000000
FS:  00007f1687d246c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff14ff8 CR3: 000000007db56000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_swevent_overflow kernel/events/core.c:9579 [inline]
 perf_swevent_event+0x315/0x570 kernel/events/core.c:9630
 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10064
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10032
 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 e2 82 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:ffffc90000007ae0 EFLAGS: 00000206
RAX: 1757ee8c49776b00 RBX: 1ffff92000000f64 RCX: 1757ee8c49776b00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adee1a0
RBP: ffffc90000007bd0 R08: ffff8880b8e3580b R09: 1ffff110171c6b01
R10: dffffc0000000000 R11: ffffed10171c6b02 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8e3bb00 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 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:map_update_elem+0x3d/0x6a0 kernel/bpf/syscall.c:1433
Code: ff 48 bd 00 00 00 00 00 fc ff df e8 ed d9 f1 ff 49 8d 7f 08 48 89 f8 48 c1 e8 03 80 3c 28 00 74 05 e8 97 01 43 00 4d 8b 67 08 <49> 8d 7f 10 48 89 f8 48 c1 e8 03 80 3c 28 00 74 05 e8 7d 01 43 00
RSP: 0018:ffffc9000455fd08 EFLAGS: 00000246
RAX: 1ffff920008abfb9 RBX: 1ffff920008abfb4 RCX: 0000000000080000
RDX: ffffc9000dd2f000 RSI: 00000000000013bc RDI: ffffc9000455fdc8
RBP: dffffc0000000000 R08: ffff888053468000 R09: 0000000000000024
R10: 0000000000000023 R11: 0000000000000002 R12: 0000200000000300
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc9000455fdc0
 __sys_bpf+0x4ec/0x780 kernel/bpf/syscall.c:5019
 __do_sys_bpf kernel/bpf/syscall.c:5135 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5133 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5133
 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: 0033:0x7f1686d9ce59
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:00007f1687d24028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f1687015fa0 RCX: 00007f1686d9ce59
RDX: 0000000000000020 RSI: 00002000000002c0 RDI: 0000000000000002
RBP: 00007f1686e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1687016038 R14: 00007f1687015fa0 R15: 00007ffdbad770f8
 </TASK>