rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (12 ticks this GP) idle=017/1/0x4000000000000002 softirq=16194/16195 fqs=5245 
	(detected by 1, t=10502 jiffies, g=21865, q=975)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7199 Comm: syz.4.690 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:check_kcov_mode kernel/kcov.c:171 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1b/0x60 kernel/kcov.c:205
Code: 89 de 5b e9 57 65 44 00 00 00 cc cc 00 00 cc 48 8b 04 24 65 48 8b 0d 14 60 89 7e 65 8b 15 15 60 89 7e 81 e2 00 01 ff 00 74 11 <81> fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00
RSP: 0018:ffffc900000075e0 EFLAGS: 00000006
RAX: ffffffff81988a4f RBX: 0000000000000000 RCX: ffff888020df8000
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc900000076c0 R08: ffffffff8d8b122f R09: 1ffffffff1b16245
R10: dffffc0000000000 R11: fffffbfff1b16246 R12: 0000000000000001
R13: ffff8880b90351c8 R14: 1ffff1100b720ced R15: 0000000000000007
FS:  00007faabb9346c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32363fff CR3: 0000000023c71000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_swevent_event+0x33f/0x540 kernel/events/core.c:9636
 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10057
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10031
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 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+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
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 f2 0f 9d 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007b00 EFLAGS: 00000206
RAX: 6aa217f425547f00 RBX: 1ffff92000000f64 RCX: 6aa217f425547f00
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4540
RBP: ffffc90000007bd8 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: ffffffff8c323400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x132/0x140 net/mac80211/util.c:831
 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4ea/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:schedule_debug kernel/sched/core.c:5601 [inline]
RIP: 0010:__schedule+0x155/0x4350 kernel/sched/core.c:6286
Code: f7 48 8b 1b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 42 c6 f5 f7 48 81 3b 9d 6e ac 57 <0f> 85 38 13 00 00 83 7c 24 58 00 75 54 49 8d 5f 18 48 89 d8 48 c1
RSP: 0018:ffffc90003a3ea20 EFLAGS: 00000246
RAX: 1ffff92000747000 RBX: ffffc90003a38000 RCX: dffffc0000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90003a3eb90
RBP: ffffc90003a3ebf0 R08: ffffc90003a3eb8f R09: ffffc90003a3eb80
R10: dffffc0000000000 R11: fffff52000747d72 R12: ffff8880b9000000
R13: ffffc90003a3eb80 R14: ffff8880b903ad58 R15: ffff888020df8000
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6799
 irqentry_exit+0x63/0x70 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:format_decode+0x166/0x1330 lib/vsprintf.c:2545
Code: 85 ff 74 2d 41 83 ff 25 74 20 e8 15 3a 6d fd 49 ff c6 48 ff c5 eb c6 89 e9 80 e1 07 38 c1 7c cc 48 89 ef e8 9c 67 b2 fd eb c2 <e8> f5 39 6d fd eb 05 e8 ee 39 6d fd 4c 89 74 24 38 4d 39 e6 41 0f
RSP: 0018:ffffc90003a3ed60 EFLAGS: 00000246
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: ffffffff840bd57b RSI: ffffffff8c94f9a0 RDI: 0000000000000025
RBP: ffffffff8a312281 R08: ffff888020df8000 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff8a312280
R13: 0000000000000000 R14: ffffffff8a312281 R15: 0000000000000025
 vsnprintf+0xef/0x1c20 lib/vsprintf.c:2763
 vscnprintf+0x29/0x80 lib/vsprintf.c:2914
 bpf_verifier_vlog+0x33/0x350 kernel/bpf/verifier.c:291
 verbose+0x1f0/0x2b0 kernel/bpf/verifier.c:348
 print_verifier_state+0x421/0x2130 kernel/bpf/verifier.c:647
 prepare_func_exit+0x526/0x930 kernel/bpf/verifier.c:6342
 do_check+0x5bb4/0xf150 kernel/bpf/verifier.c:11497
 do_check_common+0xe7f/0x16e0 kernel/bpf/verifier.c:13533
 do_check_main kernel/bpf/verifier.c:13596 [inline]
 bpf_check+0x88c1/0xf6b0 kernel/bpf/verifier.c:14167
 bpf_prog_load+0xfdf/0x14e0 kernel/bpf/syscall.c:2354
 __sys_bpf+0x532/0x6f0 kernel/bpf/syscall.c:4657
 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
 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: 0033:0x7faabd6dc159
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:00007faabb934028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007faabd963fa0 RCX: 00007faabd6dc159
RDX: 0000000000000078 RSI: 0000200000000440 RDI: 0000000000000005
RBP: 00007faabd773024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007faabd964038 R14: 00007faabd963fa0 R15: 00007ffee09729b8
 </TASK>