rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2639 jiffies s: 153121 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: 5780 Comm: syz.4.367 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:strlen+0x3f/0x60 lib/string.c:502
Code: fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 75 de eb 19 <89> d9 80 e1 07 38 c1 7c e6 49 89 fc 48 89 df e8 6d 9a c8 f7 4c 89
RSP: 0018:ffffc900000070d8 EFLAGS: 00000006
RAX: 0000000000000006 RBX: ffffffff8a8d1cca RCX: 000000008a8d1c01
RDX: 0000000000000000 RSI: ffffffff8cb2abe0 RDI: ffffffff8a8d1cc0
RBP: ffffc90000007200 R08: 0000000000000002 R09: 0000000000000000
R10: fffffbfff1c3ecb6 R11: 1ffffffff1c3ecb5 R12: dffffc0000000000
R13: 1ffff92000000e50 R14: dffffc0000000000 R15: 0000000000000009
FS:  00007f01e8f8b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3543aa CR3: 000000002e4e6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __fortify_strlen include/linux/fortify-string.h:196 [inline]
 trace_event_get_offsets_lock_acquire include/trace/events/lock.h:24 [inline]
 perf_trace_lock_acquire+0xcd/0x3c0 include/trace/events/lock.h:24
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x441/0x490 kernel/locking/lockdep.c:5633
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 __perf_output_begin kernel/events/ring_buffer.c:163 [inline]
 perf_output_begin_forward+0xb5/0xa80 kernel/events/ring_buffer.c:272
 __perf_event_output kernel/events/core.c:7732 [inline]
 perf_event_output_forward+0x179/0x2a0 kernel/events/core.c:7750
 __perf_event_overflow+0x448/0x610 kernel/events/core.c:9496
 perf_tp_event+0x335/0xb60 kernel/events/core.c:10029
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10002
 perf_trace_preemptirq_template+0x287/0x330 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+0x84/0x500 kernel/rcu/tree_plugin.h:685
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 2d 97 96 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90000007aa0 EFLAGS: 00000206
RAX: d7cd6af7a19db100 RBX: 1ffff92000000f5c RCX: d7cd6af7a19db100
RDX: dffffc0000000000 RSI: ffffffff8a8c0500 RDI: ffffffff8adefd20
RBP: ffffc90000007b90 R08: dffffc0000000000 R09: ffffed10171c6afa
R10: ffffed10171c6afa R11: 1ffff110171c6af9 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8e3b900 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:1747 [inline]
 __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x12f/0x220 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:preempt_schedule_irq+0xac/0x150 kernel/sched/core.c:6873
Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 70 bf 01 00 00 00 e8 af 7f 37 f7 e8 0a f6 66 f7 fb bf 01 00 00 00 <e8> df b9 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90005047b80 EFLAGS: 00000282
RAX: d7cd6af7a19db100 RBX: 0000000000000000 RCX: d7cd6af7a19db100
RDX: dffffc0000000000 RSI: ffffffff8a8c0500 RDI: 0000000000000001
RBP: ffffc90005047c20 R08: dffffc0000000000 R09: ffffed10171c6afa
R10: ffffed10171c6afa R11: 1ffff110171c6af9 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000a08f70
 irqentry_exit+0x63/0x70 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__radix_tree_preload+0x0/0x880 lib/radix-tree.c:321
Code: f7 89 d8 25 00 04 00 00 74 0f e8 1b 4d 79 f7 89 df be 15 00 00 00 5b eb 11 e8 0c 4d 79 f7 0f 0b eb ed 0f 1f 84 00 00 00 00 00 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 28 89 34 24 89 7c 24 04 e8
RSP: 0018:ffffc90005047ce0 EFLAGS: 00000287
RAX: ffffffff8a07d32d RBX: 0000000000000cc0 RCX: 0000000000080000
RDX: ffffc9000ebda000 RSI: 000000000000000b RDI: 0000000000000cc0
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffff88801eb9d190
R10: ffffed1003d73a34 R11: 1ffff11003d73a32 R12: ffff88801eb9d000
R13: ffffc90005047df8 R14: ffff88801eb9d000 R15: 0000000000000002
 idr_preload+0x19/0x210 lib/radix-tree.c:1469
 bpf_map_alloc_id+0x15/0xd0 kernel/bpf/syscall.c:381
 map_create+0xae5/0x1000 kernel/bpf/syscall.c:1212
 __sys_bpf+0x2f3/0x6d0 kernel/bpf/syscall.c:5009
 __do_sys_bpf kernel/bpf/syscall.c:5131 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5129 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5129
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f01e818eec9
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:00007f01e8f8b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f01e83e5fa0 RCX: 00007f01e818eec9
RDX: 0000000000000050 RSI: 0000200000000680 RDI: 0000000000000000
RBP: 00007f01e8211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f01e83e6038 R14: 00007f01e83e5fa0 R15: 00007ffe6e50f448
 </TASK>