rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=ee84/1/0x4000000000000000 softirq=127899/127900 fqs=4351
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1221577          1            0
rcu: 	cputime:    20283      32195           52   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=156721 q=1325 ncpus=2)
CPU: 1 PID: 29790 Comm: syz.4.6640 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline]
RIP: 0010:__local_bh_enable_ip+0x142/0x1c0 kernel/softirq.c:413
Code: 8a e8 02 f7 43 09 65 66 8b 05 aa a8 b0 7e 66 85 c0 75 54 bf 01 00 00 00 e8 bb 22 0a 00 e8 46 3a 3b 00 fb 65 8b 05 76 a8 b0 7e <85> c0 75 05 e8 65 8d ad ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc900001f0400 EFLAGS: 00000286
RAX: 0000000000000101 RBX: 0000000000000201 RCX: 180bc87e2dac0f00
RDX: dffffc0000000000 RSI: ffffffff8aead140 RDI: ffffffff8b3c50e0
RBP: ffffc900001f0490 R08: ffffffff92223607 R09: 1ffffffff24446c0
R10: dffffc0000000000 R11: fffffbfff24446c1 R12: ffffffff8a104536
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff9200003e080
FS:  00007f6c1445d6c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c261ed8 CR3: 0000000033987000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 ieee80211_rx_handlers+0xb3e6/0xb450 net/mac80211/rx.c:4162
 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4184 [inline]
 ieee80211_prepare_and_rx_handle+0x2886/0x6110 net/mac80211/rx.c:5048
 ieee80211_rx_for_interface net/mac80211/rx.c:5133 [inline]
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5306 [inline]
 ieee80211_rx_list+0x28d4/0x3240 net/mac80211/rx.c:5445
 ieee80211_rx_napi+0x1ae/0x3c0 net/mac80211/rx.c:5468
 ieee80211_rx include/net/mac80211.h:4978 [inline]
 ieee80211_handle_queued_frames+0x105/0x190 net/mac80211/main.c:319
 tasklet_action_common+0x2d4/0x460 kernel/softirq.c:809
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:generic_exec_single+0x477/0x4e0 kernel/smp.c:418
Code: 75 11 e8 ec 13 0b 00 48 85 db 75 16 e8 e2 13 0b 00 eb 15 e8 db 13 0b 00 e8 d6 2f 1a 09 48 85 db 74 ea e8 cc 13 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 43 c7 44 2c 08
RSP: 0018:ffffc9000ee6fa00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc9001062b000 RSI: 0000000000002968 RDI: 0000000000002969
RBP: ffffc9000ee6fad0 R08: ffffffff92223607 R09: 1ffffffff24446c0
R10: dffffc0000000000 R11: fffffbfff24446c1 R12: 1ffff92001dcdf44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92001dcdf65
 smp_call_function_single+0x36d/0x5a0 kernel/smp.c:647
 task_function_call kernel/events/core.c:120 [inline]
 perf_install_in_context+0x5bb/0x920 kernel/events/core.c:2959
 __do_sys_perf_event_open kernel/events/core.c:12951 [inline]
 __se_sys_perf_event_open+0x180d/0x1d40 kernel/events/core.c:12593
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6c1359f559
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:00007f6c1445d028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f6c13825fa0 RCX: 00007f6c1359f559
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000340
RBP: 00007f6c13636b20 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6c13826038 R14: 00007f6c13825fa0 R15: 00007ffca2be7fb8
 </TASK>