rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=4204/1/0x4000000000000000 softirq=28460/28461 fqs=4719
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1095003          0            0
rcu: 	cputime:    21893      30586           39   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=28289 q=1954 ncpus=2)
CPU: 0 PID: 7841 Comm: syz.9.591 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:kcov_remote_start+0x2b/0x7f0 kernel/kcov.c:933
Code: 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 65 4c 8b 35 26 20 7e 7e 48 b8 00 00 00 00 ff ff ff 00 48 85 c7 74 11 0f 0b <48> 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 89 f8 48 c1 e8 39
RSP: 0018:ffffc900000079b0 EFLAGS: 00000206
RAX: 61d490adf3493e00 RBX: 0000000000000246 RCX: 61d490adf3493e00
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6b00
RBP: ffffc90000007c30 R08: ffffffff90da8607 R09: 1ffffffff21b50c0
R10: dffffc0000000000 R11: fffffbfff21b50c1 R12: fffffffffffffff0
R13: ffffffff8185980f R14: ffff888030ca3c00 R15: 0000000000000000
FS:  00007f4f207f66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c29b2a2 CR3: 000000005ea4f000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kcov_remote_start_common include/linux/kcov.h:50 [inline]
 ieee80211_rx_list+0x581/0x2fe0 net/mac80211/rx.c:5410
 ieee80211_rx_napi+0x1aa/0x3c0 net/mac80211/rx.c:5451
 ieee80211_rx include/net/mac80211.h:4971 [inline]
 ieee80211_handle_queued_frames+0x106/0x1a0 net/mac80211/main.c:319
 tasklet_action_common+0x2eb/0x4c0 kernel/softirq.c:809
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 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+0x476/0x4f0 kernel/smp.c:418
Code: 75 11 e8 3d e6 0a 00 48 85 db 75 16 e8 33 e6 0a 00 eb 15 e8 2c e6 0a 00 e8 47 24 f4 08 48 85 db 74 ea e8 1d e6 0a 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc900038d7a00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc9000d279000 RSI: 0000000000003f40 RDI: 0000000000003f41
RBP: ffffc900038d7ad0 R08: ffffffff90da8607 R09: 1ffffffff21b50c0
R10: dffffc0000000000 R11: fffffbfff21b50c1 R12: 1ffff9200071af44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200071af65
 smp_call_function_single+0x352/0x580 kernel/smp.c:647
 task_function_call kernel/events/core.c:120 [inline]
 perf_install_in_context+0x591/0x8e0 kernel/events/core.c:2948
 __do_sys_perf_event_open kernel/events/core.c:12915 [inline]
 __se_sys_perf_event_open+0x17fa/0x1c20 kernel/events/core.c:12567
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4f2258f6c9
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:00007f4f207f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f4f227e5fa0 RCX: 00007f4f2258f6c9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f4f22611f91 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4f227e6038 R14: 00007f4f227e5fa0 R15: 00007fff64761868
 </TASK>