rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10477 ticks this GP) idle=fff4/1/0x4000000000000000 softirq=44751/44757 fqs=4458
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1158664          0            0
rcu: 	cputime:    18139      34349           36   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=48573 q=1840 ncpus=2)
CPU: 0 PID: 13224 Comm: syz.0.2552 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:kcov_remote_start+0x2b/0x7e0 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 96 9a 7c 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:ffffc90000007990 EFLAGS: 00000206
RAX: ca9e05368c186b00 RBX: 0000000000000246 RCX: ca9e05368c186b00
RDX: dffffc0000000000 RSI: ffffffff8acac900 RDI: ffffffff8b1c80e0
RBP: ffffc90000007c30 R08: ffffffff911be5ff R09: 1ffffffff2237cbf
R10: dffffc0000000000 R11: fffffbfff2237cc0 R12: fffffffffffffff0
R13: ffffffff81871b9f R14: ffff888021541e00 R15: 0000000000000000
FS:  00007f6a0743d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a073faff0 CR3: 000000002e5d8000 CR4: 00000000003506f0
DR0: 0000000000000000 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+0x813/0x32d0 net/mac80211/rx.c:5419
 ieee80211_rx_napi+0x1b2/0x3d0 net/mac80211/rx.c:5460
 ieee80211_rx include/net/mac80211.h:4971 [inline]
 ieee80211_handle_queued_frames+0x106/0x1a0 net/mac80211/main.c:319
 tasklet_action_common+0x302/0x4d0 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+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:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5255
Code: 0f 84 33 01 00 00 48 85 db 0f 85 52 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 50 52 30 09 e8 0b 21 30 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90004247758 EFLAGS: 00000282
RAX: ca9e05368c186b00 RBX: 0000000000000000 RCX: ca9e05368c186b00
RDX: dffffc0000000000 RSI: ffffffff8acac900 RDI: ffffffff8b1c80e0
RBP: ffffc900042477b0 R08: ffffffff911be5ff R09: 1ffffffff2237cbf
R10: dffffc0000000000 R11: fffffbfff2237cc0 R12: ffff888021541e00
R13: dffffc0000000000 R14: ffff88801f289e00 R15: ffff8880b8e3cac8
 context_switch kernel/sched/core.c:5384 [inline]
 __schedule+0x155b/0x45a0 kernel/sched/core.c:6700
 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6867
 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6891
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 smp_call_function_single+0x48d/0x5a0 kernel/smp.c:652
 task_function_call kernel/events/core.c:120 [inline]
 perf_install_in_context+0x5be/0x920 kernel/events/core.c:2948
 __do_sys_perf_event_open kernel/events/core.c:12915 [inline]
 __se_sys_perf_event_open+0x1836/0x1c50 kernel/events/core.c:12567
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6a0659acb9
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:00007f6a0743d028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f6a06815fa0 RCX: 00007f6a0659acb9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007f6a06608bf7 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6a06816038 R14: 00007f6a06815fa0 R15: 00007ffd92bd2c88
 </TASK>