rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (10407 ticks this GP) idle=52cc/1/0x4000000000000000 softirq=11606/15159 fqs=4968
rcu: hardirqs softirqs csw/system
rcu: number: 1066982 0 0
rcu: cputime: 19258 33231 35 ==> 52510(ms)
rcu: (t=10502 jiffies g=9269 q=2807 ncpus=2)
CPU: 0 PID: 6018 Comm: syz.0.46 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:kcov_remote_stop+0x28/0x6e0 kernel/kcov.c:1057
Code: 66 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 38 65 4c 8b 35 e6 13 7e 7e 65 8b 05 e7 13 7e 7e a9 00 00 ff 00 74 0f <48> 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 04 24 00 00 00
RSP: 0018:ffffc90000007970 EFLAGS: 00000206
RAX: ddc44c7b45bc1300 RBX: dffffc0000000000 RCX: ddc44c7b45bc1300
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6f80
RBP: ffffc90000007c30 R08: ffffffff90d945ff R09: 1ffffffff21b28bf
R10: dffffc0000000000 R11: fffffbfff21b28c0 R12: 0000000000000246
R13: ffffffff8185a233 R14: ffff888020ed3c00 R15: ffff8880b8e2c2f8
FS: 00007f92af0546c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25c646 CR3: 0000000026456000 CR4: 00000000003506f0
Call Trace:
ieee80211_rx_list+0x28d5/0x31f0 net/mac80211/rx.c:5435
ieee80211_rx_napi+0x1aa/0x3c0 net/mac80211/rx.c:5455
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:lock_is_held_type+0x13e/0x190 kernel/locking/lockdep.c:5830
Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90005297798 EFLAGS: 00000206
RAX: ddc44c7b45bc1300 RBX: ffff888020ed3c00 RCX: ddc44c7b45bc1300
RDX: 0000000000000000 RSI: ffffffff8aaace60 RDI: ffffffff8afc6f80
RBP: 0000000000000000 R08: ffffc9000529795f R09: 0000000000000000
R10: ffffc90005297950 R11: fffff52000a52f2c R12: 0000000000000002
R13: 0000000000000246 R14: ffffffff8cd2ff80 R15: ffff888020ed4730
lock_is_held include/linux/lockdep.h:288 [inline]
schedule_debug kernel/sched/core.c:5957 [inline]
__schedule+0x1db/0x44d0 kernel/sched/core.c:6590
preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6866
preempt_schedule+0xab/0xc0 kernel/sched/core.c:6890
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
smp_call_function_single+0x469/0x580 kernel/smp.c:652
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: 0033:0x7f92ae18f749
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:00007f92af054038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f92ae3e5fa0 RCX: 00007f92ae18f749
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f92ae213f91 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f92ae3e6038 R14: 00007f92ae3e5fa0 R15: 00007ffce93c1508