rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=2c7c/1/0x4000000000000000 softirq=160477/160479 fqs=5022
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1075974          0            0
rcu: 	cputime:    19054      33424           37   ==> 52510(ms)
rcu: 	(t=10503 jiffies g=234317 q=2779 ncpus=2)
CPU: 1 PID: 5203 Comm: syz.4.10982 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 8d 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:ffffc900001f0990 EFLAGS: 00000206
RAX: ca5c8b74ac09cd00 RBX: 0000000000000246 RCX: ca5c8b74ac09cd00
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: ffffffff8b1c89a0
RBP: ffffc900001f0c30 R08: ffffffff8e8b02af R09: 1ffffffff1d16055
R10: dffffc0000000000 R11: fffffbfff1d16056 R12: fffffffffffffff0
R13: ffffffff8187289f R14: ffff88802ba90000 R15: 0000000000000000
FS:  00007f7f3d6496c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000007b424000 CR4: 00000000003506e0
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:preempt_schedule_irq+0xba/0x150 kernel/sched/core.c:7010
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 6f bf 01 00 00 00 e8 c1 3b ce f6 e8 3c 47 ff f6 fb bf 01 00 00 00 <e8> f1 b4 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc900036779c0 EFLAGS: 00000282
RAX: ca5c8b74ac09cd00 RBX: 0000000000000000 RCX: ca5c8b74ac09cd00
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffffc90003677a70 R08: ffffffff8e8b02af R09: 1ffffffff1d16055
R10: dffffc0000000000 R11: fffffbfff1d16056 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920006cef38
 irqentry_exit+0x67/0x70 kernel/entry/common.c:438
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:safesetid_security_capable+0x0/0x1a0 security/safesetid/lsm.c:94
Code: 03 38 c1 0f 8c d6 fe ff ff 48 8b 3c 24 41 89 f6 41 89 d4 e8 92 48 f1 fd 44 89 e2 44 89 f6 e9 bc fe ff ff 0f 1f 80 00 00 00 00 <f3> 0f 1e fa 55 41 57 41 56 41 54 53 41 89 cf 41 89 d6 48 89 fb e8
RSP: 0018:ffffc90003677b30 EFLAGS: 00000246
RAX: 1ffffffff1aed5ae RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000027 RSI: ffffffff8cfd9700 RDI: ffff88802b896800
RBP: 0000000000000027 R08: ffff88802ba90000 R09: 0000000000000024
R10: 0000000000000023 R11: 0000000000000000 R12: ffffffff8d76ad58
R13: ffffffff8d76ad70 R14: ffffffff8cfd9700 R15: ffff88802b896800
 security_capable+0x79/0xb0 security/security.c:947
 ns_capable_common kernel/capability.c:362 [inline]
 ns_capable kernel/capability.c:383 [inline]
 capable+0x6d/0xe0 kernel/capability.c:436
 bpf_capable include/linux/capability.h:202 [inline]
 bpf_prog_load+0x201/0x1670 kernel/bpf/syscall.c:2632
 __sys_bpf+0x5ba/0x890 kernel/bpf/syscall.c:5477
 __do_sys_bpf kernel/bpf/syscall.c:5581 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5579 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5579
 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: 0033:0x7f7f3c79c799
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:00007f7f3d649028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7f3ca15fa0 RCX: 00007f7f3c79c799
RDX: 0000000000000048 RSI: 00002000000054c0 RDI: 0000000000000005
RBP: 00007f7f3c832c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7f3ca16038 R14: 00007f7f3ca15fa0 R15: 00007ffc0e0e94d8
 </TASK>