rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10143 ticks this GP) idle=2794/1/0x4000000000000000 softirq=45384/45385 fqs=4415
rcu: hardirqs softirqs csw/system
rcu: number: 1228849 0 0
rcu: cputime: 21138 31351 33 ==> 52490(ms)
rcu: (t=10500 jiffies g=51145 q=1946 ncpus=2)
CPU: 1 PID: 12544 Comm: syz.8.1858 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:ffffc900001f0970 EFLAGS: 00000206
RAX: a19f935024dccf00 RBX: dffffc0000000000 RCX: a19f935024dccf00
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6f80
RBP: ffffc900001f0c30 R08: ffffffff8e4a212f R09: 1ffffffff1c94425
R10: dffffc0000000000 R11: fffffbfff1c94426 R12: 0000000000000246
R13: ffffffff8185a233 R14: ffff88807e591e00 R15: ffff8880b8f2c2f8
FS: 00007f3a3e6ec6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30222ff8 CR3: 00000000454da000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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:check_preemption_disabled+0x1/0x110 lib/smp_processor_id.c:13
Code: e9 6e ff ff ff cc cc cc cc f3 0f 1e fa 48 c7 c7 20 6f fc 8a 48 c7 c6 60 6f fc 8a eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24
RSP: 0018:ffffc90005377bb0 EFLAGS: 00000283
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81677b7b
RDX: 0000000000000000 RSI: ffffffff8afc6f60 RDI: ffffffff8afc6f20
RBP: ffffc90005377ce8 R08: ffffffff8e4a212f R09: 1ffffffff1c94425
R10: dffffc0000000000 R11: fffffbfff1c94426 R12: ffffffff81f3ba40
R13: dffffc0000000000 R14: ffffffff81f3ba40 R15: 1ffff92000a6ef88
rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:700
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0xba/0x8b0 kernel/locking/lockdep.c:5765
rcu_lock_release include/linux/rcupdate.h:344 [inline]
rcu_read_unlock_sched include/linux/rcupdate.h:899 [inline]
fd_install+0x2b1/0x4e0 fs/file.c:611
__do_sys_perf_event_open kernel/events/core.c:12936 [inline]
__se_sys_perf_event_open+0x19b7/0x1c20 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: 0033:0x7f3a3d78f749
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:00007f3a3e6ec038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f3a3d9e5fa0 RCX: 00007f3a3d78f749
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f3a3d813f91 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3a3d9e6038 R14: 00007f3a3d9e5fa0 R15: 00007ffffb702708