rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (9428 ticks this GP) idle=8dc4/1/0x4000000000000000 softirq=38292/38292 fqs=4817
rcu: hardirqs softirqs csw/system
rcu: number: 1231259 0 0
rcu: cputime: 19014 33465 34 ==> 52500(ms)
rcu: (t=10502 jiffies g=42053 q=1488 ncpus=2)
CPU: 0 PID: 9929 Comm: syz.0.1043 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:127 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:178 [inline]
RIP: 0010:kasan_check_range+0x89/0x290 mm/kasan/generic.c:187
Code: 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 <0f> 85 cc 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd
RSP: 0018:ffffc900000074a8 EFLAGS: 00000246
RAX: 1ffff92000000f01 RBX: ffffffffffffffff RCX: ffffffff89ea4f7d
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802e2dafe4
RBP: ffffc900000077b0 R08: ffff88802e2dafe7 R09: 1ffff11005c5b5fc
R10: dffffc0000000000 R11: ffffed1005c5b5fc R12: 0000000000000001
R13: dffffc0000000000 R14: ffffed1005c5b5fd R15: 1ffff11005c5b5fc
FS: 00007f347577a6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056231be6ea38 CR3: 000000005b6aa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 0000000000000600
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
ieee80211_led_rx net/mac80211/led.h:16 [inline]
ieee80211_rx_h_defragment net/mac80211/rx.c:2373 [inline]
ieee80211_rx_handlers+0x173d/0xb0c0 net/mac80211/rx.c:4130
ieee80211_invoke_rx_handlers net/mac80211/rx.c:4177 [inline]
ieee80211_prepare_and_rx_handle+0x25fe/0x61d0 net/mac80211/rx.c:5035
ieee80211_rx_for_interface net/mac80211/rx.c:5120 [inline]
__ieee80211_rx_handle_packet net/mac80211/rx.c:5293 [inline]
ieee80211_rx_list+0x26c9/0x2fe0 net/mac80211/rx.c:5428
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x26a/0x920 kernel/sched/core.c:5254
Code: 0f 84 37 01 00 00 48 85 db 0f 85 56 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 70 25 1c 09 e8 1b a3 2f 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:ffffc9000537f718 EFLAGS: 00000286
RAX: c5d93de8f9d5fe00 RBX: 0000000000000000 RCX: c5d93de8f9d5fe00
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6b00
RBP: ffffc9000537f770 R08: ffffffff90da8547 R09: 1ffffffff21b50a8
R10: dffffc0000000000 R11: fffffbfff21b50a9 R12: ffff88802bfdbc00
R13: dffffc0000000000 R14: ffff88802e613c00 R15: ffff8880b8e3ccc8
context_switch kernel/sched/core.c:5383 [inline]
__schedule+0x14da/0x44d0 kernel/sched/core.c:6699
preempt_schedule_irq+0xb5/0x140 kernel/sched/core.c:7009
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:preempt_schedule_common+0x18/0xc0 kernel/sched/core.c:6874
Code: 9e ba f7 ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 53 49 bf 00 00 00 00 00 fc ff df eb 0d 48 f7 03 08 00 00 00 <0f> 84 99 00 00 00 65 ff 05 83 a5 8c 75 65 8b 05 7c a5 8c 75 25 ff
RSP: 0018:ffffc9000537fae0 EFLAGS: 00000246
RAX: 1ffff110057fb780 RBX: ffff88802bfdbc00 RCX: c5d93de8f9d5fe00
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffff88802bfdd1f8
RBP: ffffc9000537fb78 R08: ffffffff90da8547 R09: 1ffffffff21b50a8
R10: dffffc0000000000 R11: fffffbfff21b50a9 R12: 0000000000000000
R13: 1ffff92000a6ff8c R14: ffff88802bfdd0c8 R15: dffffc0000000000
preempt_schedule+0xab/0xc0 kernel/sched/core.c:6890
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
__mutex_lock_common kernel/locking/mutex.c:613 [inline]
__mutex_lock+0x322/0xcc0 kernel/locking/mutex.c:747
__do_sys_perf_event_open kernel/events/core.c:12925 [inline]
__se_sys_perf_event_open+0x1878/0x1c20 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: 0033:0x7f347498f6c9
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:00007f347577a038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f3474be5fa0 RCX: 00007f347498f6c9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000200
RBP: 00007f3474a11f91 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3474be6038 R14: 00007f3474be5fa0 R15: 00007fff29d75ad8