rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (10438 ticks this GP) idle=8844/1/0x4000000000000000 softirq=29076/29079 fqs=4464
rcu: hardirqs softirqs csw/system
rcu: number: 1109730 0 0
rcu: cputime: 20347 32122 31 ==> 52470(ms)
rcu: (t=10500 jiffies g=30393 q=2674 ncpus=2)
CPU: 0 PID: 9707 Comm: syz.0.1366 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline]
RIP: 0010:__local_bh_enable_ip+0x142/0x1c0 kernel/softirq.c:413
Code: 8a e8 32 92 39 09 65 66 8b 05 2a 6c b1 7e 66 85 c0 75 54 bf 01 00 00 00 e8 2b 1d 0a 00 e8 d6 06 3b 00 fb 65 8b 05 f6 6b b1 7e <85> c0 75 05 e8 a5 50 ae ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc90000007400 EFLAGS: 00000286
RAX: 0000000000000101 RBX: 0000000000000201 RCX: 324fcf64fc719600
RDX: dffffc0000000000 RSI: ffffffff8acacb60 RDI: ffffffff8b1cfa20
RBP: ffffc90000007490 R08: ffffffff911e75ff R09: 1ffffffff223cebf
R10: dffffc0000000000 R11: fffffbfff223cec0 R12: ffffffff8a05ed06
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff92000000e80
FS: 00007fe1543d66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc228de99dc CR3: 000000004e2d6000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
spin_unlock_bh include/linux/spinlock.h:396 [inline]
ieee80211_rx_handlers+0xb3e6/0xb450 net/mac80211/rx.c:4160
ieee80211_invoke_rx_handlers net/mac80211/rx.c:4182 [inline]
ieee80211_prepare_and_rx_handle+0x27de/0x6080 net/mac80211/rx.c:5040
ieee80211_rx_for_interface net/mac80211/rx.c:5125 [inline]
__ieee80211_rx_handle_packet net/mac80211/rx.c:5298 [inline]
ieee80211_rx_list+0x28d4/0x3240 net/mac80211/rx.c:5437
ieee80211_rx_napi+0x1ae/0x3c0 net/mac80211/rx.c:5460
ieee80211_rx include/net/mac80211.h:4971 [inline]
ieee80211_handle_queued_frames+0x105/0x190 net/mac80211/main.c:319
tasklet_action_common+0x2d4/0x460 kernel/softirq.c:809
handle_softirqs+0x27d/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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:kasan_check_range+0x1ba/0x290 mm/kasan/generic.c:-1
Code: 49 01 dc 4d 01 f3 49 8d 5c 24 07 4d 85 e4 49 0f 49 dc 48 83 e3 f8 49 29 dc 74 0e 41 80 3b 00 75 6b 49 ff c3 49 ff cc 75 f2 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 45 84 ff 0f 85 91 00 00 00 41 f7 c7
RSP: 0018:ffffc9000348f730 EFLAGS: 00000256
RAX: 1ffff1100523b001 RBX: ffff8880291d9658 RCX: ffffffff815d4953
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88802f285580
RBP: ffffc9000348f7b0 R08: ffff88802f285583 R09: 1ffff11005e50ab0
R10: dffffc0000000000 R11: ffffed1005e50ab1 R12: 0000000000000001
R13: 1ffff110171c79a9 R14: ffffed1005e50ab1 R15: 1ffff11005e50ab0
instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
atomic_dec_and_test include/linux/atomic/atomic-instrumented.h:1375 [inline]
mmdrop include/linux/sched/mm.h:53 [inline]
mmdrop_sched include/linux/sched/mm.h:82 [inline]
mmdrop_lazy_tlb_sched include/linux/sched/mm.h:109 [inline]
finish_task_switch+0x323/0x8f0 kernel/sched/core.c:5280
context_switch kernel/sched/core.c:5384 [inline]
__schedule+0x15b6/0x4660 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+0x5bb/0x920 kernel/events/core.c:2951
__do_sys_perf_event_open kernel/events/core.c:12949 [inline]
__se_sys_perf_event_open+0x1841/0x1c60 kernel/events/core.c:12601
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe15359de59
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:00007fe1543d6028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fe153825fa0 RCX: 00007fe15359de59
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000000c0
RBP: 00007fe153633e6f R08: 0000000000000003 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe153826038 R14: 00007fe153825fa0 R15: 00007ffd4f186e48