rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10062 ticks this GP) idle=1c5c/1/0x4000000000000000 softirq=15708/15709 fqs=4755
rcu: hardirqs softirqs csw/system
rcu: number: 1224533 0 0
rcu: cputime: 18766 33723 32 ==> 52500(ms)
rcu: (t=10501 jiffies g=16481 q=1774 ncpus=2)
CPU: 1 PID: 7142 Comm: syz.2.364 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ieee80211_is_timing_measurement include/linux/ieee80211.h:4554 [inline]
RIP: 0010:ieee80211_rx_h_userspace_mgmt net/mac80211/rx.c:3805 [inline]
RIP: 0010:ieee80211_rx_handlers+0x5466/0xb0c0 net/mac80211/rx.c:4143
Code: 8b 44 24 50 42 80 3c 28 00 74 08 4c 89 e7 e8 91 c5 f9 f7 4d 8b 34 24 49 8d be d8 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 <74> 05 e8 73 c5 f9 f7 4d 8b be d8 00 00 00 4d 8d 66 70 4c 89 e0 48
RSP: 0018:ffffc900001f04c0 EFLAGS: 00000246
RAX: 1ffff1100bfeeebb RBX: ffff88805ff77500 RCX: ffff888078508000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff88805ff775d8
RBP: ffffc900001f0790 R08: ffff88807a308e7f R09: 1ffff1100f4611cf
R10: dffffc0000000000 R11: ffffed100f4611d0 R12: ffffc900001f0aa8
R13: dffffc0000000000 R14: ffff88805ff77500 R15: 000000000024cde0
FS: 00007fdf0dfcb6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000005ca1d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
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+0x28ae/0x31f0 net/mac80211/rx.c:5432
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:preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:7009
Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 63 bf 01 00 00 00 e8 8b b3 eb f6 e8 26 3a 1c f7 fb bf 01 00 00 00 db b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90004acfae0 EFLAGS: 00000282
RAX: efa913cad175cf00 RBX: 0000000000000000 RCX: efa913cad175cf00
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001
RBP: ffffc90004acfb80 R08: ffffffff90d945a7 R09: 1ffffffff21b28b4
R10: dffffc0000000000 R11: fffffbfff21b28b5 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000959f5c
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:arch_atomic64_read arch/x86/include/asm/atomic64_64.h:-1 [inline]
RIP: 0010:raw_atomic64_read include/linux/atomic/atomic-arch-fallback.h:2556 [inline]
RIP: 0010:raw_atomic_long_read include/linux/atomic/atomic-long.h:38 [inline]
RIP: 0010:atomic_long_read include/linux/atomic/atomic-instrumented.h:3161 [inline]
RIP: 0010:__mutex_unlock_slowpath+0xea/0x6a0 kernel/locking/mutex.c:916
Code: bc f7 6c f7 4c 89 f0 48 c1 e8 03 48 89 44 24 08 42 80 3c 38 00 74 08 4c 89 f7 e8 e1 f5 6c f7 48 8d 9c 24 80 00 00 00 49 8b 06 <49> c7 c5 80 b4 e9 96 49 c1 ed 03 48 c7 c2 f0 55 4a 8e 48 c1 ea 03
RSP: 0018:ffffc90004acfc40 EFLAGS: 00000246
RAX: ffff888078508000 RBX: ffffc90004acfcc0 RCX: ffffffff8a7008b4
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88805e7e8840
RBP: ffffc90004acfd30 R08: ffff88805e7e8847 R09: 1ffff1100bcfd108
R10: dffffc0000000000 R11: ffffed100bcfd109 R12: 1ffff92000959f8c
R13: ffffc90004acfca0 R14: ffff88805e7e8840 R15: dffffc0000000000
__do_sys_perf_event_open kernel/events/core.c:12918 [inline]
__se_sys_perf_event_open+0x180c/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: 0033:0x7fdf0d18f749
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:00007fdf0dfcb038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fdf0d3e5fa0 RCX: 00007fdf0d18f749
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007fdf0d213f91 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdf0d3e6038 R14: 00007fdf0d3e5fa0 R15: 00007ffd4ef1db98