rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (10461 ticks this GP) idle=57dc/1/0x4000000000000000 softirq=12172/12458 fqs=5129 rcu: hardirqs softirqs csw/system rcu: number: 1223743 0 0 rcu: cputime: 18975 33514 27 ==> 52500(ms) rcu: (t=10501 jiffies g=9889 q=2105 ncpus=2) CPU: 1 PID: 6044 Comm: syz.2.33 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline] RIP: 0010:__local_bh_enable_ip+0x136/0x1c0 kernel/softirq.c:413 Code: 8a e8 9e 50 1d 09 65 66 8b 05 86 24 b2 7e 66 85 c0 75 54 bf 01 00 00 00 e8 67 db 09 00 e8 32 5f 3a 00 fb 65 8b 05 52 24 b2 7e <85> c0 75 05 e8 71 08 af ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00 RSP: 0018:ffffc900001f0440 EFLAGS: 00000286 RAX: 0000000000000101 RBX: 0000000000000201 RCX: dc52692826f0f800 RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6b00 RBP: ffffc900001f04d0 R08: ffffffff90da860f R09: 1ffffffff21b50c1 R10: dffffc0000000000 R11: fffffbfff21b50c2 R12: ffffffff89eae888 R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff9200003e088 FS: 00007fa3a436a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ee63fff CR3: 0000000074f04000 CR4: 00000000003506e0 Call Trace: spin_unlock_bh include/linux/spinlock.h:396 [inline] ieee80211_rx_handlers+0xb048/0xb0c0 net/mac80211/rx.c:4155 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:raw_spin_rq_unlock_irq+0x13/0x90 kernel/sched/sched.h:1385 Code: 0f 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 42 0c 11 09 66 90 41 57 41 56 53 66 90 e8 74 b4 1a 09 e8 1f 32 2e 00 fb 5b <41> 5e 41 5f c3 f3 0f 1e fa 49 be 00 00 00 00 00 fc ff df 49 89 ff RSP: 0018:ffffc9000478f708 EFLAGS: 00000286 RAX: dc52692826f0f800 RBX: ffff8880b8f3cf48 RCX: dc52692826f0f800 RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6b00 RBP: ffffc9000478f910 R08: ffffffff90da860f R09: 1ffffffff21b50c1 R10: dffffc0000000000 R11: fffffbfff21b50c2 R12: dffffc0000000000 R13: ffff8880b8f3c200 R14: ffff888020e63c00 R15: ffff888020e63c00 __schedule+0x171e/0x44d0 kernel/sched/core.c:6703 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+0x0/0xc0 kernel/sched/core.c:6883 Code: 4c 89 f7 e8 82 d9 65 f7 eb af 66 0f 1f 00 bf 01 00 00 00 e8 82 5d e4 f6 e8 fd fd ff ff bf 01 00 00 00 e8 d3 5b e4 f6 c3 66 90 0f 1e fa 55 48 89 e5 41 56 53 48 83 e4 e0 48 83 ec 60 65 48 8b RSP: 0018:ffffc9000478fa80 EFLAGS: 00000293 RAX: ffffffff817aa3e4 RBX: 0000000000000000 RCX: ffff888020e63c00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000478fad0 R08: ffffffff90da860f R09: 1ffffffff21b50c1 R10: dffffc0000000000 R11: fffffbfff21b50c2 R12: 0000000000000000 R13: dffffc0000000000 R14: 1ffff920008f1f60 R15: 1ffff920008f1f60 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 smp_call_function_single+0x469/0x580 kernel/smp.c:652 task_function_call kernel/events/core.c:120 [inline] perf_install_in_context+0x591/0x8e0 kernel/events/core.c:2948 __do_sys_perf_event_open kernel/events/core.c:12915 [inline] __se_sys_perf_event_open+0x17fa/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: 0033:0x7fa3a358f6c9 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:00007fa3a436a038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa3a37e5fa0 RCX: 00007fa3a358f6c9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140 RBP: 00007fa3a3611f91 R08: 0000000000000002 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa3a37e6038 R14: 00007fa3a37e5fa0 R15: 00007ffd0e3428c8