rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (10131 ticks this GP) idle=a89c/1/0x4000000000000000 softirq=18198/18199 fqs=4414 rcu: hardirqs softirqs csw/system rcu: number: 1222774 0 0 rcu: cputime: 19827 32654 27 ==> 52490(ms) rcu: (t=10500 jiffies g=16121 q=8881 ncpus=2) CPU: 1 PID: 6612 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__ieee80211_queue_skb_to_iface net/mac80211/rx.c:234 [inline] RIP: 0010:ieee80211_queue_skb_to_iface net/mac80211/rx.c:243 [inline] RIP: 0010:ieee80211_rx_h_mgmt+0x514/0x6f0 net/mac80211/rx.c:3989 Code: 81 c5 b8 0b 00 00 48 89 ee e8 d8 b2 d7 ff 4d 85 ff 74 26 e8 ce 2f 9a f7 49 81 c7 80 0b 00 00 4c 89 f8 48 c1 e8 03 80 3c 18 00 <74> 08 4c 89 ff e8 02 8b f1 f7 49 ff 07 eb 05 e8 a8 2f 9a f7 31 c0 RSP: 0018:ffffc900001f0490 EFLAGS: 00000246 RAX: 1ffff1100fbad970 RBX: dffffc0000000000 RCX: ffff888018b1da00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888079101838 R08: ffffffff90da85e7 R09: 1ffffffff21b50bc R10: dffffc0000000000 R11: fffffbfff21b50bd R12: ffff888070b067d6 R13: 1ffff1100e160cfa R14: ffff888030568e60 R15: ffff88807dd6cb80 FS: 00007fd1ef38c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb8426028 CR3: 0000000023605000 CR4: 00000000003506e0 Call Trace: ieee80211_rx_handlers+0x64f0/0xb0c0 net/mac80211/rx.c:4147 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:ffffc90003a07938 EFLAGS: 00000282 RAX: f6c0c1916460cf00 RBX: 0000000000000000 RCX: f6c0c1916460cf00 RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6b00 RBP: ffffc90003a07990 R08: ffffffff90da860f R09: 1ffffffff21b50c1 R10: dffffc0000000000 R11: fffffbfff21b50c2 R12: ffff888018b1da00 R13: dffffc0000000000 R14: ffff88801be6bc00 R15: ffff8880b8f3ccc8 context_switch kernel/sched/core.c:5383 [inline] __schedule+0x14da/0x44d0 kernel/sched/core.c:6699 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6866 preempt_schedule+0xab/0xc0 kernel/sched/core.c:6890 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xfa/0x110 kernel/locking/spinlock.c:194 __do_sys_perf_event_open kernel/events/core.c:12916 [inline] __se_sys_perf_event_open+0x1802/0x1c20 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: 0033:0x7fd1ee58f6c9 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:00007fd1ef38c038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fd1ee7e5fa0 RCX: 00007fd1ee58f6c9 RDX: ffffbfffffffffff RSI: 0000000000000000 RDI: 0000200000000300 RBP: 00007fd1ee611f91 R08: 0000000000000002 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd1ee7e6038 R14: 00007fd1ee7e5fa0 R15: 00007fffab4c2628