rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (10500 ticks this GP) idle=bd2c/1/0x4000000000000000 softirq=17151/17151 fqs=4096 rcu: hardirqs softirqs csw/system rcu: number: 1136001 0 0 rcu: cputime: 21741 30738 37 ==> 52480(ms) rcu: (t=10500 jiffies g=17813 q=562 ncpus=2) CPU: 0 PID: 7273 Comm: syz.1.459 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xc0/0x120 kernel/locking/spinlock.c:194 Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 ab 35 c0 f6 65 8b 05 1c f3 66 75 85 c0 74 3c 48 c7 04 24 0e 36 RSP: 0018:ffffc90000007380 EFLAGS: 00000206 RAX: dffffc0000000004 RBX: 0000000000000a02 RCX: 151e49b6471c6300 RDX: dffffc0000000000 RSI: ffffffff8acacfe0 RDI: 0000000000000001 RBP: ffffc90000007410 R08: ffffffff91ff15ff R09: 1ffffffff23fe2bf R10: dffffc0000000000 R11: fffffbfff23fe2c0 R12: dffffc0000000000 R13: ffff8880255506b8 R14: ffff8880255506b8 R15: 1ffff92000000e70 FS: 00007fcc90d0c6c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 0000000030429000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] wiphy_work_queue+0x133/0x180 net/wireless/core.c:1640 __ieee80211_queue_skb_to_iface net/mac80211/rx.c:232 [inline] ieee80211_queue_skb_to_iface net/mac80211/rx.c:243 [inline] ieee80211_rx_h_mgmt+0x4f0/0x6e0 net/mac80211/rx.c:3996 ieee80211_rx_handlers+0x65b6/0xb450 net/mac80211/rx.c:4154 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4184 [inline] ieee80211_prepare_and_rx_handle+0x27de/0x6080 net/mac80211/rx.c:5042 ieee80211_rx_for_interface net/mac80211/rx.c:5127 [inline] __ieee80211_rx_handle_packet net/mac80211/rx.c:5300 [inline] ieee80211_rx_list+0x28d4/0x3240 net/mac80211/rx.c:5439 ieee80211_rx_napi+0x1ae/0x3c0 net/mac80211/rx.c:5462 ieee80211_rx include/net/mac80211.h:4974 [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:preempt_schedule_irq+0xba/0x150 kernel/sched/core.c:7011 Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 6f bf 01 00 00 00 e8 61 99 c1 f6 e8 9c a2 f2 f6 fb bf 01 00 00 00 31 b4 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f RSP: 0018:ffffc9000361fa60 EFLAGS: 00000286 RAX: 151e49b6471c6300 RBX: 0000000000000000 RCX: 151e49b6471c6300 RDX: dffffc0000000000 RSI: ffffffff8acacfe0 RDI: 0000000000000001 RBP: ffffc9000361fb10 R08: ffffffff91ff1607 R09: 1ffffffff23fe2c0 R10: dffffc0000000000 R11: fffffbfff23fe2c1 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920006c3f4c irqentry_exit+0x67/0x70 kernel/entry/common.c:441 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:get_current arch/x86/include/asm/current.h:41 [inline] RIP: 0010:write_comp_data kernel/kcov.c:240 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x8/0x90 kernel/kcov.c:309 Code: 08 03 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 15 90 23 7c 7e 65 8b 0d 91 23 7c 7e 81 e1 00 01 ff 00 74 RSP: 0018:ffffc9000361fbd8 EFLAGS: 00000246 RAX: ffffffff81b0433d RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc9000bb49000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000361fd30 R08: ffffffff91ff1607 R09: 1ffffffff23fe2c0 R10: dffffc0000000000 R11: fffffbfff23fe2c1 R12: dffffc0000000000 R13: 1ffff920006c3f88 R14: 0000000000000000 R15: ffffc9000361fc60 perf_install_in_context+0x63d/0x920 kernel/events/core.c:2958 __do_sys_perf_event_open kernel/events/core.c:12967 [inline] __se_sys_perf_event_open+0x1818/0x1d40 kernel/events/core.c:12609 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: 0033:0x7fcc8fd9e559 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:00007fcc90d0c028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fcc90025fa0 RCX: 00007fcc8fd9e559 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480 RBP: 00007fcc8fe35ad8 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcc90026038 R14: 00007fcc90025fa0 R15: 00007ffc9777f1b8