watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.2.110:5824] Modules linked in: irq event stamp: 10840835 hardirqs last enabled at (10840834): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (10840835): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (10758618): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (10758618): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (10758618): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (10758621): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (10758621): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (10758621): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 1 UID: 0 PID: 5824 Comm: syz.2.110 Not tainted 6.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:cfg80211_rx_mgmt_ext+0x1c0/0x610 net/wireless/mlme.c:959 Code: 89 fb c1 eb 04 83 e3 0f 48 8b 44 24 10 48 8d 6c 85 02 48 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 f4 02 00 00 0f b7 45 00 01 00 00 00 89 d9 d3 e5 21 c5 31 ff 48 89 ee e8 1b 9c 74 f6 85 RSP: 0018:ffffc90000a18388 EFLAGS: 00000246 RAX: 0000000000003810 RBX: 0000000000000008 RCX: ffff88802d320000 RDX: 0000000000000100 RSI: ffffffff8c6101c0 RDI: ffffffff8c610180 RBP: ffffffff8d2a0986 R08: ffffffff8b20501f R09: 1ffffffff2039fd5 R10: dffffc0000000000 R11: fffffbfff2039fd6 R12: dffffc0000000000 R13: 0000000000000001 R14: ffff888011e9de50 R15: 0000000000000080 FS: 00007f9baf9626c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020034000 CR3: 0000000026004000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_rx_h_userspace_mgmt net/mac80211/rx.c:3872 [inline] ieee80211_rx_handlers+0x6722/0xb830 net/mac80211/rx.c:4204 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4238 [inline] ieee80211_prepare_and_rx_handle+0x31ab/0x6360 net/mac80211/rx.c:5086 __ieee80211_rx_handle_packet net/mac80211/rx.c:5327 [inline] ieee80211_rx_list+0x2ce0/0x3780 net/mac80211/rx.c:5462 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5485 ieee80211_rx include/net/mac80211.h:5138 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:439 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:784 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:find_next_bit include/linux/find.h:66 [inline] RIP: 0010:smp_call_function_many_cond+0x2466/0x2ca0 kernel/smp.c:880 Code: ff ff 48 8b 4c 24 78 80 e1 07 fe c1 38 c1 0f 8c 79 ff ff ff 48 8b 7c 24 78 e8 26 a9 75 00 e9 6a ff ff ff e8 8c e4 0b 00 eb 0c 85 e4 0b 00 eb 05 e8 7e e4 0b 00 48 c7 84 24 40 01 00 00 0e 36 RSP: 0018:ffffc900030ff580 EFLAGS: 00010246 RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffff88802d320000 RDX: ffffc9001645d000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900030ff780 R08: ffffffff8188f82a R09: 1ffffffff2859300 R10: dffffc0000000000 R11: fffffbfff2859301 R12: dffffc0000000000 R13: ffff8880b873fc80 R14: ffff8880b873fc88 R15: 0000000000000001 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2085 [inline] text_poke_bp_batch+0x726/0xb30 arch/x86/kernel/alternative.c:2357 text_poke_flush arch/x86/kernel/alternative.c:2486 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2493 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 tracepoint_add_func+0x953/0x9e0 kernel/tracepoint.c:361 tracepoint_probe_register_prio kernel/tracepoint.c:511 [inline] tracepoint_probe_register+0x105/0x160 kernel/tracepoint.c:531 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x478/0x930 kernel/trace/trace_event_perf.c:202 perf_trace_init+0x243/0x2e0 kernel/trace/trace_event_perf.c:226 perf_tp_event_init+0x8d/0x110 kernel/events/core.c:10357 perf_try_init_event+0x146/0x810 kernel/events/core.c:11891 perf_init_event kernel/events/core.c:11977 [inline] perf_event_alloc+0x135f/0x2310 kernel/events/core.c:12259 __do_sys_perf_event_open kernel/events/core.c:12766 [inline] __se_sys_perf_event_open+0xb1f/0x3870 kernel/events/core.c:12657 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9baeb7dff9 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:00007f9baf962038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f9baed35f80 RCX: 00007f9baeb7dff9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007f9baebf0296 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9baed35f80 R15: 00007ffd77d474b8 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5826 Comm: syz.3.107 Not tainted 6.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:asm_sysvec_apic_timer_interrupt+0x0/0x20 arch/x86/include/asm/idtentry.h:702 Code: 56 41 e6 ff e9 71 06 00 00 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 21 05 00 00 48 89 c4 48 89 e7 e8 66 40 e6 ff e9 51 06 00 00 90 0f 1e fa 0f 01 ca fc 6a ff e8 01 05 00 00 48 89 c4 48 89 e7 e8 RSP: 0018:ffffc900030ef268 EFLAGS: 00000046 RAX: 1ffff11027fff4de RBX: ffff88813fffa6f0 RCX: ffff88802d323c00 RDX: 0000000000000000 RSI: 0000000001a9ba40 RDI: 000000ffffffffc0 RBP: 00000000000001a0 R08: ffffffff820b7cbe R09: 1ffffffff2859300 R10: dffffc0000000000 R11: fffffbfff2859301 R12: 000000000006a6e9 R13: 1ffff1100558da79 R14: ffffffff820b7bf0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fea8fd07ab8 CR3: 000000000e734000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RIP: 0010:lookup_page_ext mm/page_ext.c:252 [inline] RIP: 0010:page_ext_get+0x180/0x2a0 mm/page_ext.c:526 Code: 83 e5 7f 48 c1 e5 05 48 01 eb eb 0e e8 a9 6a 89 ff eb 05 e8 a2 6a 89 ff 31 db 48 83 c3 10 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 df e8 76 2f f3 ff 4c 8b 3b e8 4e fc 6d ff 89 c3 31 ff RSP: 0018:ffffc900030ef290 EFLAGS: 00000246