rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2670 jiffies s: 110913 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 23334 Comm: syz.2.5265 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x7a/0x80 kernel/kcov.c:322 Code: c1 e1 05 4c 8d 51 28 4d 39 ca 77 1e 49 ff c0 4c 89 02 48 c7 44 0a 08 07 00 00 00 48 89 7c 0a 10 48 89 74 0a 18 48 89 44 0a 20 0f 1f 44 00 00 48 8b 4e 08 48 83 c1 f8 48 c1 c1 3d 48 83 f9 07 RSP: 0018:ffffc900000072c8 EFLAGS: 00000046 RAX: ffffffff81a2d8a7 RBX: 0000000000000000 RCX: ffff88807b580000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007680 R08: dffffc0000000000 R09: ffffc90000007460 R10: fffff52000000e93 R11: 1ffff92000000e8c R12: ffffc900000074c6 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888048b0f200 FS: 00007f13273e76c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c309fc2 CR3: 0000000066bbd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __perf_event_header__init_id+0x417/0x530 kernel/events/core.c:7028 perf_prepare_sample+0x18b/0x2040 kernel/events/core.c:7536 __perf_event_output kernel/events/core.c:7730 [inline] perf_event_output_forward+0x163/0x2a0 kernel/events/core.c:7750 __perf_event_overflow+0x448/0x610 kernel/events/core.c:9496 perf_swevent_overflow kernel/events/core.c:9572 [inline] perf_swevent_event+0x4ad/0x530 kernel/events/core.c:9610 perf_tp_event+0x335/0xb60 kernel/events/core.c:10029 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10002 perf_trace_preemptirq_template+0x287/0x330 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728 RIP: 0010:rcu_read_unlock_special+0x84/0x500 kernel/rcu/tree_plugin.h:685 Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 0d 93 96 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b RSP: 0018:ffffc90000007ac0 EFLAGS: 00000206 RAX: 53ee95d5bb87fa00 RBX: 1ffff92000000f60 RCX: 53ee95d5bb87fa00 RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: ffffffff8adef3a0 RBP: ffffc90000007bc0 R08: dffffc0000000000 R09: fffffbfff215c44a R10: fffffbfff215c44a R11: 1ffffffff215c449 R12: 0000000000000246 R13: dffffc0000000000 R14: ffff8880b8e3b900 R15: 0000000000000001 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426 rcu_read_unlock include/linux/rcupdate.h:823 [inline] ieee80211_rx_napi+0x219/0x3c0 net/mac80211/rx.c:5330 ieee80211_rx include/net/mac80211.h:4846 [inline] ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:317 tasklet_action_common+0x298/0x400 kernel/softirq.c:826 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:find_va_links mm/vmalloc.c:916 [inline] RIP: 0010:insert_vmap_area+0x114/0x2f0 mm/vmalloc.c:1100 Code: 08 4c 89 ff e8 4d d1 0c 00 4d 8b 27 4d 85 e4 0f 84 92 00 00 00 e8 9c a2 bc ff 4c 89 e3 49 89 ed 48 8b 6c 24 08 e9 4f ff ff ff <4c> 8d 7b 10 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 RSP: 0018:ffffc900035276f8 EFLAGS: 00000287 RAX: ffffffff81c42ffb RBX: ffff8880275d2550 RCX: ffff88807b580000 RDX: 0000000000000002 RSI: ffffc90003500000 RDI: ffffc900034bf000 RBP: ffffc900034bf000 R08: 0000000000000004 R09: 0000000000000003 R10: fffff520006a4ed8 R11: 1ffff920006a4ed8 R12: ffff8880275d2550 R13: dffffc0000000000 R14: ffff88805594c660 R15: ffffc90003500000 alloc_vmap_area+0x16c4/0x1880 mm/vmalloc.c:1647 __get_vm_area_node+0x158/0x330 mm/vmalloc.c:2513 __vmalloc_node_range+0x357/0x1390 mm/vmalloc.c:3203 __vmalloc_node mm/vmalloc.c:3308 [inline] __vmalloc+0x76/0x80 mm/vmalloc.c:3322 bpf_prog_alloc_no_stats+0x3a/0x3a0 kernel/bpf/core.c:92 bpf_prog_alloc+0x1c/0x1b0 kernel/bpf/core.c:130 bpf_prog_load+0x7b6/0x15a0 kernel/bpf/syscall.c:2594 __sys_bpf+0x520/0x6d0 kernel/bpf/syscall.c:5027 __do_sys_bpf kernel/bpf/syscall.c:5131 [inline] __se_sys_bpf kernel/bpf/syscall.c:5129 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5129 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f132658efc9 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:00007f13273e7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f13267e5fa0 RCX: 00007f132658efc9 RDX: 0000000000000094 RSI: 0000200000000540 RDI: 0000000000000005 RBP: 00007f1326611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f13267e6038 R14: 00007f13267e5fa0 R15: 00007ffc33664d58