------------[ cut here ]------------ WARNING: CPU: 1 PID: 31743 at net/mac80211/rx.c:5212 ieee80211_rx_list+0x20e0/0x2bc0 net/mac80211/rx.c:5212 Modules linked in: CPU: 1 PID: 31743 Comm: syz.3.10362 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:ieee80211_rx_list+0x20e0/0x2bc0 net/mac80211/rx.c:5212 Code: 0f 0b e9 2d e3 ff ff e8 6e e6 e7 f7 0f 0b eb 1c e8 65 e6 e7 f7 eb 15 e8 5e e6 e7 f7 eb 0e e8 57 e6 e7 f7 eb 07 e8 50 e6 e7 f7 <0f> 0b 49 bd 00 00 00 00 00 fc ff df e9 f9 e2 ff ff e8 3a e6 e7 f7 RSP: 0018:ffffc900001e09e0 EFLAGS: 00010246 RAX: ffffffff8998e8a0 RBX: ffff888054150908 RCX: ffff8880730b0000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffffc900001e0bf0 R08: dffffc0000000000 R09: fffffbfff215c449 R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: 1ffff1100fab6abb R13: ffff888054153368 R14: ffff8880541515dd R15: ffff88807d5b5500 FS: 00007faba5f4a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2ccdcf CR3: 000000002078e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ieee80211_rx_napi+0x1a6/0x3c0 net/mac80211/rx.c:5313 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:check_kcov_mode kernel/kcov.c:193 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 kernel/kcov.c:216 Code: 44 a0 81 7e 65 8b 15 45 a0 81 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 <83> fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc RSP: 0018:ffffc9000e96f810 EFLAGS: 00000246 RAX: ffffffff81db10b6 RBX: dffffc0000000000 RCX: ffff8880730b0000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffffbfff1c3eee6 R10: fffffbfff1c3eee6 R11: 1ffffffff1c3eee5 R12: 00fff00000000000 R13: 0000000000000000 R14: ffffea0001d8cc80 R15: dead000000000100 arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] page_fixed_fake_head include/linux/page-flags.h:216 [inline] _compound_head include/linux/page-flags.h:257 [inline] PageSlab include/linux/page-flags.h:487 [inline] __page_table_check_zero+0xe6/0x4b0 mm/page_table_check.c:144 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x1a26/0x1ac0 mm/page_alloc.c:4328 __alloc_pages+0x1df/0x4e0 mm/page_alloc.c:5614 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] pcpu_alloc_pages mm/percpu-vm.c:95 [inline] pcpu_populate_chunk+0x16c/0xb80 mm/percpu-vm.c:285 pcpu_alloc+0xd65/0x1a30 mm/percpu.c:1862 bpf_map_alloc_percpu+0xb5/0x1a0 kernel/bpf/syscall.c:498 bpf_array_alloc_percpu kernel/bpf/arraymap.c:38 [inline] array_map_alloc+0x376/0x6f0 kernel/bpf/arraymap.c:152 find_and_alloc_map kernel/bpf/syscall.c:133 [inline] map_create+0x534/0x1000 kernel/bpf/syscall.c:1149 __sys_bpf+0x2f3/0x6d0 kernel/bpf/syscall.c:5009 __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: 0033:0x7faba518eec9 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:00007faba5f4a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007faba53e5fa0 RCX: 00007faba518eec9 RDX: 0000000000000048 RSI: 0000200000000b00 RDI: 2000000000000000 RBP: 00007faba5211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007faba53e6038 R14: 00007faba53e5fa0 R15: 00007ffd685f5fb8 ---------------- Code disassembly (best guess): 0: 44 a0 81 7e 65 8b 15 rex.R movabs 0x81a045158b657e81,%al 7: 45 a0 81 a: 7e 81 jle 0xffffff8d c: e2 00 loop 0xe e: 01 ff add %edi,%edi 10: 00 74 11 81 add %dh,-0x7f(%rcx,%rdx,1) 14: fa cli 15: 00 01 add %al,(%rcx) 17: 00 00 add %al,(%rax) 19: 75 35 jne 0x50 1b: 83 b9 1c 16 00 00 00 cmpl $0x0,0x161c(%rcx) 22: 74 2c je 0x50 24: 8b 91 f8 15 00 00 mov 0x15f8(%rcx),%edx * 2a: 83 fa 02 cmp $0x2,%edx <-- trapping instruction 2d: 75 21 jne 0x50 2f: 48 8b 91 00 16 00 00 mov 0x1600(%rcx),%rdx 36: 48 8b 32 mov (%rdx),%rsi 39: 48 8d 7e 01 lea 0x1(%rsi),%rdi 3d: 8b .byte 0x8b 3e: 89 fc mov %edi,%esp