------------[ cut here ]------------ WARNING: CPU: 1 PID: 6360 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline] WARNING: CPU: 1 PID: 6360 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442 Modules linked in: CPU: 1 PID: 6360 Comm: syz.1.62 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline] RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442 Code: 24 4c 89 e7 e8 0e 88 d4 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 19 65 97 f7 0f 0b e9 f6 f7 ff ff e8 0d 65 97 f7 <0f> 0b e9 48 fb ff ff e8 01 65 97 f7 48 c7 c7 a0 09 24 8e 4c 89 e6 RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246 RAX: ffffffff89ee2a93 RBX: ffffffff89ee1896 RCX: ffff888057200000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff888057200000 R09: 0000000000000003 R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805db963c0 R13: dffffc0000000000 R14: ffff88805db968b0 R15: ffff88805dd97824 FS: 00007fad8d63e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000f038 CR3: 0000000077008000 CR4: 00000000003506e0 Call Trace: ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569 ieee80211_beacon_get include/net/mac80211.h:5440 [inline] mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 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 e9 f6 04 00 00 4c 8b 75 d0 4c 89 e7 e8 20 54 1b 09 e8 ab a6 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:ffffc9000c596ab8 EFLAGS: 00000286 RAX: 2739c589b1d37700 RBX: 0000000000000000 RCX: 2739c589b1d37700 RDX: dffffc0000000000 RSI: ffffffff8aaaba20 RDI: ffffffff8afc7040 RBP: ffffc9000c596b10 R08: ffffffff8e4a8f2f R09: 1ffffffff1c951e5 R10: dffffc0000000000 R11: fffffbfff1c951e6 R12: ffff888057200000 R13: dffffc0000000000 R14: ffff8880293d8000 R15: ffff8880b8f3cf08 context_switch kernel/sched/core.c:5383 [inline] __schedule+0x14da/0x44d0 kernel/sched/core.c:6699 preempt_schedule_irq+0xb5/0x140 kernel/sched/core.c:7009 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:692 RIP: 0010:__asan_memset+0x0/0x40 mm/kasan/shadow.c:83 Code: 00 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 89 f6 48 8b 0c 24 ba 01 00 00 00 e9 bc ea ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 55 41 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 RSP: 0018:ffffc9000c596e98 EFLAGS: 00000246 RAX: 1ffff11003be75d1 RBX: ffff88801df3ac00 RCX: 0000000000080000 RDX: 0000000000000020 RSI: 00000000000000ff RDI: ffff88801df3ad48 RBP: ffffc9000c597120 R08: ffff88801df3ae57 R09: 0000000000000000 R10: ffff88801df3ae48 R11: ffffed1003be75cb R12: dffffc0000000000 R13: ffff888060d98000 R14: ffff88801df3ae10 R15: dffffc0000000000 xfrm_state_alloc+0x1b0/0x2a0 net/xfrm/xfrm_state.c:677 xfrm_state_find+0x2944/0x4510 net/xfrm/xfrm_state.c:1303 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2502 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2547 [inline] xfrm_resolve_and_create_bundle+0x727/0x2c20 net/xfrm/xfrm_policy.c:2841 xfrm_lookup_with_ifid+0x261/0x19c0 net/xfrm/xfrm_policy.c:3175 xfrm_lookup net/xfrm/xfrm_policy.c:3304 [inline] xfrm_lookup_route+0x3c/0x1b0 net/xfrm/xfrm_policy.c:3315 udp_sendmsg+0x15cf/0x2380 net/ipv4/udp.c:1236 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x5bf/0x950 net/socket.c:2595 ___sys_sendmsg+0x220/0x290 net/socket.c:2649 __sys_sendmmsg+0x275/0x4a0 net/socket.c:2735 __do_sys_sendmmsg net/socket.c:2764 [inline] __se_sys_sendmmsg net/socket.c:2761 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2761 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: 0033:0x7fad8c78ebe9 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:00007fad8d63e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fad8c9c6180 RCX: 00007fad8c78ebe9 RDX: 000000000800001d RSI: 0000200000007fc0 RDI: 0000000000000009 RBP: 00007fad8c811e19 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000001c R11: 0000000000000246 R12: 0000000000000000 R13: 00007fad8c9c6218 R14: 00007fad8c9c6180 R15: 00007ffde06b0cd8 ---------------- Code disassembly (best guess): 0: 0f 84 37 01 00 00 je 0x13d 6: 48 85 db test %rbx,%rbx 9: 0f 85 56 01 00 00 jne 0x165 f: e9 f6 04 00 00 jmp 0x50a 14: 4c 8b 75 d0 mov -0x30(%rbp),%r14 18: 4c 89 e7 mov %r12,%rdi 1b: e8 20 54 1b 09 call 0x91b5440 20: e8 ab a6 2f 00 call 0x2fa6d0 25: fb sti 26: 4c 8b 65 c0 mov -0x40(%rbp),%r12 * 2a: 49 8d bc 24 f8 15 00 lea 0x15f8(%r12),%rdi <-- trapping instruction 31: 00 32: 48 89 f8 mov %rdi,%rax 35: 48 c1 e8 03 shr $0x3,%rax 39: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax 3e: 84 c0 test %al,%al