------------[ cut here ]------------ WARNING: CPU: 1 PID: 11525 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 1 PID: 11525 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Modules linked in: CPU: 1 UID: 0 PID: 11525 Comm: syz.1.1479 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] RIP: 0010:__ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Code: e8 13 0f 64 f6 eb 0d e8 0c 0f 64 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 2c 45 bc f6 45 31 ed e9 4c fe ff ff e8 ef 0e 64 f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 e1 0e 64 f6 90 0f 0b 90 e9 e8 f8 ff ff RSP: 0018:ffffc90000a189e0 EFLAGS: 00010246 RAX: ffffffff8b3b64b1 RBX: 0000000000000000 RCX: ffff88805045da00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8b3b5bad R09: ffffffff8b3b55b0 R10: 0000000000000003 R11: ffff88805045da00 R12: ffff88805a486500 R13: ffff88805a8fc400 R14: ffff88805a4869d0 R15: ffff88805a484d80 FS: 00007f4d64cff6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020016030 CR3: 0000000028e0a000 CR4: 00000000003526f0 Call Trace: ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5635 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:758 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 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:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5243 Code: c9 50 e8 59 0c 0c 00 48 83 c4 08 4c 89 f7 e8 ed 39 00 00 e9 de 04 00 00 4c 89 f7 e8 50 b8 54 0a e8 eb 8a 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc RSP: 0018:ffffc900034a7308 EFLAGS: 00000286 RAX: 33669934e4d42800 RBX: ffff88805045da00 RCX: ffffffff81a72b9c RDX: dffffc0000000000 RSI: ffffffff8c5edb40 RDI: ffffffff816ea1b5 RBP: ffffc900034a7350 R08: ffffffff901851b7 R09: 1ffffffff2030a36 R10: dffffc0000000000 R11: fffffbfff2030a37 R12: 1ffff110170e7eac R13: dffffc0000000000 R14: ffff8880b873e740 R15: ffff8880b873f560 context_switch kernel/sched/core.c:5372 [inline] __schedule+0x1803/0x4be0 kernel/sched/core.c:6756 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707 RIP: 0010:__skb_try_recv_datagram+0x0/0x6a0 net/core/datagram.c:245 Code: 0f 8c cf fe ff ff 4c 89 ff e8 bc f5 7a f8 e9 c2 fe ff ff 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 RSP: 0018:ffffc900034a76f8 EFLAGS: 00000297 RAX: 0000000000000004 RBX: dffffc0000000000 RCX: ffffc900034a7840 RDX: 0000000000000002 RSI: ffff88804ec63268 RDI: ffff88804ec63180 RBP: ffffc900034a78b0 R08: ffffc900034a7850 R09: ffffc900034a7800 R10: dffffc0000000000 R11: fffffbfff2030a37 R12: 1ffff92000694f04 R13: dffffc0000000000 R14: 1ffff92000694f00 R15: ffff88804ec63268 __unix_dgram_recvmsg+0x3ba/0x12f0 net/unix/af_unix.c:2436 sock_recvmsg_nosec+0x18e/0x1d0 net/socket.c:1033 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2801 ___sys_recvmsg net/socket.c:2845 [inline] do_recvmmsg+0x426/0xab0 net/socket.c:2940 __sys_recvmmsg net/socket.c:3014 [inline] __do_sys_recvmmsg net/socket.c:3037 [inline] __se_sys_recvmmsg net/socket.c:3030 [inline] __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3030 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: 0033:0x7f4d63f85d29 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:00007f4d64cff038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f4d64176080 RCX: 00007f4d63f85d29 RDX: 03fffffffffffcb5 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f4d64001aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f4d64176080 R15: 00007ffe17eeac38 ---------------- Code disassembly (best guess): 0: c9 leave 1: 50 push %rax 2: e8 59 0c 0c 00 call 0xc0c60 7: 48 83 c4 08 add $0x8,%rsp b: 4c 89 f7 mov %r14,%rdi e: e8 ed 39 00 00 call 0x3a00 13: e9 de 04 00 00 jmp 0x4f6 18: 4c 89 f7 mov %r14,%rdi 1b: e8 50 b8 54 0a call 0xa54b870 20: e8 eb 8a 38 00 call 0x388b10 25: fb sti 26: 48 8b 5d c0 mov -0x40(%rbp),%rbx * 2a: 48 8d bb f8 15 00 00 lea 0x15f8(%rbx),%rdi <-- trapping instruction 31: 48 89 f8 mov %rdi,%rax 34: 48 c1 e8 03 shr $0x3,%rax 38: 49 rex.WB 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah