------------[ cut here ]------------ WARNING: CPU: 0 PID: 5483 at net/mac80211/tx.c:5034 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5034 [inline] WARNING: CPU: 0 PID: 5483 at net/mac80211/tx.c:5034 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5029 [inline] WARNING: CPU: 0 PID: 5483 at net/mac80211/tx.c:5034 __ieee80211_beacon_get+0x14aa/0x16b0 net/mac80211/tx.c:5461 Modules linked in: CPU: 0 PID: 5483 Comm: syz-executor309 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5034 [inline] RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5029 [inline] RIP: 0010:__ieee80211_beacon_get+0x14aa/0x16b0 net/mac80211/tx.c:5461 Code: 00 89 df 44 89 e6 e8 35 c2 40 f7 44 38 e3 72 a3 e8 6b c8 40 f7 48 89 ef e8 53 64 91 f7 31 ed e9 9e fe ff ff e8 57 c8 40 f7 90 <0f> 0b 90 e9 88 f6 ff ff 48 89 c6 48 c7 c7 e0 bb 6e 8f 48 89 04 24 RSP: 0018:ffffc90000007b90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8a4d6a62 RDX: ffff8880292fda00 RSI: ffffffff8a4d73d9 RDI: 0000000000000001 RBP: ffffc90000007c40 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: ffff88802bcc6000 R13: 0000000000000041 R14: ffff88802e538ca0 R15: ffff88802e53a750 FS: 00007efd9bd126c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000203c5030 CR3: 000000005737e000 CR4: 0000000000350ef0 Call Trace: ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5588 ieee80211_beacon_get include/net/mac80211.h:5552 [inline] mac80211_hwsim_beacon_tx+0x48d/0x880 drivers/net/wireless/virtual/mac80211_hwsim.c:2296 __iterate_interfaces+0x2d5/0x580 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:808 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2326 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x20f/0xc20 kernel/time/hrtimer.c:1756 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1773 __do_softirq+0x21b/0x8de kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0xb9/0x120 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 f6 96 95 f6 48 89 df e8 5e 12 96 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 e5 5f 87 f6 65 8b 05 46 e4 2c 75 85 c0 74 16 5b RSP: 0018:ffffc900093a7718 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffff88802b30f900 RCX: 1ffffffff27bfb83 RDX: 0000000000000000 RSI: ffffffff8b0cc880 RDI: ffffffff8b6eb4e0 RBP: 0000000000000293 R08: 0000000000000001 R09: fffffbfff27b7844 R10: ffffffff93dbc227 R11: 0000000000000001 R12: ffff88802b30f8e8 R13: ffff88802c379dc0 R14: 0000000000000293 R15: ffffc900093a78b8 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __skb_try_recv_datagram+0x177/0x4f0 net/core/datagram.c:266 __unix_dgram_recvmsg+0x1d1/0x1000 net/unix/af_unix.c:2429 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2531 sock_recvmsg_nosec net/socket.c:1046 [inline] ____sys_recvmsg+0x601/0x6b0 net/socket.c:2801 ___sys_recvmsg+0x115/0x1a0 net/socket.c:2845 do_recvmmsg+0x2ba/0x750 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x239/0x290 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7efd9bd7e8a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1a 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efd9bd12228 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007efd9be0e1f8 RCX: 00007efd9bd7e8a9 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007efd9be0e1f0 R08: 0000000000000000 R09: 00007efd9bd126c0 R10: 0000000000000002 R11: 0000000000000246 R12: 00007efd9be0e1fc R13: 00007efd9bdd4690 R14: 0031313230386c6e R15: 00007ffff70a52d8 ---------------- Code disassembly (best guess): 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 f6 96 95 f6 call 0xf6959709 13: 48 89 df mov %rbx,%rdi 16: e8 5e 12 96 f6 call 0xf6961279 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 23 jne 0x46 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 37 jne 0x61 * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 e5 5f 87 f6 call 0xf6876019 34: 65 8b 05 46 e4 2c 75 mov %gs:0x752ce446(%rip),%eax # 0x752ce481 3b: 85 c0 test %eax,%eax 3d: 74 16 je 0x55 3f: 5b pop %rbx