------------[ cut here ]------------
WARNING: CPU: 0 PID: 4635 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1abc/0x2110 net/mac80211/tx.c:5255
Modules linked in:
CPU: 0 PID: 4635 Comm: syz.3.68 Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1abc/0x2110 net/mac80211/tx.c:5255
Code: ff ff ff e8 a6 7f 50 f7 0f 0b 48 8b 7c 24 20 e8 ea 31 66 fe e9 6f e8 ff ff e8 90 7f 50 f7 0f 0b e9 92 ed ff ff e8 84 7f 50 f7 <0f> 0b e9 26 f1 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c fc e8
vkms_vblank_simulate: vblank timer overrun
RSP: 0018:ffffc90000007820 EFLAGS: 00010246
RAX: ffffffff8a3a1d1c RBX: 0000000000000000 RCX: ffff888027ca8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007a30 R08: ffffffff8a3a0e3c R09: ffffffff8a3a0642
R10: 0000000000000003 R11: ffff888027ca8000 R12: dffffc0000000000
R13: 1ffff92000000f1c R14: ffff88801e3fe258 R15: ffffffff8a3a0310
FS:  00007fcecad3f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d20572f98 CR3: 0000000055b26000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb1/0x5d0 net/mac80211/tx.c:5342
 ieee80211_beacon_get include/net/mac80211.h:5249 [inline]
 mac80211_hwsim_beacon_tx+0x1d2/0xaa0 drivers/net/wireless/mac80211_hwsim.c:2086
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd4/0x170 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xd0/0x1e0 drivers/net/wireless/mac80211_hwsim.c:2142
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1770
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__sanitizer_cov_trace_pc+0x58/0x60 kernel/kcov.c:234
Code: 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 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 <c3> 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 15 34 d2 77 7e 65 8b
RSP: 0018:ffffc90005527a98 EFLAGS: 00000283
RAX: ffffffff889dc888 RBX: 0000000000000002 RCX: 0000000000080000
RDX: ffffc9000f193000 RSI: 000000000005e3d4 RDI: 000000000005e3d5
RBP: ffffc90005527e50 R08: ffffffff889dc851 R09: fffffbfff1d364e6
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000096b
R13: 1ffff92000aa4f80 R14: 00000000ffffffff R15: dffffc0000000000
 do_recvmmsg+0x848/0xad0 net/socket.c:2861
 __sys_recvmmsg net/socket.c:2953 [inline]
 __do_sys_recvmmsg net/socket.c:2976 [inline]
 __se_sys_recvmmsg net/socket.c:2969 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2969
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fcec9f8cda9
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:00007fcecad3f038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fceca1a6080 RCX: 00007fcec9f8cda9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fceca00e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fceca1a6080 R15: 00007ffee4510548
 </TASK>
----------------
Code disassembly (best guess):
   0:	f8                   	clc
   1:	15 00 00 83 fa       	adc    $0xfa830000,%eax
   6:	02 75 21             	add    0x21(%rbp),%dh
   9:	48 8b 91 00 16 00 00 	mov    0x1600(%rcx),%rdx
  10:	48 8b 32             	mov    (%rdx),%rsi
  13:	48 8d 7e 01          	lea    0x1(%rsi),%rdi
  17:	8b 89 fc 15 00 00    	mov    0x15fc(%rcx),%ecx
  1d:	48 39 cf             	cmp    %rcx,%rdi
  20:	73 08                	jae    0x2a
  22:	48 89 3a             	mov    %rdi,(%rdx)
  25:	48 89 44 f2 08       	mov    %rax,0x8(%rdx,%rsi,8)
* 2a:	c3                   	ret <-- trapping instruction
  2b:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  32:	4c 8b 04 24          	mov    (%rsp),%r8
  36:	65 48 8b 15 34 d2 77 	mov    %gs:0x7e77d234(%rip),%rdx        # 0x7e77d272
  3d:	7e
  3e:	65                   	gs
  3f:	8b                   	.byte 0x8b