------------[ cut here ]------------
WARNING: CPU: 1 PID: 8516 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1abc/0x2110 net/mac80211/tx.c:5255
Modules linked in:
CPU: 1 PID: 8516 Comm: syz.5.847 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
RSP: 0018:ffffc900001e0820 EFLAGS: 00010246
RAX: ffffffff8a3a1d1c RBX: 0000000000000000 RCX: ffff888026e9d940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e0a30 R08: ffffffff8a3a0e3c R09: ffffffff8a3a0642
R10: 0000000000000003 R11: ffff888026e9d940 R12: dffffc0000000000
R13: 1ffff9200003c11c R14: ffff888062b4a258 R15: ffffffff8a3a0310
FS:  00007fcd3e9ff6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007cf42000 CR4: 00000000003506e0
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+0x45/0x60 kernel/kcov.c:222
Code: 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 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 c3 0f 1f
RSP: 0018:ffffc9000c7c7978 EFLAGS: 00000246
RAX: ffffffff889d99b0 RBX: 0000000000000000 RCX: ffff888026e9d940
RDX: ffffc9000ff4f000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000c7c7a90 R08: ffffffff889d98ee R09: fffff520018f8f43
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc9000c7c79e0 R14: ffffc9000c7c7d28 R15: 1ffff920018f8fa5
 __copy_msghdr net/socket.c:2414 [inline]
 copy_msghdr_from_user+0x380/0x670 net/socket.c:2452
 recvmsg_copy_msghdr net/socket.c:2704 [inline]
 ___sys_recvmsg net/socket.c:2776 [inline]
 do_recvmmsg+0x408/0xad0 net/socket.c:2874
 __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: 0033:0x7fcd3eb8cd29
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:00007fcd3e9ff038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fcd3eda6080 RCX: 00007fcd3eb8cd29
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fcd3ec0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcd3eda6080 R15: 00007fff992547b8
 </TASK>
----------------
Code disassembly (best guess):
   0:	81 fa 00 01 00 00    	cmp    $0x100,%edx
   6:	75 35                	jne    0x3d
   8:	83 b9 1c 16 00 00 00 	cmpl   $0x0,0x161c(%rcx)
   f:	74 2c                	je     0x3d
  11:	8b 91 f8 15 00 00    	mov    0x15f8(%rcx),%edx
  17:	83 fa 02             	cmp    $0x2,%edx
  1a:	75 21                	jne    0x3d
  1c:	48 8b 91 00 16 00 00 	mov    0x1600(%rcx),%rdx
  23:	48 8b 32             	mov    (%rdx),%rsi
  26:	48 8d 7e 01          	lea    0x1(%rsi),%rdi
* 2a:	8b 89 fc 15 00 00    	mov    0x15fc(%rcx),%ecx <-- trapping instruction
  30:	48 39 cf             	cmp    %rcx,%rdi
  33:	73 08                	jae    0x3d
  35:	48 89 3a             	mov    %rdi,(%rdx)
  38:	48 89 44 f2 08       	mov    %rax,0x8(%rdx,%rsi,8)
  3d:	c3                   	ret
  3e:	0f                   	.byte 0xf
  3f:	1f                   	(bad)