------------[ cut here ]------------
WARNING: CPU: 0 PID: 6766 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 0 PID: 6766 Comm: syz.2.681 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline]
RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Code: ff e8 e7 c9 b4 f7 0f 0b e9 4b fa ff ff e8 db c9 b4 f7 0f 0b e9 3b fe ff ff e8 cf c9 b4 f7 0f 0b e9 06 ee ff ff e8 c3 c9 b4 f7 <0f> 0b e9 91 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 2d ea
RSP: 0018:ffffc90000007840 EFLAGS: 00010246
RAX: ffffffff89cba9dd RBX: 0000000000000000 RCX: ffff888079f38000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007a70 R08: ffffffff89cb9a68 R09: ffffffff89cb943b
R10: 0000000000000003 R11: ffff888079f38000 R12: dffffc0000000000
R13: ffff88805f4a4c80 R14: ffff88805f4a6298 R15: 1ffff92000000f18
FS:  00007f5f0831a6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c27dee5 CR3: 0000000024823000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5194
 ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
 mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:iov_iter_init lib/iov_iter.c:515 [inline]
RIP: 0010:__import_iovec+0x352/0x4b0 lib/iov_iter.c:1976
Code: b6 04 30 84 c0 0f 85 1d 01 00 00 c6 02 00 48 8d 7a 01 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 20 01 00 00 c6 42 01 00 <48> 8d 7a 02 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 1f 01
RSP: 0018:ffffc90002ec79a8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90002ec7d50 RSI: 0000000000000000 RDI: ffffc90002ec7d51
RBP: 0000000000000000 R08: ffffffff840853f5 R09: ffffc90002ec7d50
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90002ec7be0
R13: 1ffff920005d8f7c R14: dffffc0000000000 R15: 0000000000000000
 import_iovec+0xe6/0x120 lib/iov_iter.c:2010
 copy_msghdr_from_user net/socket.c:2374 [inline]
 recvmsg_copy_msghdr net/socket.c:2621 [inline]
 ___sys_recvmsg+0x56b/0x690 net/socket.c:2693
 do_recvmmsg+0x36f/0x8f0 net/socket.c:2791
 __sys_recvmmsg net/socket.c:2870 [inline]
 __do_sys_recvmmsg net/socket.c:2893 [inline]
 __se_sys_recvmmsg net/socket.c:2886 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2886
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5f0a4c3819
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:00007f5f0831a038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f5f0a67b080 RCX: 00007f5f0a4c3819
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f5f0a53675e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5f0a67b080 R15: 00007fff556ed6f8
 </TASK>
----------------
Code disassembly (best guess):
   0:	b6 04                	mov    $0x4,%dh
   2:	30 84 c0 0f 85 1d 01 	xor    %al,0x11d850f(%rax,%rax,8)
   9:	00 00                	add    %al,(%rax)
   b:	c6 02 00             	movb   $0x0,(%rdx)
   e:	48 8d 7a 01          	lea    0x1(%rdx),%rdi
  12:	48 89 f8             	mov    %rdi,%rax
  15:	48 c1 e8 03          	shr    $0x3,%rax
  19:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
  1e:	84 c0                	test   %al,%al
  20:	0f 85 20 01 00 00    	jne    0x146
  26:	c6 42 01 00          	movb   $0x0,0x1(%rdx)
* 2a:	48 8d 7a 02          	lea    0x2(%rdx),%rdi <-- trapping instruction
  2e:	48 89 f8             	mov    %rdi,%rax
  31:	48 c1 e8 03          	shr    $0x3,%rax
  35:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
  3a:	84 c0                	test   %al,%al
  3c:	0f                   	.byte 0xf
  3d:	85 1f                	test   %ebx,(%rdi)
  3f:	01                   	.byte 0x1