------------[ cut here ]------------
WARNING: CPU: 1 PID: 7480 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 1 PID: 7480 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 1 PID: 7480 Comm: syz.0.442 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 0e 88 d4 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 19 65 97 f7 0f 0b e9 f6 f7 ff ff e8 0d 65 97 f7 <0f> 0b e9 48 fb ff ff e8 01 65 97 f7 48 c7 c7 a0 09 24 8e 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff89ee2a93 RBX: ffffffff89ee1896 RCX: ffff8880187c0000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880187c0000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805c6123c0
R13: dffffc0000000000 R14: ffff88805c6128b0 R15: ffff88801cf06424
FS:  00007f4cfec7c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4cfec5af98 CR3: 000000002e04e000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
 __run_hrtimer kernel/time/hrtimer.c:1755 [inline]
 __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:127 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:178 [inline]
RIP: 0010:kasan_check_range+0x8f/0x290 mm/kasan/generic.c:187
Code: 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 0f 85 cc 01 00 00 <49> ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd 83 e5 07 0f 84 b5
RSP: 0018:ffffc90018e876a8 EFLAGS: 00000246
RAX: ffffffff89237201 RBX: ffffffffffffffff RCX: ffffffff8923728f
RDX: 0000000000000001 RSI: 0000000000000020 RDI: ffffc90018e877a0
RBP: 0000000000000000 R08: ffffc90018e877bf R09: 1ffff920031d0ef7
R10: dffffc0000000000 R11: fffff520031d0ef7 R12: 0000000000000004
R13: 1ffff920031d0ef0 R14: fffff520031d0ef8 R15: 1ffff920031d0ef4
 __asan_memset+0x22/0x40 mm/kasan/shadow.c:84
 __unix_dgram_recvmsg+0x70f/0xd60 net/unix/af_unix.c:2456
 sock_recvmsg_nosec+0x82/0xd0 net/socket.c:1046
 ____sys_recvmsg+0x49b/0x5b0 net/socket.c:2812
 ___sys_recvmsg+0x1b6/0x510 net/socket.c:2856
 do_recvmmsg+0x360/0x7d0 net/socket.c:2950
 __sys_recvmmsg net/socket.c:3029 [inline]
 __do_sys_recvmmsg net/socket.c:3052 [inline]
 __se_sys_recvmmsg net/socket.c:3045 [inline]
 __x64_sys_recvmmsg+0x191/0x240 net/socket.c:3045
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4cfdd8ebe9
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:00007f4cfec7c038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f4cfdfc6090 RCX: 00007f4cfdd8ebe9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f4cfde11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4cfdfc6128 R14: 00007f4cfdfc6090 R15: 00007ffcb0b611c8
 </TASK>
----------------
Code disassembly (best guess):
   0:	34 19                	xor    $0x19,%al
   2:	4d 89 f4             	mov    %r14,%r12
   5:	4d 29 dc             	sub    %r11,%r12
   8:	49 83 fc 10          	cmp    $0x10,%r12
   c:	7f 29                	jg     0x37
   e:	4d 85 e4             	test   %r12,%r12
  11:	0f 84 41 01 00 00    	je     0x158
  17:	4c 89 cb             	mov    %r9,%rbx
  1a:	48 f7 d3             	not    %rbx
  1d:	4c 01 fb             	add    %r15,%rbx
  20:	41 80 3b 00          	cmpb   $0x0,(%r11)
  24:	0f 85 cc 01 00 00    	jne    0x1f6
* 2a:	49 ff c3             	inc    %r11 <-- trapping instruction
  2d:	48 ff c3             	inc    %rbx
  30:	75 ee                	jne    0x20
  32:	e9 21 01 00 00       	jmp    0x158
  37:	44 89 dd             	mov    %r11d,%ebp
  3a:	83 e5 07             	and    $0x7,%ebp
  3d:	0f                   	.byte 0xf
  3e:	84                   	.byte 0x84
  3f:	b5                   	.byte 0xb5