------------[ cut here ]------------
WARNING: CPU: 1 PID: 5153 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 5153 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Modules linked in:
CPU: 1 PID: 5153 Comm: syz.2.140 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Code: ff ff ff e8 30 36 e4 f7 0f 0b 48 8b 7c 24 20 e8 d4 a4 7f fe e9 dd e9 ff ff e8 1a 36 e4 f7 0f 0b e9 f1 ee ff ff e8 0e 36 e4 f7 <0f> 0b e9 61 f2 ff ff e8 02 36 e4 f7 48 c7 c7 f0 7e fa 8d 4c 89 f6
RSP: 0018:ffffc900001e08a0 EFLAGS: 00010246
RAX: ffffffff899c9a82 RBX: 0000000000000000 RCX: ffff88802dbc3b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e0aa8 R08: ffff88802dbc3b80 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff9200003c12c
R13: dffffc0000000000 R14: ffff8880761d2258 R15: ffff88807d10e400
FS:  00007f51cdf686c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f523ffc CR3: 0000000054e9d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5352
 ieee80211_beacon_get include/net/mac80211.h:5264 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1752 [inline]
 __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 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:memset+0x2b/0x40 mm/kasan/shadow.c:47
Code: 41 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 89 d6 ba 01 00 00 00 e8 72 ec ff ff 84 c0 74 11 4c 89 f7 89 ee 48 89 da 5b <41> 5e 5d e9 9d ac 3a 08 31 c0 5b 41 5e 5d c3 66 0f 1f 44 00 00 41
RSP: 0018:ffffc9000cf7fa68 EFLAGS: 00000202
RAX: ffffffff8819df01 RBX: ffffc9000cf7fb40 RCX: ffffffff8819df86
RDX: 0000000000000080 RSI: 0000000000000000 RDI: ffffc9000cf7fb40
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff520019eff78
R10: fffff520019eff78 R11: 1ffff920019eff68 R12: 0000000000000002
R13: dffffc0000000000 R14: ffffc9000cf7fb40 R15: 1ffff920019eff58
 ___sys_recvmsg+0xc6/0x510 net/socket.c:2771
 do_recvmmsg+0x359/0x7d0 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+0x18d/0x240 net/socket.c:2969
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f51cd18eba9
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:00007f51cdf68038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f51cd3d6090 RCX: 00007f51cd18eba9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f51cd211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f51cd3d6128 R14: 00007f51cd3d6090 R15: 00007ffdcee80f58
 </TASK>
----------------
Code disassembly (best guess):
   0:	41 56                	push   %r14
   2:	53                   	push   %rbx
   3:	48 89 d3             	mov    %rdx,%rbx
   6:	89 f5                	mov    %esi,%ebp
   8:	49 89 fe             	mov    %rdi,%r14
   b:	48 8b 4c 24 18       	mov    0x18(%rsp),%rcx
  10:	48 89 d6             	mov    %rdx,%rsi
  13:	ba 01 00 00 00       	mov    $0x1,%edx
  18:	e8 72 ec ff ff       	call   0xffffec8f
  1d:	84 c0                	test   %al,%al
  1f:	74 11                	je     0x32
  21:	4c 89 f7             	mov    %r14,%rdi
  24:	89 ee                	mov    %ebp,%esi
  26:	48 89 da             	mov    %rbx,%rdx
  29:	5b                   	pop    %rbx
* 2a:	41 5e                	pop    %r14 <-- trapping instruction
  2c:	5d                   	pop    %rbp
  2d:	e9 9d ac 3a 08       	jmp    0x83aaccf
  32:	31 c0                	xor    %eax,%eax
  34:	5b                   	pop    %rbx
  35:	41 5e                	pop    %r14
  37:	5d                   	pop    %rbp
  38:	c3                   	ret
  39:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
  3f:	41                   	rex.B