------------[ cut here ]------------
WARNING: CPU: 0 PID: 4718 at net/mac80211/tx.c:4961 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4961 [inline]
WARNING: CPU: 0 PID: 4718 at net/mac80211/tx.c:4961 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5362
Modules linked in:
CPU: 0 PID: 4718 Comm: syz.0.115 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4961 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5362
Code: f7 4c 89 ef e8 80 75 07 f8 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 db d0 ce f7 0f 0b e9 61 f8 ff ff e8 cf d0 ce f7 <0f> 0b e9 85 fb ff ff e8 c3 d0 ce f7 48 c7 c7 a0 fc fb 8d 4c 89 e6
RSP: 0018:ffffc90000007a48 EFLAGS: 00010246
RAX: ffffffff89b35d51 RBX: dffffc0000000000 RCX: ffff88802e83bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802e83bc00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888075eea228
R13: ffff88805625f024 R14: ffff888075eea760 R15: ffff88805625f000
FS:  00007f60d39966c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98117eec38 CR3: 0000000056bc2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5489
 ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x225/0x4c0 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:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 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:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:244 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x4/0x80 kernel/kcov.c:313
Code: 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 03 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 90 48 8b 04 24 <65> 48 8b 15 b4 3d 80 7e 65 8b 0d b5 3d 80 7e 81 e1 00 01 ff 00 74
RSP: 0018:ffffc9000568fa38 EFLAGS: 00000246
RAX: ffffffff84148835 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: ffffc9000ee49000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000008 R08: ffffc9000568fbe0 R09: ffffc9000568fd30
R10: dffffc0000000000 R11: fffff52000ad1fb0 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc9000568fbe0 R15: 0000000000000000
 in_32bit_syscall arch/x86/include/asm/compat.h:94 [inline]
 in_compat_syscall arch/x86/include/asm/compat.h:100 [inline]
 import_iovec+0x55/0xa0 lib/iov_iter.c:1839
 copy_msghdr_from_user net/socket.c:2456 [inline]
 recvmsg_copy_msghdr net/socket.c:2704 [inline]
 ___sys_recvmsg+0x4b2/0x590 net/socket.c:2776
 do_recvmmsg+0x370/0x810 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+0x195/0x250 net/socket.c:2969
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f60d2b9e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f60d3996028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f60d2e26090 RCX: 00007f60d2b9e0d9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f60d2c35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f60d2e26128 R14: 00007f60d2e26090 R15: 00007ffc7302d6f8
 </TASK>
----------------
Code disassembly (best guess):
   0:	77 22                	ja     0x24
   2:	89 ff                	mov    %edi,%edi
   4:	89 f6                	mov    %esi,%esi
   6:	49 ff c0             	inc    %r8
   9:	4c 89 01             	mov    %r8,(%rcx)
   c:	48 c7 44 11 08 03 00 	movq   $0x3,0x8(%rcx,%rdx,1)
  13:	00 00
  15:	48 89 7c 11 10       	mov    %rdi,0x10(%rcx,%rdx,1)
  1a:	48 89 74 11 18       	mov    %rsi,0x18(%rcx,%rdx,1)
  1f:	48 89 44 11 20       	mov    %rax,0x20(%rcx,%rdx,1)
  24:	c3                   	ret
  25:	90                   	nop
  26:	48 8b 04 24          	mov    (%rsp),%rax
* 2a:	65 48 8b 15 b4 3d 80 	mov    %gs:0x7e803db4(%rip),%rdx        # 0x7e803de6 <-- trapping instruction
  31:	7e
  32:	65 8b 0d b5 3d 80 7e 	mov    %gs:0x7e803db5(%rip),%ecx        # 0x7e803dee
  39:	81 e1 00 01 ff 00    	and    $0xff0100,%ecx
  3f:	74                   	.byte 0x74