------------[ cut here ]------------
WARNING: CPU: 0 PID: 10521 at net/mac80211/tx.c:4962 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4962 [inline]
WARNING: CPU: 0 PID: 10521 at net/mac80211/tx.c:4962 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5363
Modules linked in:
CPU: 0 PID: 10521 Comm: syz.6.1513 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:4962 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5363
Code: f7 4c 89 ef e8 90 5c 05 f8 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 8b a5 cc f7 0f 0b e9 61 f8 ff ff e8 7f a5 cc f7 <0f> 0b e9 85 fb ff ff e8 73 a5 cc f7 48 c7 c7 40 a1 fb 8d 4c 89 e6
RSP: 0018:ffffc90000007a48 EFLAGS: 00010246
RAX: ffffffff89b58d61 RBX: dffffc0000000000 RCX: ffff88807b673c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88807b673c00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888060806228
R13: ffff888057d01c24 R14: ffff888060806760 R15: ffff888057d01c00
FS:  00007f7e386ec6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7e377eb840 CR3: 0000000073fe8000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5490
 ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2092
 __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:2148
 __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:____sys_recvmsg+0x3db/0x5b0 net/socket.c:2760
Code: eb 7c 48 8b 44 24 38 42 80 3c 20 00 48 8b 5c 24 48 74 08 48 89 df e8 34 05 a6 f9 48 8b 1b 48 2b 5c 24 40 83 7c 24 1c 00 78 20 <e8> 60 c0 54 f9 49 83 c5 28 48 89 d8 4c 89 e9 e8 c0 4c f9 01 eb 1d
RSP: 0018:ffffc90005b578e0 EFLAGS: 00000202
RAX: 1ffff92000b6afab RBX: 0000000000000000 RCX: ffff88807b673c00
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005b57a70 R08: ffffc90005b576e7 R09: 1ffff92000b6aedc
R10: dffffc0000000000 R11: fffff52000b6aedd R12: dffffc0000000000
R13: 00002000002a4700 R14: 0000000000000000 R15: 0000000000000000
 ___sys_recvmsg+0x210/0x590 net/socket.c:2780
 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: 0033:0x7f7e3779e159
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:00007f7e386ec028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f7e37a26090 RCX: 00007f7e3779e159
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f7e3783503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7e37a26128 R14: 00007f7e37a26090 R15: 00007fff9d8b4708
 </TASK>
----------------
Code disassembly (best guess):
   0:	eb 7c                	jmp    0x7e
   2:	48 8b 44 24 38       	mov    0x38(%rsp),%rax
   7:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   c:	48 8b 5c 24 48       	mov    0x48(%rsp),%rbx
  11:	74 08                	je     0x1b
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 34 05 a6 f9       	call   0xf9a6054f
  1b:	48 8b 1b             	mov    (%rbx),%rbx
  1e:	48 2b 5c 24 40       	sub    0x40(%rsp),%rbx
  23:	83 7c 24 1c 00       	cmpl   $0x0,0x1c(%rsp)
  28:	78 20                	js     0x4a
* 2a:	e8 60 c0 54 f9       	call   0xf954c08f <-- trapping instruction
  2f:	49 83 c5 28          	add    $0x28,%r13
  33:	48 89 d8             	mov    %rbx,%rax
  36:	4c 89 e9             	mov    %r13,%rcx
  39:	e8 c0 4c f9 01       	call   0x1f94cfe
  3e:	eb 1d                	jmp    0x5d