------------[ cut here ]------------
WARNING: CPU: 1 PID: 16536 at net/mac80211/tx.c:5048 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5048 [inline]
WARNING: CPU: 1 PID: 16536 at net/mac80211/tx.c:5048 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459
Modules linked in:
CPU: 1 PID: 16536 Comm: syz.1.2207 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:5048 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459
Code: f7 4c 89 ef e8 70 5b ba f7 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 ab 6f 7c f7 0f 0b e9 61 f8 ff ff e8 9f 6f 7c f7 <0f> 0b e9 85 fb ff ff e8 93 6f 7c f7 48 c7 c7 60 bd 65 8e 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a0b01e1 RBX: dffffc0000000000 RCX: ffff888027c69e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888027c69e00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880692f6440
R13: ffff88803c36a024 R14: ffff8880692f6930 R15: ffff88803c36a000
FS:  00007fcfecf246c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f20dc7556c8 CR3: 00000000317a1000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5586
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3bd/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x225/0x4c0 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:1754 [inline]
 __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 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:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0x7a/0x8c0 kernel/locking/lockdep.c:5765
Code: 8c 48 c7 44 24 70 f0 07 69 81 4c 8d 7c 24 60 49 c1 ef 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4b 89 04 2f 43 c7 44 2f 08 f8 f3 f3 f3 <0f> 1f 44 00 00 65 8b 05 d6 af 9a 7e 83 f8 08 0f 83 3c 05 00 00 89
RSP: 0018:ffffc90003797940 EFLAGS: 00000a02
RAX: f2f2f2f8f1f1f1f1 RBX: 0000000000000038 RCX: 0748f4e4d5fa5200
RDX: 0000000000000000 RSI: ffffffff81cbb87a RDI: ffff888017c6a7a0
RBP: ffffc90003797a48 R08: dffffc0000000000 R09: 1ffffffff223d6a6
R10: dffffc0000000000 R11: fffffbfff223d6a7 R12: ffffffff81cbb87a
R13: dffffc0000000000 R14: ffffc90003797ae0 R15: 1ffff920006f2f34
 _copy_from_user+0x2a/0xe0 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:183 [inline]
 copy_msghdr_from_user net/socket.c:2525 [inline]
 recvmsg_copy_msghdr net/socket.c:2780 [inline]
 ___sys_recvmsg+0x174/0x590 net/socket.c:2852
 do_recvmmsg+0x377/0x810 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+0x199/0x250 net/socket.c:3045
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fcfebf9e0d9
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:00007fcfecf24028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fcfec226090 RCX: 00007fcfebf9e0d9
RDX: 000000000001011f RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007fcfec035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcfec226128 R14: 00007fcfec226090 R15: 00007ffe54408d88
 </TASK>
----------------
Code disassembly (best guess):
   0:	8c 48 c7             	mov    %cs,-0x39(%rax)
   3:	44 24 70             	rex.R and $0x70,%al
   6:	f0 07                	lock (bad)
   8:	69 81 4c 8d 7c 24 60 	imul   $0xefc14960,0x247c8d4c(%rcx),%eax
   f:	49 c1 ef
  12:	03 48 b8             	add    -0x48(%rax),%ecx
  15:	f1                   	int1
  16:	f1                   	int1
  17:	f1                   	int1
  18:	f1                   	int1
  19:	f8                   	clc
  1a:	f2 f2 f2 4b 89 04 2f 	repnz repnz repnz mov %rax,(%r15,%r13,1)
  21:	43 c7 44 2f 08 f8 f3 	movl   $0xf3f3f3f8,0x8(%r15,%r13,1)
  28:	f3 f3
* 2a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1) <-- trapping instruction
  2f:	65 8b 05 d6 af 9a 7e 	mov    %gs:0x7e9aafd6(%rip),%eax        # 0x7e9ab00c
  36:	83 f8 08             	cmp    $0x8,%eax
  39:	0f 83 3c 05 00 00    	jae    0x57b
  3f:	89                   	.byte 0x89