syzbot

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WARNING: CPU: 1 PID: 7031 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
WARNING: CPU: 1 PID: 7031 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
WARNING: CPU: 1 PID: 7031 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Modules linked in:
CPU: 1 UID: 0 PID: 7031 Comm: syz-executor996 Not tainted 6.14.0-syzkaller-00826-g327ecdbc0fda #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
RIP: 0010:__ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Code: 00 89 df 44 89 e6 e8 d3 60 e0 f6 44 38 e3 72 a1 e8 e9 66 e0 f6 48 89 ef e8 d1 db 38 f7 31 ed e9 9c fe ff ff e8 d5 66 e0 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 a0 e3 2f 90 48 89 04 24
RSP: 0018:ffffc90000a08b70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ada02a2
RDX: ffff8880132b2440 RSI: ffffffff8ada0c1b RDI: 0000000000000001
RBP: ffffc90000a08c20 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888034ac6800
R13: 0000000000000041 R14: ffff888013090d80 R15: ffff8880130929d0
FS:  00007f382bb606c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000001e3030 CR3: 000000002a0a6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596
 ieee80211_beacon_get include/net/mac80211.h:5641 [inline]
 mac80211_hwsim_beacon_tx+0x4ea/0xa10 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
 __iterate_interfaces+0x2e5/0x640 net/mac80211/util.c:761
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797
 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
 __run_hrtimer kernel/time/hrtimer.c:1801 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1882
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x189/0x300 kernel/locking/lockdep.c:5891
Code: 0f c1 05 d2 ef 6a 7e 83 f8 01 0f 85 26 01 00 00 9c 58 f6 c4 02 0f 85 11 01 00 00 41 f7 c5 00 02 00 00 74 01 fb 48 8b 44 24 10 <65> 48 2b 04 25 28 00 00 00 0f 85 60 01 00 00 48 83 c4 18 5b 5d 41
RSP: 0018:ffffc9000c8e76d8 EFLAGS: 00000206
RAX: ff5dfcd636cfc400 RBX: ffff888023739e90 RCX: ffffc9000c8e76e4
RDX: 0000000000000000 RSI: ffffffff8d988768 RDI: ffffffff8bd36fe0
RBP: 0000000000039acc R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000002 R11: 0000000000000001 R12: ffffffff89fe1699
R13: 0000000000000206 R14: ffff8880132b2440 R15: 0000000000000001
 __mutex_unlock_slowpath+0xa3/0x6a0 kernel/locking/mutex.c:893
 __unix_dgram_recvmsg+0x829/0xee0 net/unix/af_unix.c:2516
 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2532
 sock_recvmsg_nosec net/socket.c:1023 [inline]
 ____sys_recvmsg+0x5f8/0x6b0 net/socket.c:2791
 ___sys_recvmsg+0x115/0x1a0 net/socket.c:2835
 do_recvmmsg+0x2f8/0x740 net/socket.c:2930
 __sys_recvmmsg net/socket.c:3004 [inline]
 __do_sys_recvmmsg net/socket.c:3027 [inline]
 __se_sys_recvmmsg net/socket.c:3020 [inline]
 __x64_sys_recvmmsg+0x239/0x290 net/socket.c:3020
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f382bbc8829
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 1a 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f382bb60218 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f382bc52438 RCX: 00007f382bbc8829
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f382bc52430 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00007f382bc1f38c
R13: 00002000000001c0 R14: 0000200000000210 R15: 0000200000000200
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f c1 05 d2 ef 6a 7e 	xadd   %eax,0x7e6aefd2(%rip)        # 0x7e6aefd9
   7:	83 f8 01             	cmp    $0x1,%eax
   a:	0f 85 26 01 00 00    	jne    0x136
  10:	9c                   	pushf
  11:	58                   	pop    %rax
  12:	f6 c4 02             	test   $0x2,%ah
  15:	0f 85 11 01 00 00    	jne    0x12c
  1b:	41 f7 c5 00 02 00 00 	test   $0x200,%r13d
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	48 8b 44 24 10       	mov    0x10(%rsp),%rax
* 2a:	65 48 2b 04 25 28 00 	sub    %gs:0x28,%rax <-- trapping instruction
  31:	00 00
  33:	0f 85 60 01 00 00    	jne    0x199
  39:	48 83 c4 18          	add    $0x18,%rsp
  3d:	5b                   	pop    %rbx
  3e:	5d                   	pop    %rbp
  3f:	41                   	rex.B