syzbot

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WARNING: CPU: 0 PID: 5207 at net/mac80211/tx.c:5011 __ieee80211_beacon_get+0x11f3/0x15b0 net/mac80211/tx.c:5420
Modules linked in:
CPU: 0 PID: 5207 Comm: syz-executor378 Not tainted 6.6.0-rc3-syzkaller-00214-ge402b08634b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5011 [inline]
RIP: 0010:__ieee80211_beacon_get+0x11f3/0x15b0 net/mac80211/tx.c:5420
Code: d4 e8 21 d8 3c f7 eb 0d e8 1a d8 3c f7 4c 8b bc 24 98 00 00 00 4c 89 ef e8 da 1b 7c f7 45 31 ed e9 4e fe ff ff e8 fd d7 3c f7 <0f> 0b e9 0e f7 ff ff e8 f1 d7 3c f7 0f 0b e9 f8 f8 ff ff 44 89 f1
RSP: 0018:ffffc900000079e0 EFLAGS: 00010246
RAX: ffffffff8a513273 RBX: 0000000000000000 RCX: ffff888025070000
RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8a51297b R09: ffffffff8a512380
R10: 0000000000000003 R11: ffff888025070000 R12: ffff88807c32a3a8
R13: ffff8880280a5000 R14: ffff88807c32a898 R15: ffff88807c328c80
FS:  00007fa59f8556c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020305030 CR3: 00000000790a8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbd/0x5e0 net/mac80211/tx.c:5547
 ieee80211_beacon_get include/net/mac80211.h:5421 [inline]
 mac80211_hwsim_beacon_tx+0x382/0x750 drivers/net/wireless/virtual/mac80211_hwsim.c:2260
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xd4/0x1e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2290
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1769
 __do_softirq+0x2ab/0x908 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__import_iovec+0xf7/0x950 lib/iov_iter.c:1467
Code: 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 80 57 ab fd 4c 89 33 31 db 0f 01 ca e9 ca 03 00 00 48 b8 00 00 00 00 00 fc ff df <89> e9 48 89 4c 24 28 89 db 4c 89 e9 48 c1 e9 03 48 89 4c 24 20 80
RSP: 0018:ffffc9000408f8a8 EFLAGS: 00000297
RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffff888025070000
RDX: ffff888025070000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff843d255e R09: ffffc9000408fd30
R10: ffffc9000408fd70 R11: fffff52000811fb0 R12: 0000000000000000
R13: ffffc9000408fc00 R14: 0000000000000000 R15: 0000000000000000
 import_iovec+0xea/0x120 lib/iov_iter.c:1532
 copy_msghdr_from_user+0x52b/0x680 net/socket.c:2478
 recvmsg_copy_msghdr net/socket.c:2726 [inline]
 ___sys_recvmsg net/socket.c:2798 [inline]
 do_recvmmsg+0x40f/0xae0 net/socket.c:2896
 __sys_recvmmsg net/socket.c:2975 [inline]
 __do_sys_recvmmsg net/socket.c:2998 [inline]
 __se_sys_recvmmsg net/socket.c:2991 [inline]
 __x64_sys_recvmmsg+0x199/0x240 net/socket.c:2991
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa59f8b6e09
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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:00007fa59f855228 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fa59f940378 RCX: 00007fa59f8b6e09
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fa59f940370 R08: 0000000000000000 R09: 00007fa59f8556c0
R10: 0000000000000002 R11: 0000000000000246 R12: 00007fa59f94037c
R13: 00007fa59f90d1b4 R14: 0031313230386c6e R15: 00007ffed687e228
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 c1 e8 03          	shr    $0x3,%rax
   4:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   9:	74 08                	je     0x13
   b:	48 89 df             	mov    %rbx,%rdi
   e:	e8 80 57 ab fd       	call   0xfdab5793
  13:	4c 89 33             	mov    %r14,(%rbx)
  16:	31 db                	xor    %ebx,%ebx
  18:	0f 01 ca             	clac
  1b:	e9 ca 03 00 00       	jmp    0x3ea
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	89 e9                	mov    %ebp,%ecx <-- trapping instruction
  2c:	48 89 4c 24 28       	mov    %rcx,0x28(%rsp)
  31:	89 db                	mov    %ebx,%ebx
  33:	4c 89 e9             	mov    %r13,%rcx
  36:	48 c1 e9 03          	shr    $0x3,%rcx
  3a:	48 89 4c 24 20       	mov    %rcx,0x20(%rsp)
  3f:	80                   	.byte 0x80