syzbot

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WARNING: CPU: 0 PID: 4442 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:-1 [inline]
WARNING: CPU: 0 PID: 4442 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 0 PID: 4442 Comm: syz-executor375 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline]
RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Code: ff e8 17 a0 a9 f7 0f 0b e9 4b fa ff ff e8 0b a0 a9 f7 0f 0b e9 3b fe ff ff e8 ff 9f a9 f7 0f 0b e9 06 ee ff ff e8 f3 9f a9 f7 <0f> 0b e9 91 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 2d ea
RSP: 0018:ffffc90000007840 EFLAGS: 00010246
RAX: ffffffff89d6fccd RBX: 0000000000000000 RCX: ffff88802ca58000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007a70 R08: ffffffff89d6ed58 R09: ffffffff89d6e72b
R10: 0000000000000003 R11: ffff88802ca58000 R12: dffffc0000000000
R13: ffff88807b810c80 R14: ffff88807b812298 R15: 1ffff92000000f18
FS:  00007f4d01c906c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000001fb030 CR3: 0000000073f89000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5194
 ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
 mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:sock_error include/net/sock.h:-1 [inline]
RIP: 0010:__skb_try_recv_datagram+0xcc/0x6a0 net/core/datagram.c:252
Code: c1 e8 03 42 0f b6 04 30 84 c0 0f 85 22 05 00 00 4c 8d bc 24 a0 00 00 00 41 8b 1c 24 45 31 f6 31 ff 89 de e8 26 5b 2d f9 85 db <4c> 89 6c 24 10 0f 85 9a 04 00 00 e8 b4 57 2d f9 4c 89 f8 48 c1 e8
RSP: 0018:ffffc9000384f620 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88802ca58000
RDX: ffff88802ca58000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000384f730 R08: ffffffff885344fa R09: ffffc9000384f840
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807d75f400
R13: 1ffff92000709ed4 R14: 0000000000000000 R15: ffffc9000384f6c0
 __unix_dgram_recvmsg+0x3c1/0x1260 net/unix/af_unix.c:2304
 ____sys_recvmsg+0x286/0x530 net/socket.c:-1
 ___sys_recvmsg+0x1ec/0x690 net/socket.c:2697
 do_recvmmsg+0x36f/0x8f0 net/socket.c:2791
 __sys_recvmmsg net/socket.c:2870 [inline]
 __do_sys_recvmmsg net/socket.c:2893 [inline]
 __se_sys_recvmmsg net/socket.c:2886 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2886
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4d01cf2829
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:00007f4d01c90218 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f4d01d7c438 RCX: 00007f4d01cf2829
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f4d01d7c430 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00007f4d01d4938c
R13: 00002000000001c0 R14: 0000200000000210 R15: 0000200000000200
 </TASK>
----------------
Code disassembly (best guess):
   0:	c1 e8 03             	shr    $0x3,%eax
   3:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
   8:	84 c0                	test   %al,%al
   a:	0f 85 22 05 00 00    	jne    0x532
  10:	4c 8d bc 24 a0 00 00 	lea    0xa0(%rsp),%r15
  17:	00
  18:	41 8b 1c 24          	mov    (%r12),%ebx
  1c:	45 31 f6             	xor    %r14d,%r14d
  1f:	31 ff                	xor    %edi,%edi
  21:	89 de                	mov    %ebx,%esi
  23:	e8 26 5b 2d f9       	call   0xf92d5b4e
  28:	85 db                	test   %ebx,%ebx
* 2a:	4c 89 6c 24 10       	mov    %r13,0x10(%rsp) <-- trapping instruction
  2f:	0f 85 9a 04 00 00    	jne    0x4cf
  35:	e8 b4 57 2d f9       	call   0xf92d57ee
  3a:	4c 89 f8             	mov    %r15,%rax
  3d:	48                   	rex.W
  3e:	c1                   	.byte 0xc1
  3f:	e8                   	.byte 0xe8