------------[ cut here ]------------
WARNING: CPU: 1 PID: 4524 at net/mac80211/tx.c:5034 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5034 [inline]
WARNING: CPU: 1 PID: 4524 at net/mac80211/tx.c:5034 __ieee80211_beacon_get+0x1200/0x15c0 net/mac80211/tx.c:5461
Modules linked in:
CPU: 1 PID: 4524 Comm: udevd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5034 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1200/0x15c0 net/mac80211/tx.c:5461
Code: e8 b5 a0 a3 f6 eb 0d e8 ae a0 a3 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 2e 9f fb f6 45 31 ed e9 4e fe ff ff e8 91 a0 a3 f6 90 <0f> 0b 90 e9 02 f7 ff ff e8 83 a0 a3 f6 90 0f 0b 90 e9 ea f8 ff ff
vkms_vblank_simulate: vblank timer overrun
RSP: 0018:ffffc90000a08a00 EFLAGS: 00010246
RAX: ffffffff8af154bf RBX: 0000000000000000 RCX: ffff888074018000
RDX: 0000000080000101 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8af14bbd R09: ffffffff8af145c0
R10: 0000000000000003 R11: ffff888074018000 R12: ffff88802deea2d0
R13: ffff88802269f800 R14: ffff88802deea750 R15: ffff88802dee8ca0
FS:  00007fac84347c80(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f73959d0 CR3: 00000000290b2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5588
 ieee80211_beacon_get include/net/mac80211.h:5552 [inline]
 mac80211_hwsim_beacon_tx+0x398/0x7e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2296
 __iterate_interfaces+0x223/0x4c0 net/mac80211/util.c:772
 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808
 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2326
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x595/0xd00 kernel/time/hrtimer.c:1756
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1773
 __do_softirq+0x2bc/0x943 kernel/softirq.c:554
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0x75c/0x2a00 arch/x86/kernel/unwind_orc.c:512
Code: 10 0f 85 25 1b 00 00 c6 03 01 49 c7 c7 80 44 a8 8b 4c 89 7c 24 18 49 8d 6f 04 49 8d 5f 05 48 89 e8 48 c1 e8 03 48 89 44 24 38 <42> 0f b6 04 28 84 c0 0f 85 4e 1a 00 00 48 89 d8 48 c1 e8 03 42 0f
RSP: 0018:ffffc9000316f828 EFLAGS: 00000a02
RAX: 1ffffffff202d091 RBX: ffffffff90168489 RCX: ffff888074018000
RDX: ffffc9000316f935 RSI: ffffffff8dfa0800 RDI: 0000000000000002
RBP: ffffffff90168488 R08: 0000000000000003 R09: ffffffff81409632
R10: 0000000000000002 R11: ffff888074018000 R12: ffffffff8fa06734
R13: dffffc0000000000 R14: 1ffff9200062df20 R15: ffffffff90168484
 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:312 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3798 [inline]
 slab_alloc_node mm/slub.c:3845 [inline]
 kmem_cache_alloc+0x174/0x340 mm/slub.c:3852
 getname_flags+0xbd/0x4f0 fs/namei.c:139
 user_path_at_empty+0x2c/0x60 fs/namei.c:2920
 do_readlinkat+0x118/0x3b0 fs/stat.c:499
 __do_sys_readlink fs/stat.c:532 [inline]
 __se_sys_readlink fs/stat.c:529 [inline]
 __x64_sys_readlink+0x7f/0x90 fs/stat.c:529
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fac83f17d47
Code: 73 01 c3 48 8b 0d e1 90 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b1 90 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007ffe1181fa28 EFLAGS: 00000246 ORIG_RAX: 0000000000000059
RAX: ffffffffffffffda RBX: 00007ffe1181fa38 RCX: 00007fac83f17d47
RDX: 0000000000000400 RSI: 00007ffe1181fa38 RDI: 00007ffe1181ff18
RBP: 0000000000000400 R08: 0000561b693366e4 R09: 0000000000000000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007ffe1181ff18
R13: 00007ffe1181fe88 R14: 0000561b6932a910 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	10 0f                	adc    %cl,(%rdi)
   2:	85 25 1b 00 00 c6    	test   %esp,-0x39ffffe5(%rip)        # 0xc6000023
   8:	03 01                	add    (%rcx),%eax
   a:	49 c7 c7 80 44 a8 8b 	mov    $0xffffffff8ba84480,%r15
  11:	4c 89 7c 24 18       	mov    %r15,0x18(%rsp)
  16:	49 8d 6f 04          	lea    0x4(%r15),%rbp
  1a:	49 8d 5f 05          	lea    0x5(%r15),%rbx
  1e:	48 89 e8             	mov    %rbp,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	48 89 44 24 38       	mov    %rax,0x38(%rsp)
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 4e 1a 00 00    	jne    0x1a85
  37:	48 89 d8             	mov    %rbx,%rax
  3a:	48 c1 e8 03          	shr    $0x3,%rax
  3e:	42                   	rex.X
  3f:	0f                   	.byte 0xf