------------[ cut here ]------------
WARNING: CPU: 1 PID: 7135 at net/mac80211/tx.c:5033 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
WARNING: CPU: 1 PID: 7135 at net/mac80211/tx.c:5033 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5444
Modules linked in:
CPU: 1 PID: 7135 Comm: syz.2.292 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5444
Code: 24 4c 89 e7 e8 be 74 c0 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 b9 b2 82 f7 0f 0b e9 f6 f7 ff ff e8 ad b2 82 f7 <0f> 0b e9 48 fb ff ff e8 a1 b2 82 f7 48 c7 c7 20 89 64 8e 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a046f53 RBX: ffffffff8a045d56 RCX: ffff888026f29e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888026f29e00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880580763c0
R13: dffffc0000000000 R14: ffff8880580768b0 R15: ffff888030d3ac24
FS:  00007fef2ce6d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc981e17dac CR3: 0000000026198000 CR4: 00000000003526e0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5571
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x243/0x500 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:1750 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 handle_softirqs+0x280/0x820 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:check_kcov_mode kernel/kcov.c:182 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x17/0x60 kernel/kcov.c:216
Code: 48 8b 3d dc f9 03 0d 48 89 de 5b e9 d3 67 57 00 cc cc cc f3 0f 1e fa 48 8b 04 24 65 48 8b 0d b0 93 7c 7e 65 8b 15 b1 93 7c 7e <81> e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00
RSP: 0018:ffffc900034a7740 EFLAGS: 00000246
RAX: ffffffff81b69d6b RBX: ffffea0001284380 RCX: ffff888026f29e00
RDX: 0000000080000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffd4000250871 R08: ffffea00012843b7 R09: 1ffffd4000250876
R10: dffffc0000000000 R11: fffff94000250877 R12: ffffc900034a78a0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea0001284388
 arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
 page_fixed_fake_head include/linux/page-flags.h:209 [inline]
 page_is_fake_head include/linux/page-flags.h:241 [inline]
 PageTail include/linux/page-flags.h:285 [inline]
 folio_flags include/linux/page-flags.h:312 [inline]
 folio_test_uptodate include/linux/page-flags.h:734 [inline]
 next_uptodate_folio+0x24b/0xad0 mm/filemap.c:3498
 filemap_map_pages+0xfd4/0x1970 mm/filemap.c:3674
 do_fault_around mm/memory.c:4595 [inline]
 do_read_fault mm/memory.c:4628 [inline]
 do_fault mm/memory.c:4775 [inline]
 do_pte_missing mm/memory.c:3689 [inline]
 handle_pte_fault mm/memory.c:5047 [inline]
 __handle_mm_fault mm/memory.c:5188 [inline]
 handle_mm_fault+0x3b05/0x4c00 mm/memory.c:5353
 faultin_page mm/gup.c:868 [inline]
 __get_user_pages+0x5d0/0x1380 mm/gup.c:1167
 populate_vma_page_range+0x2c1/0x380 mm/gup.c:1593
 __mm_populate+0x260/0x390 mm/gup.c:1696
 mm_populate include/linux/mm.h:3383 [inline]
 vm_mmap_pgoff+0x2da/0x3f0 mm/util.c:561
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fef2bf9cdd9
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:00007fef2ce6d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fef2c215fa0 RCX: 00007fef2bf9cdd9
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007fef2c032d69 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fef2c216038 R14: 00007fef2c215fa0 R15: 00007fff08ffa288
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 8b 3d dc f9 03 0d 	mov    0xd03f9dc(%rip),%rdi        # 0xd03f9e3
   7:	48 89 de             	mov    %rbx,%rsi
   a:	5b                   	pop    %rbx
   b:	e9 d3 67 57 00       	jmp    0x5767e3
  10:	cc                   	int3
  11:	cc                   	int3
  12:	cc                   	int3
  13:	f3 0f 1e fa          	endbr64
  17:	48 8b 04 24          	mov    (%rsp),%rax
  1b:	65 48 8b 0d b0 93 7c 	mov    %gs:0x7e7c93b0(%rip),%rcx        # 0x7e7c93d3
  22:	7e
  23:	65 8b 15 b1 93 7c 7e 	mov    %gs:0x7e7c93b1(%rip),%edx        # 0x7e7c93db
* 2a:	81 e2 00 01 ff 00    	and    $0xff0100,%edx <-- trapping instruction
  30:	74 11                	je     0x43
  32:	81 fa 00 01 00 00    	cmp    $0x100,%edx
  38:	75 35                	jne    0x6f
  3a:	83                   	.byte 0x83
  3b:	b9 1c 16 00 00       	mov    $0x161c,%ecx