------------[ cut here ]------------
WARNING: CPU: 1 PID: 5208 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 5208 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 5208 Comm: syz.3.271 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Code: f8 0f 0b e9 f1 fa ff ff e8 81 83 3a f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 70 83 3a f8 0f 0b e9 3c ef ff ff e8 64 83 3a f8 <0f> 0b e9 b8 f2 ff ff e8 88 e7 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010246
RAX: ffffffff893d46ec RBX: ffff88806016cc80 RCX: ffff8880205fd940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0ae8 R08: ffff8880205fd940 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888022230a00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba128
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c42699f CR3: 000000005222b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
 ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
 mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 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:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:202
Code: 66 2e 0f 1f 84 00 00 00 00 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 90 cd f1 0b 48 89 de 5b e9 47 9e 43 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 64 a5 8a 7e 65 8b 15 65 a5 8a 7e 81 e2 00
RSP: 0018:ffffc900042ff558 EFLAGS: 00000202
RAX: ffffffff81abacda RBX: 1ffff9200085ff08 RCX: ffff8880205fd940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900042ff6d0 R08: dffffc0000000000 R09: ffffed10040bfb29
R10: ffffed10040bfb29 R11: 1ffff110040bfb28 R12: 1ffff1100c6f4281
R13: ffffc900042ff840 R14: 0000000000000001 R15: ffffea00019ce140
 native_local_ptep_get_and_clear arch/x86/include/asm/pgtable.h:983 [inline]
 ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1065 [inline]
 zap_pte_range mm/memory.c:1368 [inline]
 zap_pmd_range mm/memory.c:1505 [inline]
 zap_pud_range mm/memory.c:1534 [inline]
 zap_p4d_range mm/memory.c:1555 [inline]
 unmap_page_range+0xb88/0x2520 mm/memory.c:1576
 unmap_vmas+0x11b/0x230 mm/memory.c:1653
 exit_mmap+0x38f/0x5f0 mm/mmap.c:3216
 __mmput+0x115/0x3b0 kernel/fork.c:1127
 exit_mm+0x567/0x6c0 kernel/exit.c:550
 do_exit+0x5a1/0x20a0 kernel/exit.c:870
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 get_signal+0x6ca/0x12c0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f73634a9ec9
Code: Unable to access opcode bytes at RIP 0x7f73634a9e9f.
RSP: 002b:00007f73617110e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f7363700fa8 RCX: 00007f73634a9ec9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7363700fa8
RBP: 00007f7363700fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7363701038 R14: 00007fff02e948e0 R15: 00007fff02e949c8
 </TASK>
----------------
Code disassembly (best guess):
   0:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   7:	00 00 00
   a:	53                   	push   %rbx
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	e8 17 00 00 00       	call   0x2a
  13:	48 8b 3d 90 cd f1 0b 	mov    0xbf1cd90(%rip),%rdi        # 0xbf1cdaa
  1a:	48 89 de             	mov    %rbx,%rsi
  1d:	5b                   	pop    %rbx
  1e:	e9 47 9e 43 00       	jmp    0x439e6a
  23:	00 00                	add    %al,(%rax)
  25:	cc                   	int3
  26:	cc                   	int3
  27:	00 00                	add    %al,(%rax)
  29:	cc                   	int3
* 2a:	48 8b 04 24          	mov    (%rsp),%rax <-- trapping instruction
  2e:	65 48 8b 0d 64 a5 8a 	mov    %gs:0x7e8aa564(%rip),%rcx        # 0x7e8aa59a
  35:	7e
  36:	65 8b 15 65 a5 8a 7e 	mov    %gs:0x7e8aa565(%rip),%edx        # 0x7e8aa5a2
  3d:	81                   	.byte 0x81
  3e:	e2 00                	loop   0x40