------------[ cut here ]------------
WARNING: CPU: 1 PID: 4631 at net/mac80211/tx.c:4861 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4861 [inline]
WARNING: CPU: 1 PID: 4631 at net/mac80211/tx.c:4861 __ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5085
Modules linked in:
CPU: 1 PID: 4631 Comm: syz.4.88 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4861 [inline]
RIP: 0010:__ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5085
Code: 29 f8 0f 0b 4f 89 64 2f 04 4f 89 64 2f 0c 43 c6 44 2f 14 f8 e9 19 fe ff ff e8 0d 87 29 f8 0f 0b e9 03 ef ff ff e8 01 87 29 f8 <0f> 0b e9 76 f2 ff ff e8 25 b8 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90000dd08e0 EFLAGS: 00010246
RAX: ffffffff894fc1ef RBX: ffff88805f2a2268 RCX: ffff8880250b1dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0b08 R08: ffff8880250b1dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888024780c00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba12c
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f19df56bff8 CR3: 000000007d5fb000 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:5204
 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+0x4f2/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 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:trace_lock_release include/trace/events/lock.h:58 [inline]
RIP: 0010:lock_release+0xae/0x8a0 kernel/locking/lockdep.c:5634
Code: 83 fb 08 0f 83 4e 05 00 00 89 d8 c1 e8 06 48 8d 3c c5 e8 06 8a 8d be 08 00 00 00 e8 cc bb 60 00 89 d8 48 0f a3 05 ca 5e 2c 0c <73> 0d e8 3b 4c 07 00 84 c0 0f 84 53 05 00 00 48 c7 c0 84 3a 8a 8d
RSP: 0018:ffffc90002faf780 EFLAGS: 00000257
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff815da814
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d8a06e8
RBP: ffffc90002faf890 R08: ffffffff8d8a06ef R09: 1ffffffff1b140dd
R10: dffffc0000000000 R11: fffffbfff1b140de R12: 1ffff920005f5efc
R13: dffffc0000000000 R14: ffffea00019a9648 R15: ffffea00019a9640
 zap_pte_range mm/memory.c:1384 [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+0xf96/0x2500 mm/memory.c:1576
 unmap_vmas+0x131/0x250 mm/memory.c:1653
 exit_mmap+0x3b9/0x640 mm/mmap.c:3216
 __mmput+0x115/0x3b0 kernel/fork.c:1127
 exit_mm+0x5f7/0x770 kernel/exit.c:551
 do_exit+0x5a9/0x20c0 kernel/exit.c:871
 do_group_exit+0x12e/0x300 kernel/exit.c:998
 __do_sys_exit_group kernel/exit.c:1009 [inline]
 __se_sys_exit_group kernel/exit.c:1007 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1007
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f19e1333e59
Code: Unable to access opcode bytes at RIP 0x7f19e1333e2f.
RSP: 002b:00007fffae35b6a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19e1333e59
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fffae35b70c R08: 0000000000000000 R09: 00000000000927c0
R10: 00007f19e15ad038 R11: 0000000000000246 R12: 0000000000000010
R13: 00000000000927c0 R14: 000000000001a7ea R15: 00007fffae35b760
 </TASK>
----------------
Code disassembly (best guess):
   0:	83 fb 08             	cmp    $0x8,%ebx
   3:	0f 83 4e 05 00 00    	jae    0x557
   9:	89 d8                	mov    %ebx,%eax
   b:	c1 e8 06             	shr    $0x6,%eax
   e:	48 8d 3c c5 e8 06 8a 	lea    -0x7275f918(,%rax,8),%rdi
  15:	8d
  16:	be 08 00 00 00       	mov    $0x8,%esi
  1b:	e8 cc bb 60 00       	call   0x60bbec
  20:	89 d8                	mov    %ebx,%eax
  22:	48 0f a3 05 ca 5e 2c 	bt     %rax,0xc2c5eca(%rip)        # 0xc2c5ef4
  29:	0c
* 2a:	73 0d                	jae    0x39 <-- trapping instruction
  2c:	e8 3b 4c 07 00       	call   0x74c6c
  31:	84 c0                	test   %al,%al
  33:	0f 84 53 05 00 00    	je     0x58c
  39:	48 c7 c0 84 3a 8a 8d 	mov    $0xffffffff8d8a3a84,%rax