------------[ cut here ]------------
WARNING: CPU: 0 PID: 4990 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 0 PID: 4990 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Modules linked in:
CPU: 0 PID: 4990 Comm: syz.3.155 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:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Code: ff ff ff e8 40 d3 e3 f7 0f 0b 48 8b 7c 24 20 e8 04 90 7f fe e9 dd e9 ff ff e8 2a d3 e3 f7 0f 0b e9 f1 ee ff ff e8 1e d3 e3 f7 <0f> 0b e9 61 f2 ff ff e8 12 d3 e3 f7 48 c7 c7 f0 73 fa 8d 4c 89 f6
RSP: 0018:ffffc900000078a0 EFLAGS: 00010246
RAX: ffffffff899d0342 RBX: 0000000000000000 RCX: ffff888079061dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007aa8 R08: ffff888079061dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff92000000f2c
R13: dffffc0000000000 R14: ffff88807c2b2258 R15: ffff88807d091a00
FS:  00007fc0be3826c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0be381f98 CR3: 000000004f255000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5352
 ieee80211_beacon_get include/net/mac80211.h:5264 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:check_kcov_mode kernel/kcov.c:193 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 kernel/kcov.c:216
Code: d4 98 81 7e 65 8b 15 d5 98 81 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 <83> fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc
RSP: 0018:ffffc9000d41fa60 EFLAGS: 00000246
RAX: ffffffff8a07fc76 RBX: 0000000000000015 RCX: ffff888079061dc0
RDX: 0000000000000002 RSI: 0000000000000006 RDI: 0000000000000000
RBP: ffff8880178f9342 R08: dffffc0000000000 R09: ffffc9000d41fb70
R10: fffff52001a83f70 R11: 1ffff92001a83f6e R12: ffff8880232f9600
R13: 0000000000000000 R14: 0000000000000006 R15: dffffc0000000000
 radix_tree_next_chunk+0x516/0xb60 lib/radix-tree.c:1225
 idr_get_next_ul lib/idr.c:236 [inline]
 idr_get_next+0x177/0x330 lib/idr.c:267
 genl_bind+0x131/0x350 net/netlink/genetlink.c:1422
 netlink_bind+0x470/0xcf0 net/netlink/af_netlink.c:1019
 __sys_bind+0x2f4/0x3f0 net/socket.c:1811
 __do_sys_bind net/socket.c:1822 [inline]
 __se_sys_bind net/socket.c:1820 [inline]
 __x64_sys_bind+0x76/0x80 net/socket.c:1820
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc0bd58f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc0be382038 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 00007fc0bd7e6180 RCX: 00007fc0bd58f749
RDX: 000000000000000c RSI: 0000200000514ff4 RDI: 0000000000000006
RBP: 00007fc0bd613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc0bd7e6218 R14: 00007fc0bd7e6180 R15: 00007ffde4a2a978
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	98                   	cwtl
   1:	81 7e 65 8b 15 d5 98 	cmpl   $0x98d5158b,0x65(%rsi)
   8:	81 7e 81 e2 00 01 ff 	cmpl   $0xff0100e2,-0x7f(%rsi)
   f:	00 74 11 81          	add    %dh,-0x7f(%rcx,%rdx,1)
  13:	fa                   	cli
  14:	00 01                	add    %al,(%rcx)
  16:	00 00                	add    %al,(%rax)
  18:	75 35                	jne    0x4f
  1a:	83 b9 1c 16 00 00 00 	cmpl   $0x0,0x161c(%rcx)
  21:	74 2c                	je     0x4f
  23:	8b 91 f8 15 00 00    	mov    0x15f8(%rcx),%edx
* 29:	83 fa 02             	cmp    $0x2,%edx <-- trapping instruction
  2c:	75 21                	jne    0x4f
  2e:	48 8b 91 00 16 00 00 	mov    0x1600(%rcx),%rdx
  35:	48 8b 32             	mov    (%rdx),%rsi
  38:	48 8d 7e 01          	lea    0x1(%rsi),%rdi
  3c:	8b                   	.byte 0x8b
  3d:	89 fc                	mov    %edi,%esp