Oops: divide error: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 10141 Comm: kworker/u8:16 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:mac80211_hwsim_link_info_changed+0x460/0xd80 drivers/net/wireless/virtual/mac80211_hwsim.c:2556
Code: c6 48 8b 7c 24 18 48 8b 5c 24 38 74 0a e8 e8 7e 23 fb 48 8b 7c 24 18 48 8b 0f 89 ce 4c 89 e0 48 c1 e8 20 74 5a 4c 89 e0 31 d2 <48> f7 f6 eb 57 e8 86 12 c0 fa 48 8b 5c 24 18 48 8d 7b 10 e8 08 fe
RSP: 0018:ffffc900046e7860 EFLAGS: 00010246
RAX: 00063bfe9d3d5391 RBX: ffff888028e27048 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888028e27040
RBP: ffffc900046e7948 R08: ffffffff8fa39a37 R09: 1ffffffff1f47346
R10: dffffc0000000000 R11: ffffffff8167ba30 R12: 00063bfe9d3d5391
R13: ffff888028e26fc8 R14: dffffc0000000000 R15: 0000000000000200
FS:  0000000000000000(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2a1f1b1f98 CR3: 0000000028294000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 drv_link_info_changed+0x518/0x870 net/mac80211/driver-ops.c:-1
 ieee80211_offchannel_return+0x375/0x500 net/mac80211/offchannel.c:160
 __ieee80211_roc_work+0x265/0x320 net/mac80211/offchannel.c:480
 cfg80211_wiphy_work+0x2bb/0x470 net/wireless/core.c:435
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:mac80211_hwsim_link_info_changed+0x460/0xd80 drivers/net/wireless/virtual/mac80211_hwsim.c:2556
Code: c6 48 8b 7c 24 18 48 8b 5c 24 38 74 0a e8 e8 7e 23 fb 48 8b 7c 24 18 48 8b 0f 89 ce 4c 89 e0 48 c1 e8 20 74 5a 4c 89 e0 31 d2 <48> f7 f6 eb 57 e8 86 12 c0 fa 48 8b 5c 24 18 48 8d 7b 10 e8 08 fe
RSP: 0018:ffffc900046e7860 EFLAGS: 00010246
RAX: 00063bfe9d3d5391 RBX: ffff888028e27048 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888028e27040
RBP: ffffc900046e7948 R08: ffffffff8fa39a37 R09: 1ffffffff1f47346
R10: dffffc0000000000 R11: ffffffff8167ba30 R12: 00063bfe9d3d5391
R13: ffff888028e26fc8 R14: dffffc0000000000 R15: 0000000000000200
FS:  0000000000000000(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557fd405c8 CR3: 0000000074c46000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	48 8b 7c 24 18       	mov    0x18(%rsp),%rdi
   5:	48 8b 5c 24 38       	mov    0x38(%rsp),%rbx
   a:	74 0a                	je     0x16
   c:	e8 e8 7e 23 fb       	call   0xfb237ef9
  11:	48 8b 7c 24 18       	mov    0x18(%rsp),%rdi
  16:	48 8b 0f             	mov    (%rdi),%rcx
  19:	89 ce                	mov    %ecx,%esi
  1b:	4c 89 e0             	mov    %r12,%rax
  1e:	48 c1 e8 20          	shr    $0x20,%rax
  22:	74 5a                	je     0x7e
  24:	4c 89 e0             	mov    %r12,%rax
  27:	31 d2                	xor    %edx,%edx
* 29:	48 f7 f6             	div    %rsi <-- trapping instruction
  2c:	eb 57                	jmp    0x85
  2e:	e8 86 12 c0 fa       	call   0xfac012b9
  33:	48 8b 5c 24 18       	mov    0x18(%rsp),%rbx
  38:	48 8d 7b 10          	lea    0x10(%rbx),%rdi
  3c:	e8                   	.byte 0xe8
  3d:	08 fe                	or     %bh,%dh