Oops: divide error: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 20262 Comm: kworker/u8:14 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:mac80211_hwsim_link_info_changed+0x4d1/0x1010 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2737
Code: 0b 49 89 fc e8 a0 82 04 fb 4c 89 e7 48 c7 07 00 00 00 00 41 c6 44 1e 04 f8 eb 2b e8 49 ea 96 fa e9 d1 fd ff ff 44 89 e0 31 d2 <f7> f6 29 d1 48 69 f1 e8 03 00 00 48 8b 7c 24 48 31 d2 b9 05 00 00
RSP: 0000:ffffc900065d7880 EFLAGS: 00010246
RAX: 000000004aafc069 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c4bdc80
RBP: ffffc900065d7978 R08: ffffffff90579137 R09: 1ffffffff20af226
R10: dffffc0000000000 R11: fffffbfff20af227 R12: 000000004aafc069
R13: ffff888070527c08 R14: 1ffff92000cbaf1c R15: 0000000000000200
FS:  0000000000000000(0000) GS:ffff888124f4e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f4f87ff4 CR3: 0000000024912000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drv_link_info_changed+0x4ba/0x810 net/mac80211/driver-ops.c:-1
 ieee80211_offchannel_return+0x383/0x500 net/mac80211/offchannel.c:160
 __ieee80211_scan_completed+0x734/0xb20 net/mac80211/scan.c:519
 cfg80211_wiphy_work+0x29e/0x420 net/wireless/core.c:538
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 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+0x4d1/0x1010 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2737
Code: 0b 49 89 fc e8 a0 82 04 fb 4c 89 e7 48 c7 07 00 00 00 00 41 c6 44 1e 04 f8 eb 2b e8 49 ea 96 fa e9 d1 fd ff ff 44 89 e0 31 d2 <f7> f6 29 d1 48 69 f1 e8 03 00 00 48 8b 7c 24 48 31 d2 b9 05 00 00
RSP: 0000:ffffc900065d7880 EFLAGS: 00010246
RAX: 000000004aafc069 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c4bdc80
RBP: ffffc900065d7978 R08: ffffffff90579137 R09: 1ffffffff20af226
R10: dffffc0000000000 R11: fffffbfff20af227 R12: 000000004aafc069
R13: ffff888070527c08 R14: 1ffff92000cbaf1c R15: 0000000000000200
FS:  0000000000000000(0000) GS:ffff88812504e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000575c821c CR3: 000000002238e000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	0b 49 89             	or     -0x77(%rcx),%ecx
   3:	fc                   	cld
   4:	e8 a0 82 04 fb       	call   0xfb0482a9
   9:	4c 89 e7             	mov    %r12,%rdi
   c:	48 c7 07 00 00 00 00 	movq   $0x0,(%rdi)
  13:	41 c6 44 1e 04 f8    	movb   $0xf8,0x4(%r14,%rbx,1)
  19:	eb 2b                	jmp    0x46
  1b:	e8 49 ea 96 fa       	call   0xfa96ea69
  20:	e9 d1 fd ff ff       	jmp    0xfffffdf6
  25:	44 89 e0             	mov    %r12d,%eax
  28:	31 d2                	xor    %edx,%edx
* 2a:	f7 f6                	div    %esi <-- trapping instruction
  2c:	29 d1                	sub    %edx,%ecx
  2e:	48 69 f1 e8 03 00 00 	imul   $0x3e8,%rcx,%rsi
  35:	48 8b 7c 24 48       	mov    0x48(%rsp),%rdi
  3a:	31 d2                	xor    %edx,%edx
  3c:	b9                   	.byte 0xb9
  3d:	05                   	.byte 0x5