divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 10383 Comm: kworker/u4:8 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: phy3 ieee80211_scan_work
RIP: 0010:mac80211_hwsim_bss_info_changed+0xd4b/0xf20 drivers/net/wireless/mac80211_hwsim.c:1781
Code: 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 11 00 0f 85 96 01 00 00 49 8b b6 90 12 00 00 49 8d be 20 13 00 00 31 d2 89 f1 <48> f7 f1 29 d6 b9 01 00 00 00 31 d2 48 69 f6 e8 03 00 00 e8 9d 60
RSP: 0018:ffff888041cdfa50 EFLAGS: 00010246
RAX: 0005eb66591524e1 RBX: 0000000000000200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888048d4c480
RBP: ffff888048ee7700 R08: ffffffff8c665058 R09: 000000000002baf6
R10: 0000000000000004 R11: ffffffff8c66505b R12: ffff888048d49840
R13: ffff888048d4c3f0 R14: ffff888048d4b160 R15: ffff888048d4b160
FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 000000009f70e000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 drv_bss_info_changed net/mac80211/driver-ops.h:178 [inline]
 ieee80211_bss_info_change_notify+0x311/0x920 net/mac80211/main.c:204
 ieee80211_offchannel_return+0x37e/0x540 net/mac80211/offchannel.c:180
 __ieee80211_scan_completed+0x6b3/0x1690 net/mac80211/scan.c:424
 ieee80211_scan_work+0x3be/0x19b0 net/mac80211/scan.c:1022
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace 8071b67f2c2a9e17 ]---
RIP: 0010:mac80211_hwsim_bss_info_changed+0xd4b/0xf20 drivers/net/wireless/mac80211_hwsim.c:1781
Code: 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 11 00 0f 85 96 01 00 00 49 8b b6 90 12 00 00 49 8d be 20 13 00 00 31 d2 89 f1 <48> f7 f1 29 d6 b9 01 00 00 00 31 d2 48 69 f6 e8 03 00 00 e8 9d 60
RSP: 0018:ffff888041cdfa50 EFLAGS: 00010246
RAX: 0005eb66591524e1 RBX: 0000000000000200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888048d4c480
RBP: ffff888048ee7700 R08: ffffffff8c665058 R09: 000000000002baf6
R10: 0000000000000004 R11: ffffffff8c66505b R12: ffff888048d49840
R13: ffff888048d4c3f0 R14: ffff888048d4b160 R15: ffff888048d4b160
FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa06c0ce000 CR3: 0000000093089000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
   7:	fc ff df
   a:	48 c1 e9 03          	shr    $0x3,%rcx
   e:	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)
  12:	0f 85 96 01 00 00    	jne    0x1ae
  18:	49 8b b6 90 12 00 00 	mov    0x1290(%r14),%rsi
  1f:	49 8d be 20 13 00 00 	lea    0x1320(%r14),%rdi
  26:	31 d2                	xor    %edx,%edx
  28:	89 f1                	mov    %esi,%ecx
* 2a:	48 f7 f1             	div    %rcx <-- trapping instruction
  2d:	29 d6                	sub    %edx,%esi
  2f:	b9 01 00 00 00       	mov    $0x1,%ecx
  34:	31 d2                	xor    %edx,%edx
  36:	48 69 f6 e8 03 00 00 	imul   $0x3e8,%rsi,%rsi
  3d:	e8                   	.byte 0xe8
  3e:	9d                   	popfq
  3f:	60                   	(bad)