divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5572 Comm: kworker/u4:16 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: phy48 ieee80211_roc_work
RIP: 0010:mac80211_hwsim_bss_info_changed+0x419/0xfd0 drivers/net/wireless/mac80211_hwsim.c:2037
Code: 49 03 1f 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 49 89 c5 74 08 4c 89 f7 e8 31 45 d6 fb 49 8b 0e 89 ce 48 89 d8 31 d2 <48> f7 f6 29 d1 48 69 f1 e8 03 00 00 48 8b 7c 24 20 31 d2 b9 05 00
RSP: 0018:ffffc90003077a80 EFLAGS: 00010246
RAX: 000624264b08e98d RBX: 000624264b08e98d RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000040
RBP: ffffc90003077b58 R08: ffffffff816fb511 R09: fffffbfff20e2426
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000200
R13: dffffc0000000000 R14: ffff88807a7b6fc0 R15: ffff88807a7b7120
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000200002 CR3: 0000000051bbc000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
drv_bss_info_changed net/mac80211/driver-ops.h:177 [inline]
ieee80211_bss_info_change_notify+0x2fd/0x540 net/mac80211/main.c:210
ieee80211_offchannel_return+0x325/0x460 net/mac80211/offchannel.c:158
__ieee80211_roc_work+0x287/0x340 net/mac80211/offchannel.c:444
ieee80211_roc_work+0x2b/0x40 net/mac80211/offchannel.c:458
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
Modules linked in:
---[ end trace 97aa67d40f79e3dd ]---
RIP: 0010:mac80211_hwsim_bss_info_changed+0x419/0xfd0 drivers/net/wireless/mac80211_hwsim.c:2037
Code: 49 03 1f 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 49 89 c5 74 08 4c 89 f7 e8 31 45 d6 fb 49 8b 0e 89 ce 48 89 d8 31 d2 <48> f7 f6 29 d1 48 69 f1 e8 03 00 00 48 8b 7c 24 20 31 d2 b9 05 00
RSP: 0018:ffffc90003077a80 EFLAGS: 00010246
RAX: 000624264b08e98d RBX: 000624264b08e98d RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000040
RBP: ffffc90003077b58 R08: ffffffff816fb511 R09: fffffbfff20e2426
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000200
R13: dffffc0000000000 R14: ffff88807a7b6fc0 R15: ffff88807a7b7120
FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f42fb709d60 CR3: 000000000c68e000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 49 03 1f add (%r15),%rbx
3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
a: fc ff df
d: 41 80 7c 05 00 00 cmpb $0x0,0x0(%r13,%rax,1)
13: 49 89 c5 mov %rax,%r13
16: 74 08 je 0x20
18: 4c 89 f7 mov %r14,%rdi
1b: e8 31 45 d6 fb call 0xfbd64551
20: 49 8b 0e mov (%r14),%rcx
23: 89 ce mov %ecx,%esi
25: 48 89 d8 mov %rbx,%rax
28: 31 d2 xor %edx,%edx
* 2a: 48 f7 f6 div %rsi <-- trapping instruction
2d: 29 d1 sub %edx,%ecx
2f: 48 69 f1 e8 03 00 00 imul $0x3e8,%rcx,%rsi
36: 48 8b 7c 24 20 mov 0x20(%rsp),%rdi
3b: 31 d2 xor %edx,%edx
3d: b9 .byte 0xb9
3e: 05 .byte 0x5