Oops: divide error: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.14.0-syzkaller-13546-g16cd1c265776 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:mac80211_hwsim_link_info_changed+0x42a/0xf10 drivers/net/wireless/virtual/mac80211_hwsim.c:2549
Code: 00 49 89 c5 74 08 4c 89 ff e8 22 25 cf fa 49 8b 0f 89 ce 48 89 d8 48 c1 e8 20 4c 8b 74 24 10 0f 84 18 01 00 00 48 89 d8 31 d2 <48> f7 f6 e9 11 01 00 00 e8 89 fb 64 fa eb 05 e8 82 fb 64 fa 4c 8d
RSP: 0018:ffffc90000117700 EFLAGS: 00010246
RAX: 000632276c5d693b RBX: 000632276c5d693b RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000040
RBP: ffffc900001177f0 R08: ffffffff81b0eef1 R09: 1ffffffff20bfbee
R10: dffffc0000000000 R11: ffffffff81624770 R12: 0000000000000200
R13: dffffc0000000000 R14: 1ffff92000022eec R15: ffff88807a30f040
FS: 0000000000000000(0000) GS:ffff888125096000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000008000579c CR3: 0000000068a92000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
drv_link_info_changed+0x53d/0x8b0 net/mac80211/driver-ops.c:-1
ieee80211_offchannel_return+0x3a4/0x530 net/mac80211/offchannel.c:160
__ieee80211_scan_completed+0x77f/0xb60 net/mac80211/scan.c:495
ieee80211_scan_work+0x1d6/0x1dd0 net/mac80211/scan.c:1162
cfg80211_wiphy_work+0x2f0/0x490 net/wireless/core.c:435
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
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+0x42a/0xf10 drivers/net/wireless/virtual/mac80211_hwsim.c:2549
Code: 00 49 89 c5 74 08 4c 89 ff e8 22 25 cf fa 49 8b 0f 89 ce 48 89 d8 48 c1 e8 20 4c 8b 74 24 10 0f 84 18 01 00 00 48 89 d8 31 d2 <48> f7 f6 e9 11 01 00 00 e8 89 fb 64 fa eb 05 e8 82 fb 64 fa 4c 8d
RSP: 0018:ffffc90000117700 EFLAGS: 00010246
RAX: 000632276c5d693b RBX: 000632276c5d693b RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000040
RBP: ffffc900001177f0 R08: ffffffff81b0eef1 R09: 1ffffffff20bfbee
R10: dffffc0000000000 R11: ffffffff81624770 R12: 0000000000000200
R13: dffffc0000000000 R14: 1ffff92000022eec R15: ffff88807a30f040
FS: 0000000000000000(0000) GS:ffff888125096000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000080065018 CR3: 000000005144e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 49 89 c5 mov %rax,%r13
3: 74 08 je 0xd
5: 4c 89 ff mov %r15,%rdi
8: e8 22 25 cf fa call 0xfacf252f
d: 49 8b 0f mov (%r15),%rcx
10: 89 ce mov %ecx,%esi
12: 48 89 d8 mov %rbx,%rax
15: 48 c1 e8 20 shr $0x20,%rax
19: 4c 8b 74 24 10 mov 0x10(%rsp),%r14
1e: 0f 84 18 01 00 00 je 0x13c
24: 48 89 d8 mov %rbx,%rax
27: 31 d2 xor %edx,%edx
* 29: 48 f7 f6 div %rsi <-- trapping instruction
2c: e9 11 01 00 00 jmp 0x142
31: e8 89 fb 64 fa call 0xfa64fbbf
36: eb 05 jmp 0x3d
38: e8 82 fb 64 fa call 0xfa64fbbf
3d: 4c rex.WR
3e: 8d .byte 0x8d