Oops: divide error: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 1148 Comm: kworker/u8:6 Not tainted 6.15.0-rc1-syzkaller #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_set_tsf+0x139/0x170 drivers/net/wireless/virtual/mac80211_hwsim.c:1239
Code: 48 89 9d 30 3f 00 00 4c 89 b5 28 3f 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 9f cf c4 fa 45 89 ff 4c 89 e8 31 d2 <49> f7 f7 4d 29 ee 48 89 d3 48 f7 db eb a5 e8 54 40 29 fb e9 e7 fe
RSP: 0018:ffffc90003ff7ad8 EFLAGS: 00010246
RAX: 00063249cd8022f2 RBX: 00063249cd8022f3 RCX: ffffffff86f66d11
RDX: 0000000000000000 RSI: ffffffff86f66d71 RDI: 0000000000000006
RBP: ffff8880236830a0 R08: 0000000000000006 R09: 0000000000000001
R10: 00063249cd8022f3 R11: 0000000000000000 R12: 0000000000000001
R13: 00063249cd8022f2 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881249b9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7019ad56c0 CR3: 00000000336ea000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
drv_set_tsf+0x223/0x590 net/mac80211/driver-ops.c:277
ieee80211_if_parse_tsf+0x2c8/0x560 net/mac80211/debugfs_netdev.c:701
wiphy_locked_debugfs_write_work+0xe3/0x1c0 net/wireless/debugfs.c:215
cfg80211_wiphy_work+0x3dc/0x550 net/wireless/core.c:435
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 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_set_tsf+0x139/0x170 drivers/net/wireless/virtual/mac80211_hwsim.c:1239
Code: 48 89 9d 30 3f 00 00 4c 89 b5 28 3f 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 9f cf c4 fa 45 89 ff 4c 89 e8 31 d2 <49> f7 f7 4d 29 ee 48 89 d3 48 f7 db eb a5 e8 54 40 29 fb e9 e7 fe
RSP: 0018:ffffc90003ff7ad8 EFLAGS: 00010246
RAX: 00063249cd8022f2 RBX: 00063249cd8022f3 RCX: ffffffff86f66d11
RDX: 0000000000000000 RSI: ffffffff86f66d71 RDI: 0000000000000006
RBP: ffff8880236830a0 R08: 0000000000000006 R09: 0000000000000001
R10: 00063249cd8022f3 R11: 0000000000000000 R12: 0000000000000001
R13: 00063249cd8022f2 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881249b9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7019ad56c0 CR3: 0000000034a5e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 48 89 9d 30 3f 00 00 mov %rbx,0x3f30(%rbp)
7: 4c 89 b5 28 3f 00 00 mov %r14,0x3f28(%rbp)
e: 5b pop %rbx
f: 5d pop %rbp
10: 41 5c pop %r12
12: 41 5d pop %r13
14: 41 5e pop %r14
16: 41 5f pop %r15
18: c3 ret
19: cc int3
1a: cc int3
1b: cc int3
1c: cc int3
1d: e8 9f cf c4 fa call 0xfac4cfc1
22: 45 89 ff mov %r15d,%r15d
25: 4c 89 e8 mov %r13,%rax
28: 31 d2 xor %edx,%edx
* 2a: 49 f7 f7 div %r15 <-- trapping instruction
2d: 4d 29 ee sub %r13,%r14
30: 48 89 d3 mov %rdx,%rbx
33: 48 f7 db neg %rbx
36: eb a5 jmp 0xffffffdd
38: e8 54 40 29 fb call 0xfb294091
3d: e9 .byte 0xe9
3e: e7 fe out %eax,$0xfe