panic: unhandled af (6)

panic: unhandled af (6)

Status: upstream: reported on 2026/05/06 07:48
Reported-by: syzbot+18702aa07d5443a7e32b@syzkaller.appspotmail.com
First crash: 31d, last: 31d

▶ ▼ Similar bugs (5)

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
openbsd	panic: unhandled af	2	C			21	2344d	2346d	3/3	fixed on 2020/01/09 12:20
openbsd	panic: unhandled af (5)	2				5	229d	322d	0/3	auto-obsoleted due to no activity on 2026/01/18 09:28
openbsd	panic: unhandled af (3)	2	syz			7	2158d	2167d	0/3	closed as invalid on 2020/10/03 07:42
openbsd	panic: unhandled af (4)	2	syz			11	1596d	1625d	3/3	fixed on 2022/01/25 13:33
openbsd	panic: unhandled af (2)	2	C			22	2170d	2196d	3/3	fixed on 2020/06/28 14:37

Sample crash report:

panic: unhandled af 18
Starting stack trace...
panic(ffffffff8347b87e) at panic+0x1d0 sys/kern/subr_prf.c:229

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/05/06 07:48	openbsd	eec9cf095b26	340bcdf0	.config	console log	report				[disk image] [bsd.gdb] [kernel image]	ci-openbsd-multicore	panic: unhandled af

* ~~Struck through~~ repros no longer work on HEAD.