syzbot


SYZFAIL: invalid kcov comp type (4)

Status: upstream: reported on 2025/02/11 17:01
Reported-by: syzbot+e18a17c4a5dabeb7ef76@syzkaller.appspotmail.com
First crash: 315d, last: 11h16m
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: invalid kcov comp type (3) -1 1 504d 504d 0/2 auto-obsoleted due to no activity on 2024/11/04 18:01
freebsd SYZFAIL: invalid kcov comp type (2) -1 1 1405d 1405d 0/2 auto-closed as invalid on 2022/05/19 02:41
freebsd SYZFAIL: invalid kcov comp type -1 1443 1636d 1766d 0/2 auto-closed as invalid on 2021/08/31 08:25

Sample crash report:
SYZFAIL: invalid kcov comp type
type=ffffffff8178ca60 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: invalid kcov comp type
type=ffffffff81664613 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: invalid kcov comp type
type=ffffffff815eb7d9 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: invalid kcov comp type
type=ffffffff816a4b9f (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: repeatedly failed to execute the program
proc=2 req=3 state=3 status=67 (errno 35: Resource temporarily unavailable)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400


FreeBSD/amd64 (ci-freebsd-i386-2.us-central1-b.c.syzkaller.internal) (ttyu0)

login: set $lines = 0
Password:
Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
show registers
Password:
Login incorrect
login: ps
Dec 23 21:11:36 ci-freebsd-i386-2 login[747]: 2 LOGIN FAILURES ON ttyu0
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl

Crashes (6824):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/23 21:11 freebsd-src 3c83b5d340f6 5dc09de1 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/22 14:19 freebsd-src a35bbd5d9f5f 49b0fb03 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/22 10:02 freebsd-src a35bbd5d9f5f 49b0fb03 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/20 23:20 freebsd-src dd5a48f95786 e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/20 15:41 freebsd-src 7f39d05b67ae e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/20 10:16 freebsd-src 7f39d05b67ae e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/20 09:13 freebsd-src 7f39d05b67ae e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/20 07:41 freebsd-src 7f39d05b67ae e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/19 19:27 freebsd-src 2804461adfc6 e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/19 11:32 freebsd-src 391e8709315d e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/19 10:06 freebsd-src 391e8709315d e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/18 23:01 freebsd-src cf5eed715915 e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/18 21:21 freebsd-src cf5eed715915 e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/18 19:41 freebsd-src cf5eed715915 e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/18 12:38 freebsd-src cf5eed715915 e14dbeb9 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/18 09:25 freebsd-src cf5eed715915 a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/18 03:09 freebsd-src 3527e7e9f7b2 a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/17 18:00 freebsd-src f94bfc469df9 a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/17 04:04 freebsd-src 7a83fedc116d a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/16 15:52 freebsd-src 52395203f9ac a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/16 01:12 freebsd-src 4bf8ce037dc8 a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/13 17:24 freebsd-src c42bce238abd a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/13 16:11 freebsd-src c42bce238abd a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/13 01:35 freebsd-src 3b8e13c4696e a066d2bc console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/08 06:46 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/08 03:08 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/08 01:54 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/08 00:09 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/07 22:56 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/07 21:24 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/07 05:16 freebsd-src 6f4debc004c3 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/06 17:33 freebsd-src ced74610217f cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/05 15:03 freebsd-src fc88be257e30 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/04 22:01 freebsd-src a8b0208e7e98 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/04 10:56 freebsd-src 1ba6fd3de531 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/12/04 09:54 freebsd-src 1ba6fd3de531 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/11/30 09:17 freebsd-src 02b72b1540bf 01c07bfe console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/11/30 03:39 freebsd-src 02b72b1540bf 01c07bfe console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/11/29 12:55 freebsd-src 3d91a746380e 01c07bfe console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/11/24 20:49 freebsd-src 5995c036df48 bf6fe8fe console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/11/24 04:20 freebsd-src 5cc34a83e1cc 4fb8ef37 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/11/24 03:15 freebsd-src 5cc34a83e1cc 4fb8ef37 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/11/24 01:36 freebsd-src 5cc34a83e1cc 4fb8ef37 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/11/22 12:00 freebsd-src a8740ba860bf 4fb8ef37 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/02/11 17:00 freebsd-src 85c333a947e9 f2baddf5 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
* Struck through repros no longer work on HEAD.