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: 340d, last: 2d11h
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 529d 529d 0/2 auto-obsoleted due to no activity on 2024/11/04 18:01
freebsd SYZFAIL: invalid kcov comp type (2) -1 1 1429d 1429d 0/2 auto-closed as invalid on 2022/05/19 02:41
freebsd SYZFAIL: invalid kcov comp type -1 1443 1660d 1791d 0/2 auto-closed as invalid on 2021/08/31 08:25

Sample crash report:
SYZFAIL: invalid kcov comp type
type=ffffffff815297e3 (errno 4: Interrupted system call)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: invalid kcov comp type
type=ffffffff817d4c45 (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: 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=0 req=10 state=3 status=67 (errno 9: Bad file descriptor)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058740000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058740000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058740000


FreeBSD/amd64 (ci-freebsd-i386-3.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058740000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058740000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058740000
set $lines = 0
Password:
Login incorrect
login: show registers
Password:
Login incorrect
login: ps
Jan  1 00:00:08 ci-freebsd-i386-3 login[747]: 2 LOGIN FAILURES ON ttyu0
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl

Crashes (6950):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/15 11:16 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/14 16:22 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/14 00:56 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/13 01:23 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/12 22:54 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/12 09:13 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/11 02:58 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/10 17:32 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/10 13:36 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/10 02:11 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/10 01:13 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/09 21:48 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/09 20:21 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/09 18:17 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/09 15:36 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/09 14:16 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/09 07:14 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/09 04:07 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 20:50 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 19:37 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 17:22 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 16:10 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 13:26 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 10:47 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 06:16 freebsd-src a3394b6a23fb c1f5c7d0 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 04:56 freebsd-src a3394b6a23fb c1f5c7d0 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 04:47 freebsd-src a3394b6a23fb c1f5c7d0 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 01:49 freebsd-src a3394b6a23fb c1f5c7d0 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/08 00:06 freebsd-src a3394b6a23fb c1f5c7d0 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/07 22:42 freebsd-src a3394b6a23fb c1f5c7d0 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/07 11:28 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/07 08:40 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/07 05:31 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/07 01:31 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 22:34 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 20:58 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 17:21 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 09:15 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 05:46 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 04:52 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 03:49 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 01:40 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/06 00:31 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/05 23:29 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/05 23:23 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/05 21:08 freebsd-src a3394b6a23fb 917fe602 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/05 17:44 freebsd-src a3394b6a23fb 917fe602 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/05 14:48 freebsd-src a3394b6a23fb 917fe602 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/05 13:42 freebsd-src a3394b6a23fb 917fe602 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/05 06:31 freebsd-src a3394b6a23fb e3fbc05e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2026/01/04 04:57 freebsd-src a3394b6a23fb e3fbc05e 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.