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: 218d, last: 17m
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 407d 407d 0/2 auto-obsoleted due to no activity on 2024/11/04 18:01
freebsd SYZFAIL: invalid kcov comp type (2) -1 1 1308d 1308d 0/2 auto-closed as invalid on 2022/05/19 02:41
freebsd SYZFAIL: invalid kcov comp type -1 1443 1538d 1669d 0/2 auto-closed as invalid on 2021/08/31 08:25

Sample crash report:
SYZFAIL: invalid kcov comp type
type=ffffffff81e1b33f (errno 4: Interrupted system call)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: invalid kcov comp type
type=ffffffff821668cc (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: invalid kcov comp type
type=ffffffff821668cc (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: invalid kcov comp type
type=ffffffff821294d9 (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=63 state=3 status=67 (errno 35: Resource temporarily unavailable)
if_delmulti_locked: detaching ifnet instance 0xfffffe00783d9000
if_delmulti_locked: detaching ifnet instance 0xfffffe00783d9000
if_delmulti_locked: detaching ifnet instance 0xfffffe00783d9000
if_delmulti_locked: detaching ifnet instance 0xfffffe00783d9000
if_delmulti_locked: detaching ifnet instance 0xfffffe00783d9000
if_delmulti_locked: detaching ifnet instance 0xfffffe00783d9000


FreeBSD/amd64 (ci-freebsd-i386-0.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058575000
set $lines = 0
Password:
Login incorrect
login: show registers
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000

Login incorrect
login: ps
Sep 18 04:42:48 ci-freebsd-i386-0 login[747]: 2 LOGIN FAILURES ON ttyu0
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl

Crashes (6305):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/18 04:42 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/18 03:09 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/18 01:57 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/18 00:29 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 23:11 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 21:37 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 20:35 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 19:27 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 18:47 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 15:47 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 12:50 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 11:04 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 07:51 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 06:54 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 05:12 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 05:12 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/17 00:48 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 23:36 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 22:26 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 19:00 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 18:01 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 16:25 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 12:03 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 10:08 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 08:35 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 07:33 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 06:25 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 05:23 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 04:10 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 02:52 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/16 01:42 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 22:53 freebsd-src e239f49146e0 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 21:57 freebsd-src e239f49146e0 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 19:27 freebsd-src e239f49146e0 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 18:15 freebsd-src e239f49146e0 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 16:25 freebsd-src e239f49146e0 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 13:38 freebsd-src e239f49146e0 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 13:08 freebsd-src e239f49146e0 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 09:14 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 07:12 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 06:12 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 05:01 freebsd-src 52096ba6b769 e2beed91 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.