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: 27m
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 1307d 1307d 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=ffffffff821668cc (errno 4: Interrupted system call)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /dev/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: repeatedly failed to execute the program
proc=0 req=715 state=1 status=67 (errno 9: Bad file descriptor)


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

login: set $lines = 0
Password:
Login incorrect
login: show registers
Password:
Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl

Crashes (6281):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2025/09/15 02:34 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/15 00:33 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/14 23:29 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/14 22:51 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/14 18:08 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/14 16:38 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/09/14 15:33 freebsd-src bd7032e0b058 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.