syzbot


SYZFAIL: open of /dev/kcov failed

Status: upstream: reported on 2025/05/31 04:40
Reported-by: syzbot+d26dbed78df5a9959cc6@syzkaller.appspotmail.com
First crash: 110d, last: 7m

Sample crash report:
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: 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=4 req=36 state=1 status=67 (errno 9: Bad file descriptor)


FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

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Crashes (16960):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/18 04:37 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/18 03:37 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/18 01:59 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 23:48 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 22:35 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 22:29 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 20:13 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 18:58 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 18:19 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 18:12 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 17:08 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 17:08 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 16:00 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 14:41 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 14:11 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 13:00 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 11:57 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 11:09 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 10:01 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 08:57 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 07:56 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 07:24 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 06:20 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 05:08 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 04:33 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/17 02:06 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 23:21 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 22:52 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 21:45 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 20:40 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 19:25 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 18:50 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 17:29 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 15:12 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 15:04 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 13:50 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 13:06 freebsd-src 34a006eaa39c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/16 11:33 freebsd-src 34a006eaa39c e2beed91 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/05/31 04:40 freebsd-src f2a193a967e3 3d2f584d console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2025/09/18 05:41 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
2025/09/18 00:51 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
2025/09/17 21:27 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
2025/09/17 03:26 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
2025/09/17 03:19 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
2025/09/17 00:23 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
2025/09/16 16:28 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
* Struck through repros no longer work on HEAD.