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: 260d, last: 20d

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=276 state=1 status=67 (errno 9: Bad file descriptor)

Crashes (27124):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/25 20:09 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 20:07 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 16:49 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 15:25 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 15:23 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 14:21 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 13:03 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 11:52 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 11:13 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 10:09 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 08:59 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 07:48 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 06:44 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 05:15 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 04:51 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 03:43 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 02:19 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 01:11 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/25 00:58 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 23:50 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 21:31 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 20:20 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 19:03 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 17:36 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 16:23 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 15:35 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 14:26 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 13:25 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 13:24 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 12:10 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 11:10 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 11:08 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 10:07 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 07:44 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 06:22 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 05:09 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 03:17 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/24 00:57 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/23 23:54 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: open of /dev/kcov failed
2026/01/23 22:31 freebsd-src a3394b6a23fb 4f25b9b4 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
2026/01/25 18:58 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
2026/01/25 17:48 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
2026/01/24 22:33 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: open of /dev/kcov failed
* Struck through repros no longer work on HEAD.