SYZFAIL: open of /dev/kcov failed (2)

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syzbot

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Jul 9, 2025, 2:18:31 PM7/9/25
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Hello,

syzbot found the following issue on:

HEAD commit: e91e1a12e0dd If the first argument of the .TH macro (the m..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=166d1a8c580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=8d52e4836145dbe789ad

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/2514d05977a5/disk-e91e1a12.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/3a5139122e1d/bsd-e91e1a12.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b6ee51bf6e95/kernel-e91e1a12.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8d52e4...@syzkaller.appspotmail.com

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=8 req=1211 state=1 status=67 (errno 4: Interrupted system call)


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syzbot

unread,
Jan 13, 2026, 1:37:15 PMJan 13
to syzkaller-o...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
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