syzbot


SYZFAIL: open of /dev/kcov failed (3)

Status: upstream: reported on 2026/02/05 10:19
Reported-by: syzbot+174f93ef347d559b80d0@syzkaller.appspotmail.com
First crash: 15d, last: 15d
Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd SYZFAIL: open of /dev/kcov failed (2) -1 74 88d 226d 0/3 auto-obsoleted due to no activity on 2026/01/13 18:37
openbsd SYZFAIL: open of /dev/kcov failed -1 3 1540d 1540d 0/3 closed as invalid on 2021/12/04 21:28

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=2 req=7865 state=1 status=67 (errno 4: Interrupted system call)
56.&,53(: /"*=08&&&&&$806%"3#!&8, /&&3%4=083&&000.  %22/2 $52).' 0!'%/54.
56.&,53(: 	: #(!.'%3 4/ 0!'% -!9 "% ,/34!

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/05 10:19 openbsd f4cdf487c26e 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
* Struck through repros no longer work on HEAD.