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

Status: upstream: reported on 2025/07/09 18:18
Reported-by: syzbot+8d52e4836145dbe789ad@syzkaller.appspotmail.com
First crash: 65d, last: 36d
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd SYZFAIL: open of /dev/kcov failed -1 3 1379d 1379d 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=7 req=6793 state=1 status=67 (errno 35: Resource temporarily unavailable)
uvn_flush: obj=0xfffffd806da1b610, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!

Crashes (42):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/07 16:01 openbsd efaa42f7482b 04cffc22 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 11:08 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 10:41 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 10:19 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 10:10 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 09:51 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 09:48 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 09:48 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 09:44 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 09:30 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 09:08 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 08:52 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 08:48 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 08:30 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 08:09 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 07:38 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 07:01 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 05:38 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 04:27 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 04:08 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 04:00 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/17 03:36 openbsd 9ce74a582983 3cda49cf .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 03:33 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 03:27 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 02:59 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 02:58 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 02:25 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 02:10 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 01:23 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 01:17 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/10 00:22 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 23:15 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 22:08 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 22:04 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 21:53 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 21:38 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 21:01 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 20:36 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 20:08 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 19:52 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 18:23 openbsd e91e1a12e0dd 956bd956 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: open of /dev/kcov failed
2025/07/09 18:18 openbsd e91e1a12e0dd 956bd956 .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.