Date: Tue, 22 Sep 2009 00:51:27 +1100 From: "Dima Panov" <fluffy@FreeBSD.org> To: "FreeBSD gnats submit" <FreeBSD-gnats-submit@FreeBSD.org> Subject: kern/139014: devfs: /dev/null must be immunable to delete/unlink Message-ID: <1253541087.99336@Fluffy.Khv.RU> Resent-Message-ID: <200909211400.n8LE04PT008001@freefall.freebsd.org>
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>Number: 139014
>Category: kern
>Synopsis: devfs: /dev/null must be immunable to delete/unlink
>Confidential: no
>Severity: critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Sep 21 14:00:04 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator: Dima Panov
>Release: FreeBSD 9.0-900001-CURRENT amd64
>Organization:
Fluffy.Khv.RU
>Environment:
System: FreeBSD 9.0-900001-CURRENT #0: Thu Sep 10 16:58:16 VLAST 2009
fluffy@Fluffy.Khv.RU:/usr/obj/usr/src/sys/Spot
>Description:
/dev/null affected by unlink process, which is not good and leads to hiding null from devfs tree.
It must be immunable to unlinking
>How-To-Repeat:
please run this small script (part of one configure script)
------------------
#!/bis/sh
cat >conftest.cpp <<EOF
int main() { return 0; }
EOF
gcc -o /dev/null conftest.cpp
------------------
after gcc ends node /dev/null will be absent and not autorecovered to available state.
>Fix:
unknown :(
>Release-Note:
>Audit-Trail:
>Unformatted:
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