Date: Tue, 15 Mar 2011 20:24:21 +0000 (UTC) From: Jilles Tjoelker <jilles@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/kern kern_descrip.c Message-ID: <201103152024.p2FKOdxO012679@repoman.freebsd.org>
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jilles 2011-03-15 20:24:21 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_8)
sys/kern kern_descrip.c
Log:
SVN rev 219677 on 2011-03-15 20:24:21Z by jilles
MFC r218019: Do not trip a KASSERT if /dev/null cannot be opened for a
setuid program.
The fdcheckstd() function makes sure fds 0, 1 and 2 are open by opening
/dev/null. If this fails (e.g. missing devfs or wrong permissions),
fdcheckstd() will return failure and the process will exit as if it received
SIGABRT. The KASSERT is only to check that kern_open() returns the expected
fd, given that it succeeded.
Tripping the KASSERT is most likely if fd 0 is open but fd 1 or 2 are not.
Revision Changes Path
1.357.2.5 +1 -1 src/sys/kern/kern_descrip.c
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