>Number: 189941
>Category: kern
>Synopsis: getgroups(2) implements first argument as unsigned int
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon May 19 09:30:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator: Peter Holm
>Release: 11.0-CURRENT
>Organization:
>Environment:
FreeBSD x4.osted.lan 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r265724: Fri May 9
03:32:53 CEST 2014 [email protected]:/usr/src/sys/i386/compile/PHO i386
>Description:
Passing -1 as gidsetlen is not detected. Discovered by ATF. Caught on Ubuntu
and OS/X.
>How-To-Repeat:
#include <err.h>
#include <errno.h>
#include <unistd.h>
#include <sys/param.h>
int
main(void)
{
gid_t gidset[NGROUPS_MAX];
if (getgroups(-1, gidset) != -1)
errx(1, "getgroups(-1, ...) must fail.");
else
if (errno != EINVAL)
err(1, "getgroups(-1, ...) failed.");
return (0);
}
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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