Date: Tue, 29 Feb 2000 15:20:14 -0800 (PST) From: vova@express.ru To: freebsd-gnats-submit@FreeBSD.org Subject: bin/17084: memory leak in getcap.c (libc) Message-ID: <200002292320.PAA93631@freefall.freebsd.org>
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>Number: 17084
>Category: bin
>Synopsis: memory leak in getcap.c (libc)
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Feb 29 15:30:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator: Vladimir B. Grebenschikov
>Release: FreeBSD-4.0-CURRENT
>Organization:
TSB Russian Express
>Environment:
FreeBSD lightning.express.ru 4.0-CURRENT FreeBSD 4.0-CURRENT #3: Sun Feb 27 09:26:03 MSK 2000 root@lightning.express.ru:/usr/local/src/fbsd/src/sys/compile/LIGHTNING i386
>Description:
Compile ang run program below
and all your memory will eaten very quckly
each itteration "eats" about 1.5k memory
---
I have dip a bit into problem and found that memory leaks in
cgetent() called from login_getclassbyname()
>How-To-Repeat:
#include <stdio.h>
#include <sys/types.h>
#include <login_cap.h>
#include <pwd.h>
main()
{
struct passwd *ent;
int uid;
ent = getpwnam("nobody");
while(1) {
login_cap_t *lc;
uid = ent->pw_uid;
if ( (lc = login_getclassbyname("root", ent)) == NULL )
perror("login_getclassbyname: ");
login_close(lc);
}
}
>Fix:
don't know
>Release-Note:
>Audit-Trail:
>Unformatted:
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