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List:       freebsd-bugs
Subject:    bin/17084: memory leak in getcap.c (libc)
From:       vova () express ! ru
Date:       2000-02-29 23:20:14
[Download RAW message or body]


> 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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