On Wed, 2009-12-30 at 16:32 -0800, Ed Swierk wrote:
> When I run the following on a F12 system booted with selinux=0, the
> tcmalloc heap checker complains about a leak somewhere in libselinux:
>
> $ HEAPCHECK=normal LD_PRELOAD=/usr/lib64/libtcmalloc.so.0
> /usr/bin/python -c 'import _ssl'
>
> Leak check _main_ detected leaks of 120 bytes in 1 objects
> The 1 largest leaks:
> Leak of 120 bytes in 1 objects allocated from:
> @ 0x3bf9866589 _IO_getdelim
> @ 0x3bfb40ca53 set_selinuxmnt
> @ 0x3bfb414fe6 string_to_security_class
> @ 0x3bfb404cdb _init
> @ 0x7fff4bdfa8ed 0x00007fff4bdfa8ed
>
> No leak is detected when I run this with selinux enabled. My system
> has libselinux-2.0.87-1.fc12 installed.
Likely introduced by Eric's short cut for checking /proc/filesystems and
bailing immediately in the non-selinux case. Try this:
diff --git a/libselinux/src/init.c b/libselinux/src/init.c
index ecb3199..4d010dc 100644
--- a/libselinux/src/init.c
+++ b/libselinux/src/init.c
@@ -59,8 +59,10 @@ static void init_selinuxmnt(void)
}
fclose(fp);
- if (!exists)
+ if (!exists) {
+ free(buf);
return;
+ }
/* At this point, the usual spot doesn't have an selinuxfs so
* we look around for it */
--
Stephen Smalley
National Security Agency
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