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Re: [RFA] readelf.c (process_gnu_liblist): Stop memory leak.


Richard Sandiford wrote:
Michael Snyder <msnyder@vmware.com> writes:
OK?

2011-03-07 Michael Snyder <msnyder@msnyder-server.eng.vmware.com>

* readelf.c (process_gnu_liblist): Stop memory leak.

Index: readelf.c
===================================================================
RCS file: /cvs/src/src/binutils/readelf.c,v
retrieving revision 1.534
diff -u -p -r1.534 readelf.c
--- readelf.c 1 Mar 2011 00:02:32 -0000 1.534
+++ readelf.c 8 Mar 2011 01:27:07 -0000
@@ -11807,7 +11811,7 @@ process_gnu_liblist (FILE * file)
Elf_Internal_Shdr * section;
Elf_Internal_Shdr * string_sec;
Elf32_External_Lib * elib;
- char * strtab;
+ char * strtab = NULL;
size_t strtab_size;
size_t cnt;
unsigned i;
@@ -11833,6 +11837,7 @@ process_gnu_liblist (FILE * file)
break;
string_sec = section_headers + section->sh_link;
+ free (strtab);
strtab = (char *) get_data (NULL, file, string_sec->sh_offset, 1,
string_sec->sh_size,
_("liblist string table"));
@@ -11886,6 +11891,7 @@ process_gnu_liblist (FILE * file)
}
}
+ free (strtab);
return 1;
}

Why not simply free strtab at the same time as elib? That version is preapproved, if it works.

I have no test for it. Found by static analysis.



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