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Fix potential memory leaks in some of the binutils source files.

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* rdcoff.c (parse_coff_struct_type): Free fields array upon early
	exit.
	(parse_coff_enum_type): Free names and vals arrays upon early
	exit.
	* rddbg.c (read_section_stabs_debugging_info): Free shandle and
	strings and stabs arrays upon early exit.
	* readelf.c (get_32bit_section_headers): Free shdrs structure upon
	early exit.
	(get_64bit_section_headers): Likewise.
	(get_32bit_elf_symbols): Generate an error if multiple symbol
	table index sections are associated with the same symbol section.
	(get_64bit_elf_symbols): Likewise.
	(process_dynamic_section): Generate an error if there are multiple
	dynamic symbol table sections, multiple dynamic string tables or
	multiple dynamic symbol information sections.
This commit is contained in:
Nick Clifton
2018-07-25 10:56:45 +01:00
parent 491993044b
commit e3d39609d1
4 changed files with 116 additions and 57 deletions
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4
binutils/rdcoff.c
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@@ -409,6 +409,7 @@ parse_coff_struct_type (bfd *abfd, struct coff_symbols *symbols,
{
non_fatal (_("bfd_coff_get_syment failed: %s"),
bfd_errmsg (bfd_get_error ()));
free (fields);
return DEBUG_TYPE_NULL;
}
@@ -425,6 +426,7 @@ parse_coff_struct_type (bfd *abfd, struct coff_symbols *symbols,
{
non_fatal (_("bfd_coff_get_auxent failed: %s"),
bfd_errmsg (bfd_get_error ()));
free (fields);
return DEBUG_TYPE_NULL;
}
psubaux = &auxent;
@@ -514,6 +516,8 @@ parse_coff_enum_type (bfd *abfd, struct coff_symbols *symbols,
{
non_fatal (_("bfd_coff_get_syment failed: %s"),
bfd_errmsg (bfd_get_error ()));
free (names);
free (vals);
return DEBUG_TYPE_NULL;
}