binutils/binutils-readelf-no-sections.patch

30 lines
1.0 KiB
Diff

--- binutils.orig/binutils/readelf.c 2022-10-03 13:20:42.707527855 +0100
+++ binutils-2.39/binutils/readelf.c 2022-10-03 13:21:25.785436781 +0100
@@ -6357,6 +6357,13 @@ get_32bit_section_headers (Filedata * fi
/* PR binutils/17531: Cope with unexpected section header sizes. */
if (size == 0 || num == 0)
return false;
+
+ /* The section header cannot be at the start of the file - that is
+ where the ELF file header is located. A file with absolutely no
+ sections in it will use a shoff of 0. */
+ if (filedata->file_header.e_shoff == 0)
+ return false;
+
if (size < sizeof * shdrs)
{
if (! probe)
@@ -6421,6 +6428,12 @@ get_64bit_section_headers (Filedata * fi
if (size == 0 || num == 0)
return false;
+ /* The section header cannot be at the start of the file - that is
+ where the ELF file header is located. A file with absolutely no
+ sections in it will use a shoff of 0. */
+ if (filedata->file_header.e_shoff == 0)
+ return false;
+
if (size < sizeof * shdrs)
{
if (! probe)