espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-06-24 20:28:28 +08:00
Code Issues Packages Projects Releases Wiki Activity

Check the external compression header size

Browse Source 
Since the internal compression header size can be bigger than the
external compression header size, we should check the external
compression header size.

	* readelf.c (load_specific_debug_section): Check the external
	compression header size.
This commit is contained in:
H.J. Lu
2016-08-29 08:49:20 -07:00
parent 74437ea28f
commit f53be9779b
2 changed files with 11 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
binutils/ChangeLog
View File

@ -1,3 +1,8 @@
2016-08-29 H.J. Lu <hongjiu.lu@intel.com>
* readelf.c (load_specific_debug_section): Check the external
compression header size.
2016-08-19 Nick Clifton <nickc@redhat.com> 2016-08-19 Nick Clifton <nickc@redhat.com>
* testsuite/binutils-all/readelf.s: Adjust expected ordering of * testsuite/binutils-all/readelf.s: Adjust expected ordering of
@ -17,9 +22,9 @@
off the end of the section when populating the directory table and off the end of the section when populating the directory table and
file table. file table.
(frame_display_row): Set max_regs equal to ncols. (frame_display_row): Set max_regs equal to ncols.
(load_specific_debug_section): If the section is compressed, but * readelf.c (load_specific_debug_section): If the section is
it is not big enough to hold a compression header then warn and compressed, but it is not big enough to hold a compression
return 0. header then warn and return 0.
PR binutils/20439 PR binutils/20439
* dwarf.c (display_debug_lines_decoded): Check directory and file * dwarf.c (display_debug_lines_decoded): Check directory and file

4
binutils/readelf.c
View File

@ -12706,7 +12706,9 @@ load_specific_debug_section (enum dwarf_section_display_enum debug,
Elf_Internal_Chdr chdr; Elf_Internal_Chdr chdr;
unsigned int compression_header_size; unsigned int compression_header_size;
if (size < sizeof chdr) if (size < (is_32bit_elf
? sizeof (Elf32_External_Chdr)
: sizeof (Elf64_External_Chdr)))
{ {
warn (_("compressed section %s is too small to contain a compression header"), warn (_("compressed section %s is too small to contain a compression header"),
section->name); section->name);