* [committed, PATCH] Check the external compression header size
@ 2016-08-29 15:53 H.J. Lu
2016-08-30 13:18 ` Nick Clifton
0 siblings, 1 reply; 2+ messages in thread
From: H.J. Lu @ 2016-08-29 15:53 UTC (permalink / raw)
To: binutils
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.
---
binutils/ChangeLog | 11 ++++++++---
binutils/readelf.c | 4 +++-
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index e709a2d..5ab28f8 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -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>
* 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
file table.
(frame_display_row): Set max_regs equal to ncols.
- (load_specific_debug_section): If the section is compressed, but
- it is not big enough to hold a compression header then warn and
- return 0.
+ * readelf.c (load_specific_debug_section): If the section is
+ compressed, but it is not big enough to hold a compression
+ header then warn and return 0.
PR binutils/20439
* dwarf.c (display_debug_lines_decoded): Check directory and file
diff --git a/binutils/readelf.c b/binutils/readelf.c
index adbee93..a99c521 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -12706,7 +12706,9 @@ load_specific_debug_section (enum dwarf_section_display_enum debug,
Elf_Internal_Chdr chdr;
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"),
section->name);
--
2.7.4
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [committed, PATCH] Check the external compression header size
2016-08-29 15:53 [committed, PATCH] Check the external compression header size H.J. Lu
@ 2016-08-30 13:18 ` Nick Clifton
0 siblings, 0 replies; 2+ messages in thread
From: Nick Clifton @ 2016-08-30 13:18 UTC (permalink / raw)
To: H.J. Lu, binutils
Hi H.J.
> * readelf.c (load_specific_debug_section): Check the external
> compression header size.
Approved - please apply.
Cheers
Nick
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2016-08-30 13:18 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-08-29 15:53 [committed, PATCH] Check the external compression header size H.J. Lu
2016-08-30 13:18 ` Nick Clifton
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).