espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-06-25 21:41:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

Catch potential integer overflow in readelf when processing corrupt binaries.

Browse Source 
PR 24829
	* readelf.c (apply_relocations): Catch potential integer overflow
	whilst checking reloc location against section size.
This commit is contained in:
Nick Clifton
2019-08-05 10:40:35 +01:00
parent 2b79f3761c
commit e17869db99
2 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
binutils/ChangeLog
View File

@ -1,3 +1,9 @@
2019-08-05 Nick Clifton <nickc@redhat.com>
PR 24829
* readelf.c (apply_relocations): Catch potential integer overflow
whilst checking reloc location against section size.
2019-08-02 Alan Modra <amodra@gmail.com> 2019-08-02 Alan Modra <amodra@gmail.com>
PR 24871 PR 24871

2
binutils/readelf.c
View File

@ -13366,7 +13366,7 @@ apply_relocations (Filedata * filedata,
} }
rloc = start + rp->r_offset; rloc = start + rp->r_offset;
if ((rloc + reloc_size) > end || (rloc < start)) if (rloc >= end || (rloc + reloc_size) > end || (rloc < start))
{ {
warn (_("skipping invalid relocation offset 0x%lx in section %s\n"), warn (_("skipping invalid relocation offset 0x%lx in section %s\n"),
(unsigned long) rp->r_offset, (unsigned long) rp->r_offset,