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8 Commits

Author SHA1 Message Date
Ed Maste
67d97fe724 Update elftoolchain to upstream revision 3179 
Some notable changes:
- libdwarf: Fixed DWARF4 line section
- elfcopy: Implement --localize-hidden
- nm: handle object name referenced by DW_AT_specification
- elfcopy: Add --strip-dwo and --extract-dwo options for split DWARF
- readelf: add remaining arm64 dynamic relocation names
- nm: Avoid integer overflow in value comparison

Relnotes:	Yes
Sponsored by:	The FreeBSD Foundation
 2015-04-01 01:08:01 +00:00
Ed Maste
71a0c925ce Update elftoolchain to upstream revision 3163 
Most of our changes have now been committed upstream, so this change is
largely bookkeeping.

Sponsored by:	The FreeBSD Foundation
 2015-02-17 15:19:58 +00:00
Ed Maste
8ae6c16d82 Verify that section header offset is not past EOF 
MFC After:	1 week
Sponsored by:	The FreeBSD Foundation
 2015-01-16 15:16:19 +00:00
Ed Maste
47fc54d8b0 libelf: Rearrange size test to prevent integer overflow 
Sponsored by:	The FreeBSD Foundation
 2014-12-31 01:48:23 +00:00
Ed Maste
6db8a9f3a5 Check for multiplication integer overflow in CHECK_EHDR 
The initial fix in r276374 is valid only for 64-bit objects. Revert it
and return an error in CHECK_EHDR if the multiplication would overflow.

The original buffer overflow issue was found with the security/afl
fuzzer and has upstream elftoolchain ticket 462. The 32-bit object issue
with r276374 found by antoine@ during an i386 exp-run.

Sponsored by:	The FreeBSD Foundation
 2014-12-30 22:04:24 +00:00
Ed Maste
3a6f20c19a libelf: Do not read past end of buffer 
Previously a corrupt ELF file could read beyond the end of e_rawfile.

Upstream elftoolchain ticket 462.  Found via the security/afl fuzzer.

Sponsored by:	The FreeBSD Foundation
 2014-12-29 20:23:42 +00:00
Ed Maste
cf781b2e16 Update elftoolchain to upstream rev 3130 
This brings a number of fixes to elfcopy/strip and DWARF4 improvements.

Sponsored by:	The FreeBSD Foundation
 2014-12-24 03:13:16 +00:00
Kai Wang
2de3b87a12 Copy libelf, libdwarf and common files from vendor/ to contrib/. 2014-01-15 22:30:48 +00:00