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| author | Nick Clifton <nickc@redhat.com> | 2014-11-18 14:40:05 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2014-11-18 14:40:05 +0000 |
| commit | 6937bb54a9c3ddc7ba330bc18af76f8dbe856ac3 (patch) | |
| tree | ef3620d4de908919f540cbb095a7f9f62da9d72c /binutils/ChangeLog | |
| parent | de84aee38c50fd306876cdbf92007afaacbfab4d (diff) | |
| download | gdb-6937bb54a9c3ddc7ba330bc18af76f8dbe856ac3.zip gdb-6937bb54a9c3ddc7ba330bc18af76f8dbe856ac3.tar.gz gdb-6937bb54a9c3ddc7ba330bc18af76f8dbe856ac3.tar.bz2 | |
More fixes for illegal memory accesses exposed by fuzzed binaries.
PR binutils/17512
* peXXIgen.c (pe_print_pdata): Fail if the section's virtual size
is larger than its real size.
(rsrc_print_section): Fix off-by-one error checking for overflow.
* pei-x86_64.c (pex64_bfd_print_pdata): Handle empty unwind
sections.
* dwarf.c (get_encoded_value): Warn and return if the encoded
value is more than 64-bits long.
(SAFE_BYTE_GET): Do not attempt to read more than 64-bits.
(process_extended_line_op): Add more range checks.
(decode_location_expression): Use the return value from
display_block. Add more range checks.
(read_debug_line_header): Add range check.
(display_debug_lines_raw): Add range checks.
(display_debug_frames): Silently skip multiple zero terminators.
Add range checks.
(process_cu_tu_index): Check for non-existant or empty sections.
Use SAFE_BYTE_GET instead of byte_get.
Diffstat (limited to 'binutils/ChangeLog')
| -rw-r--r-- | binutils/ChangeLog | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 3b82059..88127b0 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,5 +1,21 @@ 2014-11-18 Nick Clifton <nickc@redhat.com> + PR binutils/17512 + * dwarf.c (get_encoded_value): Warn and return if the encoded + value is more than 64-bits long. + (SAFE_BYTE_GET): Do not attempt to read more than 64-bits. + (process_extended_line_op): Add more range checks. + (decode_location_expression): Use the return value from + display_block. Add more range checks. + (read_debug_line_header): Add range check. + (display_debug_lines_raw): Add range checks. + (display_debug_frames): Silently skip multiple zero terminators. + Add range checks. + (process_cu_tu_index): Check for non-existant or empty sections. + Use SAFE_BYTE_GET instead of byte_get. + +2014-11-18 Nick Clifton <nickc@redhat.com> + PR binutils/17531 * readelf.c (get_unwind_section_word): Skip reloc processing if there are no relocs associated with the section. |