Commit graph

12 commits

Author SHA1 Message Date
Alan Modra
b90efa5b79 ChangeLog rotatation and copyright year update 2015-01-02 00:53:45 +10:30
Nick Clifton
058037d3a1 More fixes for invalid memory accesses exposed by fuzzed binaries.
PR binutils/17531
	* dwarf.c (decode_location_expression): Check for an out of range
	value for a DW_OP_GNU_entry_value expression.
	(display_debug_lines_raw): Check for a partial
	.debug_line. section being encountered without a prior, full
	.debug.line section.
	(display_debug_lines_decoded): Likewise.  Also check for
	li_line_range being zero.
	(display_debug_pubnames_worker): Check for an invalid pn_length
	field.
	(read_cie): Add range checks.
	* elfcomm.c (setup_archive): Check for a negative longnames_size.
2014-12-22 22:44:34 +00:00
Nick Clifton
53774b7e76 More fixes for invalid memory accesses triggered by fuzzed binaries.
PR binutils/17531
	* dwarf.c (display_debug_frames): Check for a negative
	augmentation data length.
	(display_gdb_index): Check for invalid offsets.
	* elfcomm.c (process_archive_index_and_symbols): Check for an
	index number that overflows when multiplied by the ar index size.
	* readelf.c (dump_ia64_unwind): Add range checks.
	(slurp_ia64_unwind_table): Change to a boolean function.  Add
	range checks.
	(process_version_sections): Add range checks.
	(get_symbol_version_string): Add check for missing section
	headers.
2014-12-08 17:51:46 +00:00
Nick Clifton
591f7597d4 Add checks for memory access violations exposed by fuzzed archives.
PR binutils/17531
	* dwarf.c (process_cu_tu_index): Check for an out of range row
	index.
	* elfcomm.c (adjust_relative_path): Change name_len parameter to
	an unsigned long.  Check for path length overflow.
	(process_archive_index_and_symbols): Check for invalid header
	size.
	(setup_archive): Add checks for invalid archives.
	(get_archive_member_name): Add range checks.
	* elfcomm.h (adjust_relative_path): Update prototyoe.
	* readelf.c (process_archive): Add range checks.
2014-12-01 11:19:39 +00:00
Alan Modra
4b95cf5c0c Update copyright years 2014-03-05 22:16:15 +10:30
Cary Coutant
87bc83b328 binutils/
* dwarf.c (SAFE_BYTE_GET64): Correct end-of-buffer check;
	don't increment PTR.
	(decode_location_expression): DW_OP_const2u should read 2 bytes.
	(display_debug_lines_decoded): Adjust formatting.
	* elfcomm.c (byte_get_little_endian): Add cases for 5-, 6-, and
	7-byte reads.
	(byte_get_big_endian): Likewise.
	(byte_get_signed): Likewise.
2013-05-15 16:36:38 +00:00
Nick Clifton
fafd911d9f * elfcomm.c (error): Flush stdout before emitting the error
message.
	(warn): Likewise.
2013-03-04 14:22:25 +00:00
Nick Clifton
a043396b72 PR binutils/15140
* ar.c (open_inarch): Fail on attempts to convert a normal archive
	to a thin archive or vice versa.
	* elfcomm.c (make_qualified_name): Handle corrupted thin
	archives.
	* readelf.c (process_archive): Likewise.
	* doc/binutils.texi: Clarify documentation describing thin
	archives.

	* archive.c (_bfd_get_elt_at_filepos): Prevent an infinite loop
	accessing a corrupt nested archive.
2013-02-15 14:37:39 +00:00
Nick Clifton
907b01b73a * elfcomm.c (get_archive_member_name): Prevent seg-fault if a
corrupt archive uses long names but has no long name table.
2013-02-07 16:07:03 +00:00
Nick Clifton
c2a7d3f57d * elfcomm.c (setup_archive): Extract index table and symbol table
scanning code into...
	(process_archive_index_and_symbols): ... this function and add
	support for 64-bit index tables.
	* elfcomm.h (struct archive_info): Change type of index_num and
	index_array to elf_vma.
	Add 'uses_64bit_indicies' field.
	* readelf.c (process_archive): Fix support for 64-bit indicies.
2012-07-17 16:29:36 +00:00
Cary Coutant
74bc605283 * dwarf.c (dwarf_vmatoa64): New function.
(read_and_display_attr_value): Print 8-byte forms as single hex
	numbers.
	(process_debug_info): Print type signatures as single hex numbers.
	* elfcomm.c (byte_get_64): New function.
	* elfcomm.h (byte_get_64): New function.
2012-02-15 18:32:30 +00:00
H.J. Lu
3284fe0c5e Add and use elfcomm.c/elfcomm.h.
2010-11-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/12235
	* elfcomm.c: New.
	* elfcomm.h: Likewise.

	* Makefile.am (HFILES): Add elfcomm.h.
	(CFILES): Add elfcomm.c.
	(ELFLIBS): New.
	(readelf_SOURCES): Add $(ELFLIBS).
	(elfedit_SOURCES): Likewise.
	(objdump_SOURCES): Likewise.
	* Makefile.in: Regenerated.

	* dwarf.c: Include "elfcomm.h".
	(byte_get): Removed.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(byte_get_signed): Likewise.
	(error): Likewise.
	(warn): Likewise.

	* dwarf.h (dwarf_vma): Defined with HOST_WIDEST_INT.
	(dwarf_size_type): Likewise.
	(byte_get): Removed.
	(byte_get_signed): Likewise.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(error): Likewise.
	(warn): Likewise.

	* elfedit.c: Include "elfcomm.h".  Don't include "aout/ar.h".
	Call error () instead of non_fatal ().
	(streq): Removed.
	(strneq): Likewise.
	(const_strneq): Likewise.
	(non_fatal): Likewise.
	(BYTE_GET): Likewise.
	(BYTE_PUT): Likewise.
	(byte_get): Likewise.
	(byte_put): Likewise.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(byte_put_little_endian): Likewise.
	(byte_put_big_endian): Likewise.
	(adjust_relative_path): Likewise.
	(archive_info): Likewise.
	(setup_archive): Likewise.
	(release_archive): Likewise.
	(setup_nested_archive): Likewise.
	(get_archive_member_name): Likewise.
	(get_archive_member_name_at): Likewise.
	(make_qualified_name): Likewise.

	* objdump.c: Include "elfcomm.h".

	* readelf.c: Include "elfcomm.h".  Don't include "aout/ar.h".
	(BYTE_GET): Removed.
	(BYTE_GET_SIGNED): Removed.
	(streq): Likewise.
	(strneq): Likewise.
	(const_strneq): Likewise.
	(byte_put): Likewise.
	(byte_put_little_endian): Likewise.
	(byte_put_big_endian): Likewise.
	(adjust_relative_path): Likewise.
	(archive_info): Likewise.
	(setup_archive): Likewise.
	(release_archive): Likewise.
	(setup_nested_archive): Likewise.
	(get_archive_member_name): Likewise.
	(get_archive_member_name_at): Likewise.
	(make_qualified_name): Likewise.
2010-11-21 21:27:15 +00:00