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* readelf.c (cmalloc, xcmalloc, xcrealloc): New functions. 

(get_data): Add nmemb argument.  Return NULL if nmemb * size
	overflows.  If var == NULL, allocate one extra byte and
	clear it.
	(slurp_rela_relocs, slurp_rel_relocs, get_32bit_program_headers,
	get_64bit_program_headers, get_program_headers,
	get_32bit_section_headers, get_64bit_section_headers,
	get_32bit_elf_symbols, get_64bit_elf_symbols, process_section_headers,
	process_section_groups, process_relocs, slurp_ia64_unwind_table,
	ia64_process_unwind, slurp_hppa_unwind_table, hppa_process_unwind,
	get_32bit_dynamic_section, get_64bit_dynamic_section,
	process_dynamic_section, process_version_sections, get_dynamic_data,
	process_symbol_table, dump_section, load_debug_str, load_debug_loc,
	load_debug_range, read_and_display_attr_value, process_debug_info,
	get_debug_info, frame_need_space, display_debug_frames,
	display_debug_section, process_mips_specific, process_gnu_liblist,
	process_corefile_note_segment): Adjust get_data callers.  Use
	cmalloc, xcmalloc and xcrealloc instead of {m,xm,xre}alloc where
	passed size is a product of 2 numbers.

	* readelf.c (print_mode): Fix comment typo.
	(slurp_rela_relocs, slurp_rel_relocs): Fix memory leaks.
	(dump_relocations): Fix a thinko in check for invalid st_name.
	(process_program_headers): Don't crash if string_table is NULL.
	(process_section_headers): Don't crash if e_shstrndx is invalid.
	Ensure string_table_length is 0 if string_table == NULL.
	Don't return just because string_table is NULL.
	(process_section_groups): Don't crash if symtab's sh_link or
	symbol's st_name is invalid.  Fix a memory leak.  Fix check for
	invalid section number entry.
	(process_relocs): Don't crash if relocation or symbol section's
	sh_link is invalid.
	(slurp_ia64_unwind_table, slurp_hppa_unwind_table): Don't crash if
	relocation section's sh_info is invalid.
	(ia64_process_unwind, hppa_process_unwind): Don't crash if symbol
	table's sh_link is invalid.
	(process_version_sections): Don't crash on version or symbol
	section's sh_link is invalid.  Don't crash if symbol's st_shndx
	is invalid.
	(process_symbol_table): Don't crash if string table is corrupt
	or symbol's st_name, st_shndx, vna_name or vda_name is invalid.
	(debug_apply_rela_addends): Don't crash if relocation section's
	sh_info or sh_link is invalid.
	(display_debug_loc): Warn for unterminated .debug_loc section
	or start offsets not within .debug_loc section boundaries.
	(process_gnu_liblist): Don't crash if liblist section's sh_link
	or entry's l_name is invalid.
This commit is contained in:
Jakub Jelinek 2005-06-14 11:06:28 +00:00
parent 933d961a3c
commit c256ffe730
2 changed files with 323 additions and 139 deletions
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50
binutils/ChangeLog
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@ -1,3 +1,53 @@
2005-06-14 Jakub Jelinek <jakub@redhat.com>
* readelf.c (cmalloc, xcmalloc, xcrealloc): New functions.
(get_data): Add nmemb argument. Return NULL if nmemb * size
overflows. If var == NULL, allocate one extra byte and
clear it.
(slurp_rela_relocs, slurp_rel_relocs, get_32bit_program_headers,
get_64bit_program_headers, get_program_headers,
get_32bit_section_headers, get_64bit_section_headers,
get_32bit_elf_symbols, get_64bit_elf_symbols, process_section_headers,
process_section_groups, process_relocs, slurp_ia64_unwind_table,
ia64_process_unwind, slurp_hppa_unwind_table, hppa_process_unwind,
get_32bit_dynamic_section, get_64bit_dynamic_section,
process_dynamic_section, process_version_sections, get_dynamic_data,
process_symbol_table, dump_section, load_debug_str, load_debug_loc,
load_debug_range, read_and_display_attr_value, process_debug_info,
get_debug_info, frame_need_space, display_debug_frames,
display_debug_section, process_mips_specific, process_gnu_liblist,
process_corefile_note_segment): Adjust get_data callers. Use
cmalloc, xcmalloc and xcrealloc instead of {m,xm,xre}alloc where
passed size is a product of 2 numbers.
* readelf.c (print_mode): Fix comment typo.
(slurp_rela_relocs, slurp_rel_relocs): Fix memory leaks.
(dump_relocations): Fix a thinko in check for invalid st_name.
(process_program_headers): Don't crash if string_table is NULL.
(process_section_headers): Don't crash if e_shstrndx is invalid.
Ensure string_table_length is 0 if string_table == NULL.
Don't return just because string_table is NULL.
(process_section_groups): Don't crash if symtab's sh_link or
symbol's st_name is invalid. Fix a memory leak. Fix check for
invalid section number entry.
(process_relocs): Don't crash if relocation or symbol section's
sh_link is invalid.
(slurp_ia64_unwind_table, slurp_hppa_unwind_table): Don't crash if
relocation section's sh_info is invalid.
(ia64_process_unwind, hppa_process_unwind): Don't crash if symbol
table's sh_link is invalid.
(process_version_sections): Don't crash on version or symbol
section's sh_link is invalid. Don't crash if symbol's st_shndx
is invalid.
(process_symbol_table): Don't crash if string table is corrupt
or symbol's st_name, st_shndx, vna_name or vda_name is invalid.
(debug_apply_rela_addends): Don't crash if relocation section's
sh_info or sh_link is invalid.
(display_debug_loc): Warn for unterminated .debug_loc section
or start offsets not within .debug_loc section boundaries.
(process_gnu_liblist): Don't crash if liblist section's sh_link
or entry's l_name is invalid.
2005-06-09 Jakub Jelinek <jakub@redhat.com>
* objdump.c (disassemble_bytes): Don't crash if q->howto == NULL.

412
binutils/readelf.c
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