Add range changing to STABS parsing functions, in order to prevent buffer overruns.

Browse Source

PR 22955
	* stabs.c (parse_number): Add p_end parameter and use it to check
	the validity of the pp parameter.  Add checks to prevent walking
	off the end of the string buffer.
	(parse_stab_string): Likewise.
	(parse_stab_type): Likewise.
	(parse_stab_type_number): Likewise.
	(parse_stab_range_type): Likewise.
	(parse_stab_sun_builtin_type): Likewise.
	(parse_stab_sun_floating_type): Likewise.
	(parse_stab_enum_type): Likewise.
	(parse_stab_struct_type): Likewise.
	(parse_stab_baseclasses): Likewise.
	(parse_stab_struct_fields): Likewise.
	(parse_stab_cpp_abbrev): Likewise.
	(parse_stab_one_struct_field): Likewise.
	(parse_stab_members): Likewise.
	(parse_stab_tilde_field): Likewise.
	(parse_stab_array_type): Likewise.
	* parse_stab: Compute the end of the string and then pass it on to
	individual parser functions.

...

This commit is contained in:

Nick Clifton

2018-03-13 16:10:45 +00:00

parent 3e33b23945

commit 81db3241f2

2 changed files with 286 additions and 146 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download Patch File Download Diff File Expand all files Collapse all files

408

binutils/stabs.c

File diff suppressed because it is too large Load Diff