binutils stabs type list
Fuzzers have found that specifying a large stab type number results in
lots of memory being requested, as the list is extended with a 16
element array at a time until we reach the given stab type. It also
takes a long time. Of course normal sane stab types use small
positive integers, but it's not hard to modify the code to handle type
numbers starting anyhere.
* stabs.c (struct stab_types): Add base_index.
(stab_find_slot): Simplify filenum check. Delete type number
check. Don't allocate entire array from 0 to type number,
allocate a sparse array.
1 file changed
