[Bug gdb/24611] dynamic-stack-buffer-overflow in linespec_lexer_lex_string

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=24611

--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
Tentative patch:
...
diff --git a/gdb/linespec.c b/gdb/linespec.c
index f418e03b77..8720eedfb0 100644
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -760,7 +760,10 @@ linespec_lexer_lex_string (linespec_parser *parser)
              /* Do not tokenize ABI tags such as "[abi:cxx11]".  */
              else if (PARSER_STREAM (parser) - start > 4
                       && startswith (PARSER_STREAM (parser) - 4, "[abi"))
-               ++(PARSER_STREAM (parser));
+               {
+                 ++(PARSER_STREAM (parser));
+                 continue;
+               }

              /* Do not tokenify if the input length so far is one
                 (i.e, a single-letter drive name) and the next character
...

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