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Fix heap buffer overflow in lit_utf_incr (#2345)

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This patch fixes #2344.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik 2018-05-22 10:32:40 +02:00 committed by Akos Kiss
parent 43075a2ce6
commit 9eb9fbf5f1
2 changed files with 20 additions and 1 deletions
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5
jerry-core/parser/regexp/re-parser.c
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@ -262,7 +262,10 @@ re_count_num_of_groups (re_parser_ctx_t *parser_ctx_p) /**< RegExp parser contex
{
case LIT_CHAR_BACKSLASH:
{
lit_utf8_incr (&curr_p);
if (curr_p < parser_ctx_p->input_end_p)
{
lit_utf8_incr (&curr_p);
}
break;
}
case LIT_CHAR_LEFT_SQUARE:

16
tests/jerry/fail/regression-test-issue-2344.js Normal file
View File

@ -0,0 +1,16 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
new RegExp().compile("\\1\\");