diff options
Diffstat (limited to 'ext/psych/yaml/reader.c')
| -rw-r--r-- | ext/psych/yaml/reader.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/ext/psych/yaml/reader.c b/ext/psych/yaml/reader.c index 4e48add7b8..d47921ce2b 100644 --- a/ext/psych/yaml/reader.c +++ b/ext/psych/yaml/reader.c @@ -52,7 +52,7 @@ yaml_parser_determine_encoding(yaml_parser_t *parser) { /* Ensure that we had enough bytes in the raw buffer. */ - while (!parser->eof + while (!parser->eof && parser->raw_buffer.last - parser->raw_buffer.pointer < 3) { if (!yaml_parser_update_raw_buffer(parser)) { return 0; @@ -295,7 +295,7 @@ yaml_parser_update_buffer(yaml_parser_t *parser, size_t length) parser->offset, value); break; - + case YAML_UTF16LE_ENCODING: case YAML_UTF16BE_ENCODING: @@ -318,7 +318,7 @@ yaml_parser_update_buffer(yaml_parser_t *parser, size_t length) * * The following formulas are used for decoding * and encoding characters using surrogate pairs: - * + * * U = U' + 0x10000 (0x01 00 00 <= U <= 0x10 FF FF) * U' = yyyyyyyyyyxxxxxxxxxx (0 <= U' <= 0x0F FF FF) * W1 = 110110yyyyyyyyyy @@ -460,6 +460,10 @@ yaml_parser_update_buffer(yaml_parser_t *parser, size_t length) } + if (parser->offset >= PTRDIFF_MAX) + return yaml_parser_set_reader_error(parser, "input is too long", + PTRDIFF_MAX, -1); + return 1; } |