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qstring_from_substr() parameters @start and @end are of type int. blkdebug_parse_filename(), blkverify_parse_filename(), nbd_parse_uri(), and qstring_from_str() pass @end values of type size_t or ptrdiff_t. Values exceeding INT_MAX get truncated, with possibly disastrous results. Such huge substrings seem unlikely, but we found one in a core dump, where "info tlb" executed via QMP's human-monitor-command apparently produced 35 GiB of output. Fix by changing the parameters size_t. Signed-off-by: liujunjie <liujunjie23@huawei.com> Message-Id: <20180724134339.17832-1-liujunjie23@huawei.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> |
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| .. | ||
| block-qdict.c | ||
| json-lexer.c | ||
| json-parser.c | ||
| json-streamer.c | ||
| Makefile.objs | ||
| qbool.c | ||
| qdict.c | ||
| qjson.c | ||
| qlist.c | ||
| qlit.c | ||
| qnull.c | ||
| qnum.c | ||
| qobject.c | ||
| qstring.c | ||