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authorAlexey Botchkov <holyfoot@askmonty.org>2018-07-31 16:33:05 +0400
committerAlexey Botchkov <holyfoot@askmonty.org>2018-07-31 16:33:05 +0400
commitf4eac2deeb046a68e4a26ed1a08f8df51bbf817b (patch)
tree4065a6061450bc3c22c96c556bc87fb91aa99809 /strings
parentfd378fc613851a12be346329d32e1666f10610d7 (diff)
downloadmariadb-git-f4eac2deeb046a68e4a26ed1a08f8df51bbf817b.tar.gz
MDEV-16054 simple json functions flatline cpu on garbage input.
Incorrect char sentence should be handled properly.
Diffstat (limited to 'strings')
-rw-r--r--strings/json_lib.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/strings/json_lib.c b/strings/json_lib.c
index cbf672f5887..f6b4f15732d 100644
--- a/strings/json_lib.c
+++ b/strings/json_lib.c
@@ -1645,6 +1645,8 @@ int json_escape(CHARSET_INFO *str_cs,
return -1;
}
}
+ else /* c_len == 0, an illegal symbol. */
+ return -1;
}
return (int)(json - json_start);