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| author | Kurt Schwehr <schwehr@google.com> | 2017-09-11 07:23:00 -0700 |
|---|---|---|
| committer | Kurt Schwehr <schwehr@google.com> | 2017-09-11 07:23:00 -0700 |
| commit | d9879c25335ade46e7cba3d86151fb6cf5aadaed (patch) | |
| tree | 932a5e951b4067baf956f0048c88d03a0683b3b2 /json_object.c | |
| parent | 5454c4eaa3a55f38e8ce90cbdb130a1923baffa9 (diff) | |
| download | json-c-d9879c25335ade46e7cba3d86151fb6cf5aadaed.tar.gz | |
Fix double to int cast overflow in json_object_get_int64.
Found with autofuzz in GDAL
Diffstat (limited to 'json_object.c')
| -rw-r--r-- | json_object.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/json_object.c b/json_object.c index 9ffb149..8cd5922 100644 --- a/json_object.c +++ b/json_object.c @@ -688,6 +688,10 @@ int64_t json_object_get_int64(const struct json_object *jso) case json_type_int: return jso->o.c_int64; case json_type_double: + if (jso->o.c_double >= INT64_MAX) + return INT64_MAX; + if (jso->o.c_double <= INT64_MIN) + return INT64_MIN; return (int64_t)jso->o.c_double; case json_type_boolean: return jso->o.c_boolean; |