avcodec/loco: Check loco_get_rice() for failure

Fixes: CID1604495 Overflowed constant Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit d553276843) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
9 months ago · ecfdecabfb
parent 66f42ad1d5
commit ecfdecabfb
1 changed files with 2 additions and 0 deletions
--- a/libavcodec/loco.c
+++ b/libavcodec/loco.c
@ -157,6 +157,8 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh

    /* restore top left pixel */
    val     = loco_get_rice(&rc);
+    if (val == INT_MIN)
+        return AVERROR_INVALIDDATA;
    data[0] = 128 + val;
    /* restore top line */
    for (i = 1; i < width; i++) {