hls: Avoid reading outside of the allocated array

CC: libav-stable@libav.org Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago · 56c2337004
parent 8c92909814
commit 56c2337004
1 changed files with 2 additions and 1 deletions
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@ -668,7 +668,8 @@ start:
        /* Check if this stream still is on an earlier segment number, or
         * has the packet with the lowest dts */
        if (var->pkt.data) {
-            struct variant *minvar = c->variants[minvariant];
+            struct variant *minvar = minvariant < 0 ?
+                                     NULL : c->variants[minvariant];
            if (minvariant < 0 || var->cur_seq_no < minvar->cur_seq_no) {
                minvariant = i;
            } else if (var->cur_seq_no == minvar->cur_seq_no) {