Fixes: Timeout (>20sec -> 56ms)
Fixes: 26995/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CRI_fuzzer-5107217080254464
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
int pos = 0;
while (count > 0) {
- uint32_t a0 = bytestream2_get_le32(gb);
- uint32_t a1 = bytestream2_get_le32(gb);
- uint32_t a2 = bytestream2_get_le32(gb);
- uint32_t a3 = bytestream2_get_le32(gb);
+ uint32_t a0, a1,a2,a3;
+ if (bytestream2_get_bytes_left(gb) < 4)
+ break;
+ a0 = bytestream2_get_le32(gb);
+ a1 = bytestream2_get_le32(gb);
+ a2 = bytestream2_get_le32(gb);
+ a3 = bytestream2_get_le32(gb);
dst[pos] = (((a0 >> 1) & 0xE00) | (a0 & 0x1FF)) << shift;
pos++;
if (pos >= w) {