Fixes: 861/clusterfuzz-testcase-5688284384591872
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
break;
case TIFF_STRIP_OFFS:
if (count == 1) {
+ if (value > INT_MAX) {
+ av_log(s->avctx, AV_LOG_ERROR,
+ "strippos %u too large\n", value);
+ return AVERROR_INVALIDDATA;
+ }
s->strippos = 0;
s->stripoff = value;
} else
break;
case TIFF_STRIP_SIZE:
if (count == 1) {
+ if (value > INT_MAX) {
+ av_log(s->avctx, AV_LOG_ERROR,
+ "stripsize %u too large\n", value);
+ return AVERROR_INVALIDDATA;
+ }
s->stripsizesoff = 0;
s->stripsize = value;
s->strips = 1;