Limits based on 3GPP TS 26.245 V14.0.0
Fixes: Timeout
Fixes: 6377/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOVTEXT_fuzzer-
5175929115508736
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
m->s_temp->style_start = AV_RB16(tsmb);
tsmb += 2;
m->s_temp->style_end = AV_RB16(tsmb);
+
+ if ( m->s_temp->style_end < m->s_temp->style_start
+ || (m->count_s && m->s_temp->style_start < m->s[m->count_s - 1]->style_end)) {
+ av_freep(&m->s_temp);
+ mov_text_cleanup(m);
+ return AVERROR(ENOMEM);
+ }
+
tsmb += 2;
m->s_temp->style_fontID = AV_RB16(tsmb);
tsmb += 2;