ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Mar 5 00:51:38 2023 +0100| [f665d0ca54e0fcab78a97da00cd175f37f5eec3e] | committer: Michael Niedermayer
avformat/wavdec: Check that smv block fits in available space Fixes: OOM Fixes: 56271/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-5290810045497344 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit a76efafdb9be966ae3ad52b32370dc644dd582bf) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f665d0ca54e0fcab78a97da00cd175f37f5eec3e --- libavformat/wavdec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index b11c6091bc..061d904dfe 100644 --- a/libavformat/wavdec.c +++ b/libavformat/wavdec.c @@ -726,6 +726,10 @@ smv_retry: goto smv_out; } size = avio_rl24(s->pb); + if (size > wav->smv_block_size) { + ret = AVERROR_EOF; + goto smv_out; + } ret = av_get_packet(s->pb, pkt, size); if (ret < 0) goto smv_out; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
