ffmpeg | branch: release/5.0 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Apr 2 22:18:49 2022 +0200| [39f15f66638bee5e81c84a817ea599506835df3a] | committer: Michael Niedermayer
avformat/ape: more bits in size for less overflows Fixes: signed integer overflow: 2147483647 + 3 cannot be represented in type 'int' Fixes: 46184/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-4678059519770624 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 e5f6707a7b91664491041526ef3cce7412258b89) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=39f15f66638bee5e81c84a817ea599506835df3a --- libavformat/ape.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/libavformat/ape.c b/libavformat/ape.c index b1222d9ce0..3f43055d9f 100644 --- a/libavformat/ape.c +++ b/libavformat/ape.c @@ -42,8 +42,8 @@ typedef struct APEFrame { int64_t pos; + int64_t size; int nblocks; - int size; int skip; int64_t pts; } APEFrame; @@ -128,7 +128,7 @@ static void ape_dumpinfo(AVFormatContext * s, APEContext * ape_ctx) av_log(s, AV_LOG_DEBUG, "\nFrames\n\n"); for (i = 0; i < ape_ctx->totalframes; i++) - av_log(s, AV_LOG_DEBUG, "%8d %8"PRId64" %8d (%d samples)\n", i, + av_log(s, AV_LOG_DEBUG, "%8d %8"PRId64" %8"PRId64" (%d samples)\n", i, ape_ctx->frames[i].pos, ape_ctx->frames[i].size, ape_ctx->frames[i].nblocks); @@ -146,7 +146,8 @@ static int ape_read_header(AVFormatContext * s) AVStream *st; uint32_t tag; int i, ret; - int total_blocks, final_size = 0; + int total_blocks; + int64_t final_size = 0; int64_t pts, file_size; /* Skip any leading junk such as id3v2 tags */ @@ -387,7 +388,7 @@ static int ape_read_packet(AVFormatContext * s, AVPacket * pkt) if (ape->frames[ape->currentframe].size <= 0 || ape->frames[ape->currentframe].size > INT_MAX - extra_size) { - av_log(s, AV_LOG_ERROR, "invalid packet size: %d\n", + av_log(s, AV_LOG_ERROR, "invalid packet size: %8"PRId64"\n", ape->frames[ape->currentframe].size); ape->currentframe++; return AVERROR(EIO); _______________________________________________ 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".
