ffmpeg | branch: master | Michael Niedermayer <michael@niedermayer.cc> | Sat Aug 31 00:03:57 2019 +0200| [a370582ba9c4e0db4e8518d4df199003d36bea16] | committer: Michael Niedermayer tools/target_dec_fuzzer: Init parsepkt Fixes: memory corruption Fixes: 16702/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PNG_fuzzer-5768418552184832 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a370582ba9c4e0db4e...

tools/target_dec_fuzzer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c index e22a0c5c34..901dbca385 100644 --- a/tools/target_dec_fuzzer.c +++ b/tools/target_dec_fuzzer.c @@ -194,6 +194,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { // Read very simple container AVPacket avpkt, parsepkt; av_init_packet(&avpkt); + av_init_packet(&parsepkt); while (data < end && it < maxiteration) { // Search for the TAG while (data + sizeof(fuzz_tag) < end) {