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authorMichael Niedermayer <michael@niedermayer.cc>2019-12-28 20:16:24 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2019-12-31 12:37:47 +0100
commitc1411a1132595bddbca254322d85bfe24b038536 (patch)
tree87eefb8515d0e5cd18b16156dd31db6766548b9a /tools/target_dec_fuzzer.c
parentf78dc6608933d27b51a3d629327b6b9b982013f5 (diff)
downloadffmpeg-c1411a1132595bddbca254322d85bfe24b038536.tar.gz
tools/target_dec_fuzzer: Stop negative block_align and sampling rate
These are checked for early in avcodec_open2() and do not really test the decoder but instead waste resources which could be better spend fuzzing the actual decoder Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'tools/target_dec_fuzzer.c')
-rw-r--r--tools/target_dec_fuzzer.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index c232f6d41a..2d9d28b46d 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -206,9 +206,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
extradata_size = bytestream2_get_le32(&gbc);
- ctx->sample_rate = bytestream2_get_le32(&gbc);
+ ctx->sample_rate = bytestream2_get_le32(&gbc) & 0x7FFFFFFF;
ctx->channels = (unsigned)bytestream2_get_le32(&gbc) % FF_SANE_NB_CHANNELS;
- ctx->block_align = bytestream2_get_le32(&gbc);
+ ctx->block_align = bytestream2_get_le32(&gbc) & 0x7FFFFFFF;
ctx->codec_tag = bytestream2_get_le32(&gbc);
keyframes = bytestream2_get_le64(&gbc);
ctx->request_channel_layout = bytestream2_get_le64(&gbc);