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tools/target_swr_fuzzer: do not use negative numbers of samples

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Fixes: signed integer overflow: -277109688 * 8 cannot be represented in type 'int'
Fixes: 376118159/clusterfuzz-testcase-minimized-ffmpeg_SWR_fuzzer-5884436320681984

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2024-11-30 02:37:44 +01:00
parent ef71552cf9
commit 90ff3ae976
1 changed files with 1 additions and 1 deletions
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tools/target_swr_fuzzer.c
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@@ -98,7 +98,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
av_channel_layout_copy(& in_ch_layout, &layouts[bytestream2_get_byte(&gbc) % FF_ARRAY_ELEMS(layouts)]); av_channel_layout_copy(& in_ch_layout, &layouts[bytestream2_get_byte(&gbc) % FF_ARRAY_ELEMS(layouts)]);
av_channel_layout_copy(&out_ch_layout, &layouts[bytestream2_get_byte(&gbc) % FF_ARRAY_ELEMS(layouts)]); av_channel_layout_copy(&out_ch_layout, &layouts[bytestream2_get_byte(&gbc) % FF_ARRAY_ELEMS(layouts)]);
out_sample_nb = bytestream2_get_le32(&gbc); out_sample_nb = bytestream2_get_le32(&gbc) & 0x7FFFFFFF;
flags64 = bytestream2_get_le64(&gbc); flags64 = bytestream2_get_le64(&gbc);
if (flags64 & 0x10) if (flags64 & 0x10)