From 6190e826471fd9d3a66685000b5b3e4d8b163013 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 22 Sep 2024 20:15:40 +0200 Subject: [PATCH] tools/target_swr_fuzzer: Limit the number of samples Fixes: OOM and Timeout Fixes: 71254/clusterfuzz-testcase-minimized-ffmpeg_SWR_fuzzer-5941896977907712 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- tools/target_swr_fuzzer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/target_swr_fuzzer.c b/tools/target_swr_fuzzer.c index b6cdb72a56..9192d4bed5 100644 --- a/tools/target_swr_fuzzer.c +++ b/tools/target_swr_fuzzer.c @@ -129,6 +129,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { in_sample_nb = size / (in_ch_count * av_get_bytes_per_sample(in_sample_fmt)); out_sample_nb = out_sample_nb % (av_rescale(in_sample_nb, 2*out_sample_rate, in_sample_rate) + 1); + if (in_sample_nb > 1000*1000 || out_sample_nb > 1000*1000) + goto end; + out_data = av_malloc(out_sample_nb * out_ch_count * av_get_bytes_per_sample(out_sample_fmt)); if (!out_data) goto end;