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authorMichael Niedermayer <michael@niedermayer.cc>2024-11-03 20:08:07 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2024-11-11 01:28:05 +0100
commitbeca13a42e9fb5341e8bd6356fd7d9c2d18aac9b (patch)
tree6eab71d1935df4011e802d0251ce3bbc7c77aa29
parentb16102ab1c336ed3df7e43229aba4c8a9bf8cb75 (diff)
downloadffmpeg-beca13a42e9fb5341e8bd6356fd7d9c2d18aac9b.tar.gz
avformat/rpl: check channels
Fixes: 42537199/clusterfuzz-testcase-minimized-fuzzer_loadfile_direct-5447162658357248 Fixes: runtime error: signed integer overflow: -3330498059201358222 * 4 cannot be represented in type 'int64_t' (aka 'long') Found-by: ossfuzz Reported-by: Kacper Michajlow Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavformat/rpl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/rpl.c b/libavformat/rpl.c
index 32a762b60a..e971d0588f 100644
--- a/libavformat/rpl.c
+++ b/libavformat/rpl.c
@@ -205,6 +205,8 @@ static int rpl_read_header(AVFormatContext *s)
if (ast->codecpar->sample_rate < 0)
return AVERROR_INVALIDDATA;
channels = read_line_and_int(pb, &error); // number of audio channels
+ if (channels <= 0)
+ return AVERROR_INVALIDDATA;
error |= read_line(pb, line, sizeof(line));
ast->codecpar->bits_per_coded_sample = read_int(line, &endptr, &error); // audio bits per sample
av_strlcpy(audio_type, endptr, RPL_LINE_LENGTH);