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commit cfa2d291ef9a0cd1769a4a07393499e8e03997dd Author: Michael Niedermayer <[email protected]> AuthorDate: Fri Feb 6 23:44:40 2026 +0100 Commit: Michael Niedermayer <[email protected]> CommitDate: Mon May 4 15:57:07 2026 +0200 avformat/iff: Error out with 0 channel loudspeaker configuration Fixes: division by 0 Fixes: 478005965/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5748337088462848 Fixes: 472226169/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-4528777763028992 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 9bfa1635aef08e777deaeeae15ff9a5ade412188) Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/iff.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavformat/iff.c b/libavformat/iff.c index 82d31811a9..83549f1a0a 100644 --- a/libavformat/iff.c +++ b/libavformat/iff.c @@ -340,8 +340,10 @@ static int parse_dsd_prop(AVFormatContext *s, AVStream *st, uint64_t eof) if (config != 0xFFFF) { if (config < FF_ARRAY_ELEMS(dsd_loudspeaker_config)) st->codecpar->ch_layout = dsd_loudspeaker_config[config]; - if (!st->codecpar->ch_layout.nb_channels) + if (!st->codecpar->ch_layout.nb_channels) { avpriv_request_sample(s, "loudspeaker configuration %d", config); + return AVERROR_PATCHWELCOME; + } } break; } _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
