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Code Issues Releases Activity

avformat/imf_cpl: do not continue looping forever

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Fixes: infinite loop
Fixes: 401658595/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5756875014733824
Regression since: 61fa1e14e4

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
2025-05-10 23:52:57 +02:00
parent 9fc2702f6f
commit 39800d78b0
1 changed files with 2 additions and 2 deletions
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4
libavformat/imf_cpl.c
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@ -709,8 +709,7 @@ static int fill_virtual_tracks(void *log_ctx, xmlNodePtr cpl_element, FFIMFCPL *
av_log(log_ctx, AV_LOG_DEBUG, "Processing IMF CPL Segment\n");
sequence_list_elem = ff_imf_xml_get_child_element_by_name(segment_elem, "SequenceList");
if (!sequence_list_elem)
continue;
if (sequence_list_elem) {
sequence_elem = xmlFirstElementChild(sequence_list_elem);
while (sequence_elem) {
@ -735,6 +734,7 @@ static int fill_virtual_tracks(void *log_ctx, xmlNodePtr cpl_element, FFIMFCPL *
sequence_elem = xmlNextElementSibling(sequence_elem);
}
}
segment_elem = xmlNextElementSibling(segment_elem);
}