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Code Issues Releases Activity

rpl: Dont fill the index with entries that failed to be parsed

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Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fd10a199a3c_6204_landing.rpl
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-19 19:22:38 +01:00
parent f9b997c337
commit 5eeeb4abf9
1 changed files with 3 additions and 1 deletions
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4
libavformat/rpl.c
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@ -254,8 +254,10 @@ static int rpl_read_header(AVFormatContext *s)
int64_t offset, video_size, audio_size; int64_t offset, video_size, audio_size;
error |= read_line(pb, line, sizeof(line)); error |= read_line(pb, line, sizeof(line));
if (3 != sscanf(line, "%"SCNd64" , %"SCNd64" ; %"SCNd64, if (3 != sscanf(line, "%"SCNd64" , %"SCNd64" ; %"SCNd64,
&offset, &video_size, &audio_size)) &offset, &video_size, &audio_size)) {
error = -1; error = -1;
continue;
}
av_add_index_entry(vst, offset, i * rpl->frames_per_chunk, av_add_index_entry(vst, offset, i * rpl->frames_per_chunk,
video_size, rpl->frames_per_chunk, 0); video_size, rpl->frames_per_chunk, 0);
if (ast) if (ast)