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avcodec/hevc: propagate error code from hls_coding_quadtree() 

Fixes use of uninitialized memory
Fixes out of array read
Fixes: asan_static-oob_123cee5_2630_cov_1869071233_PICSIZE_A_Bossen_1.bin
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-02 02:33:16 +01:00
parent a744064c41
commit 96c4ba2392
1 changed files with 8 additions and 2 deletions
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10
libavcodec/hevc.c
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@ -1805,10 +1805,16 @@ static int hls_coding_quadtree(HEVCContext *s, int x0, int y0,
if (more_data < 0)
return more_data;
if (more_data && x1 < s->sps->width)
if (more_data && x1 < s->sps->width) {
more_data = hls_coding_quadtree(s, x1, y0, log2_cb_size - 1, cb_depth + 1);
if (more_data && y1 < s->sps->height)
if (more_data < 0)
return more_data;
}
if (more_data && y1 < s->sps->height) {
more_data = hls_coding_quadtree(s, x0, y1, log2_cb_size - 1, cb_depth + 1);
if (more_data < 0)
return more_data;
}
if (more_data && x1 < s->sps->width &&
y1 < s->sps->height) {
return hls_coding_quadtree(s, x1, y1, log2_cb_size - 1, cb_depth + 1);