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Code Issues Releases Activity

avcodec/hevc: allocate entries unconditionally

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Fixes out of array access
Fixes: 08664a2a7921ef48172f26495c7455be/asan_heap-oob_23036c6_3301_523388ef84285a0270caf67a43247b59.bit

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d85aa76115)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-27 23:33:03 +01:00
parent 694416e327
commit 4fe6f9f627
1 changed files with 1 additions and 3 deletions
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4
libavcodec/hevc.c
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@ -2436,11 +2436,9 @@ static int hls_slice_data_wpp(HEVCContext *s, const uint8_t *nal, int length)
return AVERROR(ENOMEM);
}
ff_alloc_entries(s->avctx, s->sh.num_entry_point_offsets + 1);
if (!s->sList[1]) {
ff_alloc_entries(s->avctx, s->sh.num_entry_point_offsets + 1);
for (i = 1; i < s->threads_number; i++) {
s->sList[i] = av_malloc(sizeof(HEVCContext));
memcpy(s->sList[i], s, sizeof(HEVCContext));