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avcodec/tiff: Assert init_get_bits8() success in unpack_gray()

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Helps: CID1441939 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a287f17db2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-05-17 23:58:30 +02:00
parent 24658e9ee2
commit 4bc1462acf
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1 changed files with 2 additions and 1 deletions
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libavcodec/tiff.c
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@ -456,7 +456,8 @@ static void unpack_gray(TiffContext *s, AVFrame *p,
GetBitContext gb;
uint16_t *dst = (uint16_t *)(p->data[0] + lnum * p->linesize[0]);
init_get_bits8(&gb, src, width);
int ret = init_get_bits8(&gb, src, width);
av_assert1(ret >= 0);
for (int i = 0; i < s->width; i++) {
dst[i] = get_bits(&gb, bpp);