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Code Issues Releases Activity

truehd_core: Return error in case of error

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Several checks (e.g. when the size of the input packet is too small)
simply used "goto fail", but didn't set the return value appropriately
for an error.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2019-07-06 16:18:01 +02:00 committed by Paul B Mahol
parent cbe23e40ae
commit 610460a397
1 changed files with 10 additions and 4 deletions
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14
libavcodec/truehd_core_bsf.c
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@ -53,8 +53,10 @@ static int truehd_core_filter(AVBSFContext *ctx, AVPacket *out)
if (ret < 0)
return ret;
if (in->size < 4)
if (in->size < 4) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
ret = init_get_bits(&gbc, in->data, 32);
if (ret < 0)
@ -62,8 +64,10 @@ static int truehd_core_filter(AVBSFContext *ctx, AVPacket *out)
skip_bits(&gbc, 4);
in_size = get_bits(&gbc, 12) * 2;
if (in_size < 4 || in_size > in->size)
if (in_size < 4 || in_size > in->size) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
out_size = in_size;
dts = get_bits(&gbc, 16);
@ -73,13 +77,15 @@ static int truehd_core_filter(AVBSFContext *ctx, AVPacket *out)
goto fail;
if (show_bits_long(&gbc, 32) == 0xf8726fba) {
if ((ret = ff_mlp_read_major_sync(ctx, &s->hdr, &gbc)) != 0)
if ((ret = ff_mlp_read_major_sync(ctx, &s->hdr, &gbc)) < 0)
goto fail;
have_header = 1;
}
if (s->hdr.num_substreams > MAX_SUBSTREAMS)
if (s->hdr.num_substreams > MAX_SUBSTREAMS) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
for (i = 0; i < s->hdr.num_substreams; i++) {
for (int j = 0; j < 4; j++)