31 lines
832 B
Diff
31 lines
832 B
Diff
gst-ffmpeg: qdm2: check array index before use, fix out of array
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accesses
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Upstream-Status: Backport
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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---
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libavcodec/qdm2.c | 5 +++++
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1 files changed, 5 insertions(+), 0 deletions(-)
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diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c
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index 4cf4b2f..1dfb8d5 100644
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--- a/gst-libs/ext/libav/libavcodec/qdm2.c
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+++ b/gst-libs/ext/libav/libavcodec/qdm2.c
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@@ -1257,6 +1257,11 @@ static void qdm2_decode_super_block (QDM2Context *q)
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for (i = 0; packet_bytes > 0; i++) {
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int j;
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+ if (i>=FF_ARRAY_ELEMS(q->sub_packet_list_A)) {
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+ SAMPLES_NEEDED_2("too many packet bytes");
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+ return;
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+ }
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+
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q->sub_packet_list_A[i].next = NULL;
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if (i > 0) {
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--
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1.7.5.4
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