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authorMichael Niedermayer <michael@niedermayer.cc>2019-05-18 09:32:58 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2019-05-19 10:47:09 +0200
commitfbdb3aa179939616bc7fb26e3fe386b85b58e467 (patch)
treeec2c7bd2651e7878350d9324bd63f28b09412841
parentc61d16cf3b815388c076c2a35b5c91e84b45d7be (diff)
avcodec/v210dec: Fix alignment check for AVX2
Fixes: "null pointer dereference" (actually misaligned access but the tools seem not to support this) Fixes: 14551/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_V210_fuzzer-5088609952071680 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/v210dec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/v210dec.c b/libavcodec/v210dec.c
index bc1e1d34ff..5a33d8c089 100644
--- a/libavcodec/v210dec.c
+++ b/libavcodec/v210dec.c
@@ -104,7 +104,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
&& avpkt->size - 64 >= stride * avctx->height)
psrc += 64;
- aligned_input = !((uintptr_t)psrc & 0xf) && !(stride & 0xf);
+ aligned_input = !((uintptr_t)psrc & 0x1f) && !(stride & 0x1f);
if (aligned_input != s->aligned_input) {
s->aligned_input = aligned_input;
ff_v210dec_init(s);