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Code Issues Releases Activity

avformat/jpegxl_anim_dec: clear buffer padding

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Fixes: use of uninitialized value
Fixes: 70992/clusterfuzz-testcase-minimized-ffmpeg_dem_IMAGE2_fuzzer-5735819170611200

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2024-08-16 16:33:43 +02:00
parent 9578c135d0
commit 3f0b95bb17
1 changed files with 1 additions and 1 deletions
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libavformat/jpegxl_anim_dec.c
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@@ -43,7 +43,7 @@ typedef struct JXLAnimDemuxContext {
static int jpegxl_anim_probe(const AVProbeData *p) static int jpegxl_anim_probe(const AVProbeData *p)
{ {
uint8_t buffer[4096 + AV_INPUT_BUFFER_PADDING_SIZE]; uint8_t buffer[4096 + AV_INPUT_BUFFER_PADDING_SIZE] = {0};
int copied = 0, ret; int copied = 0, ret;
FFJXLMetadata meta = { 0 }; FFJXLMetadata meta = { 0 };