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avcodec/jpeg2000htdec: Avoid freeing uninitialized pointers in ff_jpeg2000_decode_htj2k()

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Fixes: freeing of uninitialized pointers
Fixes: part of 58299

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-08-02 02:01:33 +02:00
parent 207e9f4e50
commit 044ab532fc
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GPG Key ID: B18E8928B3948D64
1 changed files with 2 additions and 2 deletions
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libavcodec/jpeg2000htdec.c
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@ -1174,8 +1174,8 @@ ff_jpeg2000_decode_htj2k(const Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c
int ret;
/* Temporary buffers */
int32_t *sample_buf;
uint8_t *block_states;
int32_t *sample_buf = NULL;
uint8_t *block_states = NULL;
int32_t n, val; // Post-processing