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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-02-07 15:07:23 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-03-10 18:51:50 +0100 |
| commit | ae51d93983530a1900ee4e1e4bf43cb28a30efb2 (patch) | |
| tree | e8d31c6e7a281c6229160e5a36530cf9ce961fda | |
| parent | ca8c3ec11b8ceb6d753176d5c04145cb83cbbe47 (diff) | |
| download | ffmpeg-ae51d93983530a1900ee4e1e4bf43cb28a30efb2.tar.gz | |
avcodec/wmalosslessdec: fix mclms_coeffs* array size
Fixes corruption of context
Fixes: 8835659dde6a4f7dcdf341de6a45c6c8-signal_sigsegv_1dce67b_4564_cov_2504444599_classical_22_16_1_14000_v3c_0_extend_0_29.wma
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ec9578d54d09b64bf112c2bf7a34b1ef3b93dbd3)
Conflicts:
libavcodec/wmalosslessdec.c
| -rw-r--r-- | libavcodec/wmalosslessdec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index d6e5a1e2f8..3fcf177c72 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -238,8 +238,8 @@ typedef struct WmallDecodeCtx { int8_t mclms_order; int8_t mclms_scaling; - int16_t mclms_coeffs[128]; - int16_t mclms_coeffs_cur[4]; + int16_t mclms_coeffs[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS * 32]; + int16_t mclms_coeffs_cur[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS]; int16_t mclms_prevvalues[WMALL_MAX_CHANNELS * 2 * 32]; int16_t mclms_updates[WMALL_MAX_CHANNELS * 2 * 32]; int mclms_recent; |