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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-19 12:25:52 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-02 01:14:38 +0200 |
| commit | f3b6ea14081a696d6ece566c403ae55d8109ddb0 (patch) | |
| tree | 70ef33ef7b1805a3b9ce7f69455355df8a0d1ffd | |
| parent | e46bc3052dc1286c5430a35f2259a09812d8ad7d (diff) | |
| download | ffmpeg-f3b6ea14081a696d6ece566c403ae55d8109ddb0.tar.gz | |
avcodec/aacsbr_fixed: Fix multiple runtime error: shift exponent 150 is too large for 32-bit type 'int'
Fixes: 1681/clusterfuzz-testcase-minimized-5970545365483520
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3fb104f4476ad238e2ca768e9b80dc314e6e856d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/aacsbr_fixed.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/aacsbr_fixed.c b/libavcodec/aacsbr_fixed.c index b26314a7eb..480062dfcc 100644 --- a/libavcodec/aacsbr_fixed.c +++ b/libavcodec/aacsbr_fixed.c @@ -288,6 +288,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp, shift = a00.exp; if (shift >= 3) alpha0[k][0] = 0x7fffffff; + else if (shift <= -30) + alpha0[k][0] = 0; else { a00.mant <<= 1; shift = 2-shift; @@ -302,6 +304,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp, shift = a01.exp; if (shift >= 3) alpha0[k][1] = 0x7fffffff; + else if (shift <= -30) + alpha0[k][1] = 0; else { a01.mant <<= 1; shift = 2-shift; @@ -315,6 +319,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp, shift = a10.exp; if (shift >= 3) alpha1[k][0] = 0x7fffffff; + else if (shift <= -30) + alpha1[k][0] = 0; else { a10.mant <<= 1; shift = 2-shift; @@ -329,6 +335,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp, shift = a11.exp; if (shift >= 3) alpha1[k][1] = 0x7fffffff; + else if (shift <= -30) + alpha1[k][1] = 0; else { a11.mant <<= 1; shift = 2-shift; |