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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-21 01:43:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-16 01:05:27 +0200 |
| commit | 90ff230fd18e720c6923e4488bb05ca557a360d9 (patch) | |
| tree | 21bf62a8b5d1da523e843571d46a2fd49f832761 | |
| parent | f5212833b2e2ddd009faa6089df6d1640c8b85b3 (diff) | |
| download | ffmpeg-90ff230fd18e720c6923e4488bb05ca557a360d9.tar.gz | |
avcodec/sbrdsp_fixed: fix runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: part of 1709/clusterfuzz-testcase-minimized-4513580554649600
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 384508b2ff69bc3fad1e1c2e7de0dcd0913c6208)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/sbrdsp_fixed.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/sbrdsp_fixed.c b/libavcodec/sbrdsp_fixed.c index f4e3de0c71..924da83c85 100644 --- a/libavcodec/sbrdsp_fixed.c +++ b/libavcodec/sbrdsp_fixed.c @@ -229,11 +229,11 @@ static void sbr_hf_gen_c(int (*X_high)[2], const int (*X_low)[2], static void sbr_hf_g_filt_c(int (*Y)[2], const int (*X_high)[40][2], const SoftFloat *g_filt, int m_max, intptr_t ixh) { - int m, r; + int m; int64_t accu; for (m = 0; m < m_max; m++) { - r = 1 << (22-g_filt[m].exp); + int64_t r = 1LL << (22-g_filt[m].exp); accu = (int64_t)X_high[m][ixh][0] * ((g_filt[m].mant + 0x40)>>7); Y[m][0] = (int)((accu + r) >> (23-g_filt[m].exp)); |