Chiebot-Mirror
/
FFmpeg
8
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

avutil/tx_template: Fix some signed integer overflows in DECL_FFT5()

Browse Source 
Fixes: signed integer overflow: -1364715454 + -1468954671 cannot be represented in type 'int'
Fixes: 62093/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5538774254485504

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
pull/390/head
Michael Niedermayer 2 years ago
parent 7f4fed5216
commit c42a89309a
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 10 additions and 10 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 20
      libavutil/tx_template.c

20
libavutil/tx_template.c
Unescape View File

@ -222,8 +222,8 @@ static av_always_inline void NAME(TXComplex *out, TXComplex *in, \
BF(t[3].im, t[2].re, in[2].re, in[3].re); \
BF(t[3].re, t[2].im, in[2].im, in[3].im); \
\
out[D0*stride].re = dc.re + t[0].re + t[2].re; \
out[D0*stride].im = dc.im + t[0].im + t[2].im; \
out[D0*stride].re = dc.re + (TXUSample)t[0].re + t[2].re; \
out[D0*stride].im = dc.im + (TXUSample)t[0].im + t[2].im; \
\
SMUL(t[4].re, t[0].re, tab[0], tab[2], t[2].re, t[0].re); \
SMUL(t[4].im, t[0].im, tab[0], tab[2], t[2].im, t[0].im); \
@ -235,14 +235,14 @@ static av_always_inline void NAME(TXComplex *out, TXComplex *in, \
BF(z0[2].re, z0[1].re, t[4].re, t[5].re); \
BF(z0[2].im, z0[1].im, t[4].im, t[5].im); \
\
out[D1*stride].re = dc.re + z0[3].re; \
out[D1*stride].im = dc.im + z0[0].im; \
out[D2*stride].re = dc.re + z0[2].re; \
out[D2*stride].im = dc.im + z0[1].im; \
out[D3*stride].re = dc.re + z0[1].re; \
out[D3*stride].im = dc.im + z0[2].im; \
out[D4*stride].re = dc.re + z0[0].re; \
out[D4*stride].im = dc.im + z0[3].im; \
out[D1*stride].re = dc.re + (TXUSample)z0[3].re; \
out[D1*stride].im = dc.im + (TXUSample)z0[0].im; \
out[D2*stride].re = dc.re + (TXUSample)z0[2].re; \
out[D2*stride].im = dc.im + (TXUSample)z0[1].im; \
out[D3*stride].re = dc.re + (TXUSample)z0[1].re; \
out[D3*stride].im = dc.im + (TXUSample)z0[2].im; \
out[D4*stride].re = dc.re + (TXUSample)z0[0].re; \
out[D4*stride].im = dc.im + (TXUSample)z0[3].im; \
}
DECL_FFT5(fft5, 0, 1, 2, 3, 4)

Write Preview
Loading…
Cancel
Save