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14 Commits

Author SHA1 Message Date
Michael Niedermayer
a89f074d89 avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0 / COMPOSE_DD137iL0 
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int');
Fixes: 6500/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-4523620274536448

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 cb944fc7f1327443a0cf449afbce5a3e8712f90f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-10 01:52:56 +02:00
Michael Niedermayer
2885e45eb4 avcodec/dirac_dwt: Fix overflows in COMPOSE_HAARiH0/COMPOSE_HAARiL0 
Fixes: 4830/clusterfuzz-testcase-minimized-5255392054476800
Fixes: signed integer overflow: 2147483646 - -7 cannot be represented in type 'int'

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 0e62a2373475f58c72c0faf5568be00b26909585)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-31 22:56:15 +01:00
Michael Niedermayer
d0967e3faf avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0() and COMPOSE_DD137iL0() 
Fixes: runtime error: signed integer overflow: 2147483646 + 33554433 cannot be represented in type 'int'
Fixes: 4563/clusterfuzz-testcase-minimized-5438979567517696

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 4d70fbeec8cbab072b3a9b9f760b8deaaef240f2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-31 22:56:14 +01:00
Michael Niedermayer
2bffe4613e avcodec/dirac_dwt: Fix integer overflows in COMPOSE_DAUB97* 
Fixes: 4478/clusterfuzz-testcase-minimized-4752113767809024
Fixes: runtime error: signed integer overflow: -2147483626 + -319489 cannot be represented in type 'int'

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 5e9a13a5a33bf7566591216e335f2529612100bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-31 22:56:14 +01:00
Michael Niedermayer
74d467baa4 avcodec/dirac_dwt: Fix integer overflow in COMPOSE_FIDELITYi* 
Fixes: runtime error: signed integer overflow: -2143827186 - 7404944 cannot be represented in type 'int'
Fixes: 4354/clusterfuzz-testcase-minimized-4671122764201984

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 2b6964f764382742bb052a1ee3b7167cac35332f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-31 22:56:14 +01:00
Michael Niedermayer
813d7f4972 avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD137iL0() 
Fixes: 4035/clusterfuzz-testcase-minimized-6479308925173760
Fixes: runtime error: signed integer overflow: 9 * 402653183 cannot be represented in type 'int'

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 73964680d7bce6d81ddc553a24d73e9a1c9156f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-31 22:56:14 +01:00
Michael Niedermayer
23ea9f91c0 avcodec/dirac_dwt: Fix integer overflow in COMPOSE_53iL0() 
Fixes: runtime error: signed integer overflow: 2147483646 + 2 cannot be represented in type 'int'
Fixes: 3485/clusterfuzz-testcase-minimized-4940429332054016

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 bdee75a4e750735ab3039f004275ac8479072048)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-31 22:56:14 +01:00
Michael Niedermayer
ed5d0bc237 avcodec/dirac_dwt: Fix integer overflow in COMPOSE_FIDELITYi*() 
Fixes: runtime error: signed integer overflow: 161 * 13872281 cannot be represented in type 'int'

Fixes: 3295/clusterfuzz-testcase-minimized-4738998142500864

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 67da2685e03805230207daab83ab43a390fbb887)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-31 22:56:14 +01:00
Michael Niedermayer
812e06cc82 avcodec/dirac_dwt: Fix multiple overflows in 9/7 lifting 
Fixes: runtime error: signed integer overflow: 1073901567 + 1073901567 cannot be represented in type 'int'
Fixes: 3124/clusterfuzz-testcase-minimized-454643435752652

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 f71cd44147e7a914f80fcfacca46c9e7b0374362)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-01-31 22:56:14 +01:00
Michael Niedermayer
30a2c1a1b8 avcodec/dirac_dwt: Fixes integer overflows in COMPOSE_DAUB97* 
Fix multiple: runtime error: signed integer overflow: 6497 * 3409630 cannot be represented in type 'int'
Fixes: 2819/clusterfuzz-testcase-minimized-4743700301217792

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 a5380f9c1c460acccb2edaa8609e4a57c0456088)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-08-08 19:38:10 +02:00
Michael Niedermayer
9d0eb81cb8 avcodec/dirac_dwt: Fix multiple integer overflows in COMPOSE_DD97iH0() 
Fixes: runtime error: signed integer overflow: 9 * 335544320 cannot be represented in type 'int'
Fixes: 2739/clusterfuzz-testcase-minimized-6737297955356672

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 bf8ab72ae95bb11f2c281d464594c2f6ba70326b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-07-29 19:13:21 +02:00
Reimar Döffinger
8cbf0827e1 Various small spelling fixes. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2014-04-22 20:44:31 +02:00
Michael Niedermayer
29852ffc64 avcodec/dirac_dwt: Remove unused ff_spatial_idwt2() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-16 16:07:29 +02:00
Michael Niedermayer
30981a966f lavc: split snow and dirac DWTs 
There is only about 4 lines of common code, so it alot cleaner
when seperated.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-14 22:59:05 +01:00