Fixes: left shift of 255 by 24 places cannot be represented in type 'int'
Fixes: 11377/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5694319101476864
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: Timeout
Fixes: 10280/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5676217211027456
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: runtime error: signed integer overflow: 538976288 * 32 cannot be represented in type 'int'
Fixes: 2310/clusterfuzz-testcase-minimized-4534784887881728
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes multiple runtime error: shift exponent 792 is too large for 32-bit type 'unsigned int'
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This should make no difference as the value should not be able to be that large
but its more correct this way
Fixes CID1348138
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
The arguments of av_reduce are signed, so the cast to uint64_t is misleading.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Fixes out of array access
Fixes: 83aedfb29af669c4d6e10f1bfad974d2/asan_heap-oob_1ab42fe_4984_9f6ec14462f8d8a00ea24b320572a963.tif
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes pixel format selection
Fixes out of array accesses
Fixes: asan_heap-oob_1766029_6_asan_heap-oob_20aa045_332_cov_1823216757_m2-d1d366d7965db766c19a66c7a2ccbb6b.tif
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Create a default grayscale palette for 2 or 4 bpp grayscale tiff, if
there is no palette defined.
Fixes ticket #3915
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
They should match but they do not always
Fixes assertion failure
no testcase with unmodified source available
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
The LZMA support is a semi-official extension supported by libtiff 4.0.0
and later.
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Only use PAL8 if palette is present, else use GRAY8 for pixfmt.
Instead of simulating a grayscale palette, use real grayscale pixels, if no
palette is actually defined.
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Paul B Mahol
Carl Hetherington
Michael Niedermayer
Muhammad Faiz
Andreas Cadhalpun
Carl Eugen Hoyos
Vittorio Giovara
Michael Niedermayer
Anton Khirnov
Matthew Oliver
Benoit Fouet
James Almer
Diego Elio Pettenò
Diego Biurrun
Janne Grunau