video is allocated before parameters like bpp are read.
Fixes: out of array access
Fixes: 19084/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5718556033679360
Fixes: 19465/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5759908398235648
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 f1b97f62f86d5dca35d01d7a5ebbc5dca2a88ae6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: index 9 out of bounds for type 'const uint64_t [8][256]'
Fixes: 18409/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5767030560522240
Fixes: 18720/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5651995784642560
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 a1f8b36cc45406f66aac635a4db32d2a5cc29f43)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: undefined memcpy() use
Fixes: 16302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5678750575886336
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 dfa5d1a3667fa38e07373becc2401175b31d8228)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
The initialization of the uint32_t plane32_lut matrix uses left shifts
of the form 1 << plane; plane can be as big as 31 which means that this
is undefined behaviour as 1 will be simply an int. So make it unsigned
to avoid this.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f12e662a3d3f489eec887b5f2ab20a550caed9cf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This checks the ham value much stricter and avoids hitting cases which cannot be reached
with data from the libavformat demuxer.
Fixes: out of array access
Fixes: 15320/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5080476840099840
Fixes: 15423/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5630765833912320
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 f76d7352e05526fde7c607b9a9db536a5760af29)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: out of array access
Fixes: 15381/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5668057826983936
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0f9789c8e37eb6d166729e876729beb21b7d5647)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: 15372/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5708881759567872
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 92e8db532cdee3c73913174413428ffdc35032e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
It was merged with the iff_ilbm decoder in commit
929a24efff9a208a52748605eb412ffb915c1403.
Define AV_CODEC_ID_IFF_BYTERUN1 as AV_CODEC_ID_IFF_ILBM for API
compatibility.
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fa0dea15eae_8988_test.iff
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fe205e395ed_8988_test.iff
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit '2e09096da912f563c4dd889a8f25c314529bbaa6':
kgv1: use the AVFrame API properly.
indeo2: use the AVFrame API properly.
iff: use the AVFrame API properly.
msrle: use the AVFrame API properly.
Conflicts:
libavcodec/iff.c
libavcodec/indeo2.c
libavcodec/kgv1dec.c
libavcodec/msrle.c
See: 451b2ca1b4349f9b60416cc057eaf5518d81025c
See: 80e9e63c946660304fc65fa8141ccfdbe4d196d1
See: 057dce5f21cd70db1ef6e3b67644a39f0d51aba5
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Define positive return values as non errors and leave further meaning undefined
This allows future extensions to use these values
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
