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Commit Graph

8 Commits

Author SHA1 Message Date
Michael Niedermayer
10eabb8e40 avcodec/interplayacm: Fix overflow of last unused value
Fixes: signed integer overflow: -2147450880 - 65535 cannot be represented in type 'int'
Fixes: 18393/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5667520110919680

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-09 18:03:38 +01:00
Michael Niedermayer
3948d80842 avcodec/interplayacm: Fix integer overflows in juggle()
Fixes: signed integer overflow: -760459023 + -1520918047 cannot be represented in type 'int'
Fixes: 17994/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5647123042795520

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-10-25 00:22:33 +02:00
Paul B Mahol
0d37823c83 avcodec/interplayacm: decoder supports init_cleanup capability 2018-09-08 20:44:22 +02:00
Andreas Cadhalpun
60178e78f2 interplayacm: increase bitstream buffer size by AV_INPUT_BUFFER_PADDING_SIZE
This fixes out-of-bounds reads by the bitstream reader.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-01 00:39:06 +01:00
Andreas Cadhalpun
5540d6c134 interplayacm: validate number of channels
The number of channels is used as divisor in decode_frame, so it must
not be zero to avoid SIGFPE crashes.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-10-30 22:38:23 +01:00
Andreas Cadhalpun
14e4e26559 interplayacm: check for too large b
This fixes out-of-bounds reads.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-10-30 22:38:03 +01:00
Clément Bœsch
f755aa5ebd lavc: move 2 more BITSTREAM_READER_LE definitions
This was mentioned to be in ae753dbd0d but
actually wasn't.
2016-06-29 11:41:12 +02:00
Paul B Mahol
c89e075d5a avcodec: add Interplay ACM decoder
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-11-03 12:01:27 +01:00