Commit Graph

8 Commits

Author SHA1 Message Date
Michael Niedermayer 37f31f4e50 avcodec/fitsdec: Use lrint()
Fixes: fate-fitsdec-bitpix-64

Possibly Fixes: -nan is outside the range of representable values of type 'unsigned short'
Possibly Fixes: 17769/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5678314672357376

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-12-05 20:20:05 +01:00
Michael Niedermayer 4a3303d520 avcodec/fitsdec: Fail on 0 naxisn
Fixes: Timeout (100+ sec -> 23ms)
Fixes: 17769/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5678314672357376

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>
2019-10-10 14:34:19 +02:00
James Almer e3f0ecfc57 avcodec/fitsdec: fix use of uninitialised values
header.data_max and header.data_min are not necessarely set on all decoding scenarios.

Fixes a Valgrind reported regression since cfa1937791.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
2019-09-29 12:44:43 -03:00
Michael Niedermayer cfa1937791 avcodec/fitsdec: Prevent division by 0 with huge data_max
Fixes: division by 0
Fixes: 15657/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5738154838982656

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>
2019-09-26 21:02:34 +02:00
Michael Niedermayer eb82d19f03 avcodec/fitsdec: Check data_min/max
Fixes: division by 0
Fixes: 15206/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5657260212092928

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-06-30 14:27:04 +02:00
Michael Niedermayer 07ffe94c17 avcodec/fitsdec: Fix division by 0 in size check
Fixes: division by zero
Fixes: 15210/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5746033243455488

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-06-25 13:30:09 +02:00
Paras Chadha b07faf39ed avcodec/fitsdec: write output to frame directly
Signed-off-by: Paras Chadha <paraschadha18@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2017-09-06 22:48:42 -03:00
Paras Chadha 61e4db4bb7 Add FITS Decoder
Signed-off-by: Paras Chadha <paraschadha18@gmail.com>
2017-08-30 12:13:01 +02:00