Commit graph

37054 commits

Author SHA1 Message Date
Michael Niedermayer
64993b613b avcodec/mjpegdec: Check for odd progressive RGB
Fixes: out of array access
Fixes: 9225/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-5684770334834688

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 ee1e3ca5eb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
2b8c152327 avcodec/indeo4: Check for end of bitstream in decode_mb_info()
Fixes: Timeout
Fixes: 8776/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-5361788798369792

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 267ba2aa96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
c7dca18226 avcodec/shorten: Fix undefined addition in shorten_decode_frame()
Fixes: signed integer overflow: 1139785606 + 1454196085 cannot be represented in type 'int'
Fixes: 8937/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-6202943597445120

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 3b10bb8772)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
e1d4289596 avcodec/shorten: Fix undefined integer overflow
Fixes: signed integer overflow: 8454144 * 256 cannot be represented in type 'int'
Fixes: 8788/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5728205041303552

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 70832333bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
c68a8137ce avcodec/jpeg2000dec: Fixes invalid shifts in jpeg2000_decode_packets_po_iteration()
Fixes: shift exponent 47 is too large for 32-bit type 'int'
Fixes: 9163/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5661750182543360

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 652d7c6348)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
636081c982 avcodec/jpeg2000dec: Check that there are enough bytes for all tiles
Fixes: OOM
Fixes: 8781/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5810709081358336

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 0898a3d990)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
09e4f84365 avcodec/escape124: Fix spelling errors in comment
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f59c4e4391)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
4bb368e6d9 avcodec/ra144: Fix integer overflow in ff_eval_refl()
Fixes: signed integer overflow: -4096 * -524288 cannot be represented in type 'int'
Fixes: 8650/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5734816036159488

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 b31189881a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
28a0f69987 avcodec/cscd: Check output buffer size for lzo.
Fixes: Timeout
Fixes: 8665/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CSCD_fuzzer-5768442610188288

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
(cherry picked from commit 78167b498f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
dac23ef23c avcodec/escape124: Check buf_size against num_superblocks
Fixes: Timeout
Fixes: 8722/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ESCAPE124_fuzzer-4843268402577408

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 6677c98626)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
2a30376e50 avcodec/h264_parser: Reduce needed history for parsing mb index
This fixes a bug/regression with very small packets
Fixes: output_file

Regression since: 0782fb6bcb

Reported-by: Thierry Foucu <tfoucu@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d25c945247)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
be9424966f avcodec/mjpegdec: Check for end of bitstream in ljpeg_decode_rgb_scan()
Fixes: Timeout
Fixes: 8648/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5108395525799936

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 540e8c2d64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
5cf8268b03 avcodec/aacdec_fixed: Fix undefined integer overflow in apply_independent_coupling_fixed()
Fixes: signed integer overflow: 1195517 * 2048 cannot be represented in type 'int'
Fixes: 8636/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-4695836326887424

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 8bd514d934)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
836a9d62d1 avcodec/dirac_dwt_template: Fix undefined behavior in interleave()
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8697/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5197148130902016

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 575d8ca026)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
35cd7417f9 avcodec/h264_ps: Move MAX_LOG2_MAX_FRAME_NUM to header so it can be used in h264_sei
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b796c5ae92)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
7281cf7195 avcodec/h264_mc_template: Only prefetch motion if the list is used.
Fixes: index 59 out of bounds for type 'H264Ref [48]'
Fixes: 8232/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5703295145345024

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 8b55591757)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
d18d83f5a1 avcodec/xwddec: Use ff_set_dimensions()
Fixes: OOM
Fixes: 8178/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XWD_fuzzer-4844793342459904

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>
(cherry picked from commit c2852e4e00)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
e1eebcbe3b avcodec/wavpack: Fix overflow in adding tail
Fixes: signed integer overflow: 2146907204 + 26846088 cannot be represented in type 'int'
Fixes: 8105/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-6233036682166272

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 d13379fb79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
eba50bdadc avcodec/shorten: Fix multiple integer overflows
Fixes: signed integer overflow: 3 * 1006632960 cannot be represented in type 'int'
Fixes: 8278/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5692857166856192

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 f2abd36b38)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
72aac791f1 avcodec/shorten: Fix undefined shift in fix_bitshift()
Fixes: left shift of negative value -9
Fixes: 8571/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5715966875926528

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 606c714823)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
e2207d5c46 avcodec/shorten: Fix a negative left shift in shorten_decode_frame()
Fixes: left shift of negative value -9057
Fixes: 8527/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5666853924896768

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 a711efe922)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
9b1cbcdafb avcodec/shorten: Sanity check nmeans
Fixes: OOM
Fixes: 8195/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5179785826271232

The reference software appears to use longs for 32bits and it uses int for nmeans
hinting that the intended maximum size was not 32bit.

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 d91a0b503d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
60021049be avcodec/shorten: Check non COMM chunk len before skip in decode_aiff_header()
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8024/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5109204648984576

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 424a81df10)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
e520692e14 avcodec/mjpegdec: Fix integer overflow in ljpeg_decode_rgb_scan()
Fixes: signed integer overflow: 32768 + 2147450880 cannot be represented in type 'int'
Fixes: 7885/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5298834394578944

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 936f4a2c2e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
89c2b51579 avcodec/truemotion2: Fix overflow in tm2_apply_deltas()
Fixes: signed integer overflow: 1077952576 + 1077952576 cannot be represented in type 'int'
Fixes: 7712/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5056281753681920

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 79c6047c36)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:47 +02:00
Michael Niedermayer
5acbb27cbd avcodec/opus_silk: Change silk_lsf2lpc() slightly toward silk/NLSF2A.c
Fixes: runtime error: signed integer overflow: -1440457022 - 785819492 cannot be represented in type 'int'
Fixes: 7700/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OPUS_fuzzer-6595838684954624

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 e7dda51150)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
008288c2c4 avcodec/amrwbdec: Fix division by 0 in find_hb_gain()
This restructures the code slightly toward D_UTIL_dec_synthesis()

Fixes: 7420/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AMRWB_fuzzer-6577305112543232

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 dce80a4b47)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
6ad66ddce3 avcodec/fic: Avoid some magic numbers related to cursors
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6a11714c4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
9797767ff7 avcodec/g2meet: ask for sample with overflowing RGB
Suggested-by: Tomas Härdin <tjoppen@acc.umu.se>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ab834b8f36)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
ec1aca8500 avcodec/aacdec_fixed: use 64bit to avoid overflow in rounding in apply_dependent_coupling_fixed()
Fixes: signed integer overflow: -2141499320 + -14469590 cannot be represented in type 'int'
Fixes: 7351/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-6351214791884800

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 90475db97e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
32aa3e55b1 oavcodec/aacpsdsp_template: Use unsigned for hs0X to prevent undefined behavior
Fixes: signed integer overflow: 1073741842 + 1784008138 cannot be represented in type 'int'
Fixes: 6792/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5677589835284480

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 62cb6fadf3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
55e4a40e96 avcodec/g723_1dec: Clip bits2 in both directions
Fixes: shift exponent 33 is too large for 32-bit type 'int'
Fixes: 6743/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G723_1_fuzzer-5823772687859712

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 53f241218d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
d6f8960812 avcodec/mpeg4videoenc: Use 64 bit for times in mpeg4_encode_gop_header()
Fixes truncation
Fixes Assertion n <= 31 && value < (1U << n) failed at libavcodec/put_bits.h:169
Fixes: ffmpeg_crash_2.avi

Found-by: Thuan Pham <thuanpv@comp.nus.edu.sg>, Marcel Böhme, Andrew Santosa and Alexandru RazvanCaciulescu with AFLSmart

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e1182fac1a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
99b4524bfb avcodec/mlpdec: Only change noise_type if the related fields are valid
Fixes: inconsistency
Fixes:runtime error: index 8 out of bounds for type 'int32_t [8]'
Fixes: 6686/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEHD_fuzzer-5191383498358784

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 63c4a4b0d6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
2a9f93d8b0 indeo4: Decode all or nothing of a band header.
This avoids inconsistent value combinations.
Alternatively it would be possible to add more checks and careful use of
temporary variables, but my try of this quickly seemed to become
a rather large change.
The disadvantage of this, is that the struct is copied back and forth.

Fixes: index 6 out of bounds for type 'const uint16_t [5][16]'
Fixes: 6557/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-4787296550256640

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 10c8521265)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
3a97317e8b 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 cb944fc7f1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
837c42535b avcodec/fic: Check available input space for cursor
Fixes: out of array read
Fixes: 6546/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FIC_fuzzer-6317064647081984

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 cb2f7ea96b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
8878f43cf5 avcodec/g2meet: Check RGB upper limit
Fixes: runtime error: left shift of 1876744317 by 16 places cannot be represented in type 'int'
Fixes: 6799/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5115274731716608

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 4dd2c8b9ea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
45b45ce240 avcodec/jpeg2000dec: Fix undefined shift in the jpeg2000_decode_packets_po_iteration() CPRL case
Fixes: shift exponent 47 is too large for 32-bit type 'int'
Fixes: 7955/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-6016721977606144

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 652ba72ed3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
6d3b48f285 avcodec/jpeg2000dec: Skip init for component in CPRL if nothing is to be done
Fixes: assertion failure
Fixes: 7949/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-4819602782552064

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 a96c131eb5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
b06c67cbf3 avcodec/g2meet: Change order of operations to avoid undefined behavior
Fixes: signed integer overflow: 65280 * 196032 cannot be represented in type 'int'
Fixes: 7279/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5977332473921536

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 0a47451458)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
c21933835b avcodec/flac_parser: Fix infinite loop
Fixes: crbug/827204

Reported-by: Frank Liberato <liberato@google.com>
Reviewed-by: Frank Liberato <liberato@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 15a2e35e9e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
6ea3a2a276 avcodec/wavpack: Fix integer overflow in DEC_MED() / INC_MED()
Fixes: runtime error: signed integer overflow: 2147483637 + 128 cannot be represented in type 'int'
Fixes: 6701/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-5358324934508544

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 6e95d80e6f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
1411eddce6 avcodec/error_resilience: Fix integer overflow in filter181()
Fixes: runtime error: signed integer overflow: 197710 * 10923 cannot be represented in type 'int'
Fixes: 7010/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5667127596941312

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 1c97035e3b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
95156bdb59 avcodec/h263dec: Check slice_ret in mspeg4 slice loop
Fixes infinite loop
Fixes: 6858/clusterfuzz-testcase-ffmpeg_AV_CODEC_ID_MSMPEG4V3_fuzzer-4681563766784000
Fixes: 6890/clusterfuzz-testcase-ffmpeg_AV_CODEC_ID_WMV1_fuzzer-4756103142309888

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 de841fbea7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
2901299610 avcodec/elsdec: Fix memleaks
Fixes: 6798/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5135899701542912

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 0bd0401336)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
83e870beb8 avcodec/vc1_block: simplify ac_val computation
also fixes: runtime error: index 1456 out of bounds for type 'int16_t [16]'

Found-by: durandal_1707
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d06b01fc2d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
1e4bd765ac avcodec/ffv1enc: Check that the crc + version combination is supported
The crc flag is only stored since version 3 thus before this crcs do not
work. We increase the version as needed same as we do with pix_fmts

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d9706f79c1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
05f4488bd7 avcodec/dsicinvideo: Fail if there is only a small fraction of the data available that comprises a full frame
Fixes: Timeout
Fixes: 6306/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSICINVIDEO_fuzzer-5079253549842432

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 5549488bbf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00
Michael Niedermayer
8b89c007e8 avcodec/dsicinvideo: Propagate errors from cin_decode_rle()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 942217b153)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-08 19:45:46 +02:00