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Author SHA1 Message Date
Michael Niedermayer
1da3f1084e avcodec/ralf: fix undefined shift 
Fixes: left shift of negative value -2
Fixes: 16145/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5146671058518016

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 0ee886988e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
b74d119ee6 avcodec/bgmc: Check input space in ff_bgmc_decode_init() 
Fixes: Infinite loop
Fixes: 16608/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5636229827133440

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b54031a6e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
d35b7197dd avcodec/truemotion2: Fix multiple integer overflows in tm2_null_res_block() 
Fixes: signed integer overflow: 1795032576 + 598344192 cannot be represented in type 'int'
Fixes: 16196/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5636723419119616

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 cc78783ce5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
4b2c2d787c avcodec/vc1dec: Require res_sprite for wmv3images 
non res_sprite leads to decoder delay which leads to assertion failure
Fixes: Assertion failure
Fixes: 16402/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5704510034411520
Fixes: left shift of 1073741824 by 1 places cannot be represented in type 'int'
Fixes: 16425/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5692858838810624

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 9c6b400492)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
720c2deb02 avcodec/vc1_block: Check for double escapes 
Fixes: out of array read
Fixes: 16331/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5672735195267072

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 6962fd586e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
7954bc8f63 avcodec/vorbisdec: Check get_vlc2() failure 
Fixes: out of array read
Fixes: 16510/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-5754510382727168

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 07b948fe60)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
6d6965b7c4 avcodec/tta: Fix integer overflow in prediction 
Fixes: signed integer overflow: -395281576 + -1827578048 cannot be represented in type 'int'
Fixes: 16038/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5646109705240576

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 7e9aecc9f3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
c4981bcf07 avcodec/vb: Check input packet size to be large enough to contain flags 
Fixes: Timeout (->9sec)
Fixes: 16292/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VB_fuzzer-5747063496638464

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 dea2591d4f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
9a46d72235 avcodec/cavsdec: Limit the number of access units per packet to 2 
Fixes: Timeout (122sec -> 13ms)
Fixes: 15978/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CAVS_fuzzer-5148925004087296

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 37bc8e3249)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:57 +01:00
Michael Niedermayer
db0b447905 avcodec/alac: Fix multiple integer overflows in lpc_prediction() 
Fixes: signed integer overflow: 2088795537 + 2147254401 cannot be represented in type 'int'
Fixes: signed integer overflow: -1500363496 + -1295351808 cannot be represented in type 'int'
Fixes: signed integer overflow: -79560 * 32640 cannot be represented in type 'int'
Fixes: signed integer overflow: 2088910005 + 2088796058 cannot be represented in type 'int'
Fixes: signed integer overflow: -117258064 - 2088725225 cannot be represented in type 'int'
Fixes: signed integer overflow: 2088725225 - -117258064 cannot be represented in type 'int'
Fixes: 15739/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5630664122040320

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 ae3d6a337a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:56 +01:00
Michael Niedermayer
72a0e74db9 avcodec/rl2: set dimensions 
The dimensions are always 320x200 they are hardcoded in the demuxer.
Hardcode them instead in the decoder.

Fixes: Timeout (16sec -> 400ms)
Fixes: 15574/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RL2_fuzzer-5158614072819712

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 965e766e48)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-06 20:30:56 +01:00
Michael Niedermayer
d5ab2f5023 avformat/realtextdec: free queue on error 
Fixes: memleak
Fixes: 16277/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5696629440512000

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 493438fafc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
f4c287ed23 avcodec/alsdec: Fix integer overflow in decode_var_block_data() 
Fixes: signed integer overflow: 1927975249 - -514719744 cannot be represented in type 'int'
Fixes: 16413/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5651206856245248

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 661a9b274b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
59f2ec7062 avcodec/alsdec: Limit maximum channels to 512 
There seems to be no limit in the specification and upto 64k could be stored
512 is choosen as limit as thats the maximum in a conformance sample

An alternative to this patch would be a max_channels variable

Fixes: OOM
Fixes: 16200/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5764788793114624

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Suggested-by: Thilo Borgmann <thilo.borgmann@mail.de>
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f51e4d026c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
1b0aac8f42 avcodec/anm: Check input size for a frame with just a stop code 
Fixes: Timeout (11sec -> 6sec)
Fixes: 16344/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ANM_fuzzer-5673032000995328

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 1965161ef6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
e32ef596a9 avcodec/loco: Check left column value 
Fixes: Timeout (42sec -> 379 ms)
Fixes: 16323/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5679178099195904

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 c812db814e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
a982163627 avcodec/ffwavesynth: Fixes invalid shift with pink noise seeking 
Fixes: left shift of negative value -961533698048
Fixes: 16242/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5738550670131200

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cdea0206ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
479361eb92 avcodec/ffwavesynth: Fix integer overflow for some corner case values 
Fixes: left shift of negative value -14671840
Fixes: 16000/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5145977817661440

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 c4a88fb546)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
6201a60631 avcodec/indeo2: Check remaining input more often 
Fixes: Timeout (95sec -> 30ms)
Fixes: 14765/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO2_fuzzer-5692455527120896

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpe
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 52939a2c57)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
94242dd739 avcodec/vp56: Consider the alpha start as end of the prior header 
Fixes: Timeout (23sec -> 71ms)
Fixes: 15661/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP6A_fuzzer-6257865947348992

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 db78bc1297)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
6eef056cf5 avcodec/4xm: Check for end of input in decode_p_block() 
Fixes: Timeout (81sec -> 0.2sec)
Fixes: 16169/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5662570416963584

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 8f92eb05e0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 20:58:37 +01:00
Michael Niedermayer
ba3f7c14af avcodec/hnm4video: Optimize postprocess_current_frame() 
Improves: Timeout (220sec -> 108sec)
Improves: 15570/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HNM4_VIDEO_fuzzer-5085482213441536

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cd460f4da0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
296a167b3e avcodec/hevc_refs: Optimize 16bit generate_missing_ref() 
Fixes: Timeout (86sec -> 8sec) [these numbers assume also "[FFmpeg-devel] [PATCH 2/5] [RFC] avcodec/hevcdec: Check for overread in hls_decode_entry()"]
Fixes: 15702/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5657764929470464

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 da8936969f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
514164d4e2 avcodec/dds: Use ff_set_dimensions() 
Fixes: signed integer overflow: 2082471995 * 36 cannot be represented in type 'int'
Fixes: 16025/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DDS_fuzzer-5136663778426880

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 9cd1e939cf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
3538c3476f avcodec/mpc8: Fix 32bit mask/enum 
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 15817/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPC8_fuzzer-5636626409062400

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 e8bb949ade)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
781aa8f07f avcodec/alsdec: Fix integer overflows of raw_samples in decode_var_block_data() 
This also makes the code consistent with the existing similar MUL64()
in decode_var_block_data()

Fixes: signed integer overflow: -7277630735906765035 + -3272193951413647896 cannot be represented in type 'long'
Fixes: 16015/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5666552818434048

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 fad3ec89b7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
09a6d81db0 avcodec/alsdec: Fix integer overflow of raw_samples in decode_blocks() 
Fixes: signed integer overflow: 2147483424 - -1772303236 cannot be represented in type 'int'
Fixes: 15708/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5067890362941440

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 ce65232406)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
3ee68a677d avcodec/aacdec_template: fix integer overflow in imdct_and_windowing() 
Fixes: signed integer overflow: 2147483645 + 4 cannot be represented in type 'int'
Fixes: 15418/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5685269069561856

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 da93e2b142)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Andreas Rheinhardt
a1233d39c6 libavcodec/iff: Use unsigned to avoid undefined behaviour 
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 f12e662a3d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
92c75a313e avcodec/alsdec: Check for block_length <= 0 in read_var_block_data() 
Fixes: left shift of negative value -1
Fixes: 15719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5685731105701888

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 be4fb282f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
5818ae3cff avcodec/vqavideo: Set video size 
Fixes: out of array access
Fixes: 15919/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VQA_fuzzer-5657368257363968

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 02f909dc24)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
1d752c2a05 avcodec/sanm: Check extradata_size before allocations 
Fixes: Leaks
Fixes: 15349/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SANM_fuzzer-5102530557640704

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 172a43ce36)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
5a7b7fc025 avcodec/mss1: check for overread and forward errors 
Fixes: Timeout (106sec -> 14ms)
Fixes: 15576/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSS1_fuzzer-5688080461201408

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 43015afd7c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
af58de8e49 avcodec/dirac_parser: Fix overflow in dts 
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 15568/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5634719611355136

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 549fcba8fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
21d93e0254 avcodec/ralf: Fix undefined pointer in decode_channel() 
Fixes: 16203/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5086088934195200

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 3c06ba1716)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
0e69785d53 avcodec/ralf: Fix integer overflow in apply_lpc() 
Fixes: signed integer overflow: 1603085316 + 1238786562 cannot be represented in type 'int'
Fixes: 16203/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5086088934195200

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 ccca484324)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
ef938d8efd avcodec/vorbisdec: Implement vr->classifications = 1 
It appears no valid file uses this, so this is not testable with
a valid file.

Fixes: assertion failure
Fixes: 16187/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-5638880618872832

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 5a5f12e3b3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:49 +01:00
Michael Niedermayer
979d982bc1 avcodec/vorbisdec: Check parameters in vorbis_floor0_decode() before divide 
Fixes: division by zero
Fixes: 16183/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-5688966782648320

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 aecc9b96d6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
787501ae7f avcodec/apedec: Fix 2 signed overflows 
Fixes: left shift of 1073741824 by 1 places cannot be represented in type 'int'
Fixes: signed integer overflow: 2049431315 + 262759074 cannot be represented in type 'int'
Fixes: 16012/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5719016003338240

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 392c028cd2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
b4530a6ac8 avcodec/mss3: Check for the rac stream being invalid in rac_normalize() 
Fixes: out of array read
Fixes: 15982/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSA1_fuzzer-5630676251967488

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 99a172f3f4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
4748da854a avcodec/vc1_block: Check get_vlc2() return before use 
Fixes: index -1 out of bounds for type 'const uint8_t [185][2]'
Fixes: 15720/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSS2_fuzzer-5666071933091840

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 2cb1f79735)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
cc600fe4b5 avcodec/apedec: Do not partially clear data array 
Fixes: Assertion failure and memleak
Fixes: 15709/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5182435093905408

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 8e4b522c91)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
18013f760b avcodec/hnm4video: Forward errors of decode_interframe_v4() 
Fixes: Timeout (108sec -> 160ms)
Fixes: 15570/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HNM4_VIDEO_fuzzer-5085482213441536

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
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 9af8ce754b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
d1c2e5a362 avcodec/vp3: Check that theora is theora 
Theora is forced to be non zero if it is zero and a sample
is asked for, as suggested by reimar

Fixes: Timeout (2min -> 600ms)
Fixes: 15366/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-5737849938247680

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 b4bf7226af)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
8d6608c04d avcodec/vc1_pred: Fix invalid shift in scaleforsame() 
Fixes: left shift of negative value -1
Fixes: 15531/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5759556258365440

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 6dfda35dd2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
5c1a6ecb98 avcodec/vc1_block: Fix integer overflow in ff_vc1_pred_dc() 
Fixes: signed integer overflow: 32796 * 65536 cannot be represented in type 'int'
Fixes: 15430/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5735424087031808

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 f31ed8f3b0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
e6701fa94b avcodec/truemotion2: Fix several integer overflows in tm2_motion_block() 
Fixes: 15524/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5173148372172800
Fixes: signed integer overflow: 13701388 - -2134868270 cannot be represented in type 'int'

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 9a353ea876)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
f7f3c07282 avcodec/apedec: make left/right unsigned to avoid undefined behavior 
Fixes: signed integer overflow: 755176387 + 1515360583 cannot be represented in type 'int'
Fixes: 15506/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5706859232624640

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 bf778af149)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
f9749f3335 avcodec/apedec: Fix multiple integer overflows and undefined behaviorin filter_3800() 
Fixes: left shift of negative value -4
Fixes: signed integer overflow: -15091694 * 167 cannot be represented in type 'int'
Fixes: signed integer overflow: 1898547155 + 453967445 cannot be represented in type 'int'
Fixes: 15258/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5759095564402688
Fixes: signed integer overflow: 962196438 * 31 cannot be represented in type 'int'
Fixes: 15364/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5718799845687296

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 267eb2ab7f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00
Michael Niedermayer
f2eb30e654 avcodec/eatgv: Check remaining size after the keyframe header 
The minimal size which unpack() will not fail on is 5 bytes
Fixes: Timeout (14sec -> 77ms) (testcase 15508)
Fixes: 15508/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EATGV_fuzzer-5700053513011200
Fixes: 15996/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EATGV_fuzzer-5751353223151616

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 009ec8dc33)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-12-02 19:41:48 +01:00