82801 Commits

Author SHA1 Message Date
Michael Niedermayer
3e3e42dbc4 avcodec/snowdec: Check intra block dc differences.
Fixes: Timeout
Fixes: 3142/clusterfuzz-testcase-5007853163118592

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 c3b9bbcc6edf2d83fe4857484cfa0839872188c6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Fredrik Hubinette
7d14046740 avformat/mov: Check size of STSC allocation
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a6fdd75fe6440d2f4150cb456a9078aa68b00fdb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
e69edb7aef avcodec/vc2enc: Clear coef_buf on allocation
Fixes: Use of uninitialized memory
Fixes: assertion failure

Reviewed-by: <atomnuker>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6d00905f8134a2932e5c00dd1ec8b2a1f0a38035)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
cbc839681b avcodec/h264dec: Fix potential array overread
add padding before scantable arrays

See: 522d850e68ec4b77d3477b3c8f55b1ba00a9d69a

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 380b48fb9fdc7b0c40d67e026f9b3accb12794eb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
b51f515c5c avcodec/x86/mpegvideodsp: Fix signedness bug in need_emu
Fixes: out of array read
Fixes: 3516/attachment-311488.dat

Found-by: Insu Yun, Georgia Tech.
Tested-by: wuninsu@gmail.com
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 58cf31cee7a456057f337b3102a03206d833d5e8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
4654cc8cee avcodec/aacpsdsp_template: Fix integer overflows in ps_decorrelate_c()
Fixes: runtime error: signed integer overflow: 1939661764 - -454942263 cannot be represented in type 'int'
Fixes: 3191/clusterfuzz-testcase-minimized-5688798451073024

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 2afe05402f05d485f0c356b04dc562f0510d317d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
1fc3ebbcd9 avcodec/aacdec_fixed: Fix undefined shift
Fixes: runtime error: left shift of negative value -801112064
Fixes: 3492/clusterfuzz-testcase-minimized-5784775283441664

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 fca198fb5bf42ba6b765b3f75b11738e4b4fc2a9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
314d78992c avcodec/mdct_*: Fix integer overflow in addition in RESCALE()
Fixes: runtime error: signed integer overflow: 1219998458 - -1469874012 cannot be represented in type 'int'
Fixes: 3443/clusterfuzz-testcase-minimized-5369987105554432

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 770c934fa1635f4fadf5db4fc5cc5ad15d82455a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
5f58877bd9 avcodec/snowdec: Fix integer overflow in header parsing
Fixes: 3984/clusterfuzz-testcase-minimized-5265759929368576
Fixes: runtime error: signed integer overflow: -1085585801 + -1094995529 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 c897a9285846b6a072b9650976afd4f091b7a71f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
d857f1035b avcodec/cngdec: Fix integer clipping
Fixes: runtime error: value -36211.7 is outside the range of representable values of type 'short'
Fixes: 2992/clusterfuzz-testcase-6649611793989632

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 51090133b31bc719ea868db15d3ee38e9dbe90f1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
4730046891 avcodec/sbrdsp_fixed: Fix integer overflow in shift in sbr_hf_g_filt_c()
Fixes: runtime error: shift exponent 66 is too large for 64-bit type 'long long'
Fixes: 3642/clusterfuzz-testcase-minimized-5443853801750528

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 981e99ab99986935affad7c164ebdfe28e8ea7f8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
4e87ab803a avcodec/aacsbr_fixed: Fix division by zero in sbr_gain_calc()
Fixes: 3642/clusterfuzz-testcase-minimized-5443853801750528

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 7d1dec466895eed12f2c79b7ab5447f5390fe869)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
4d9f669a9f avutil/softfloat: Add FLOAT_MIN
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e34fe61bf45331d2e6d2840604f799fa4b55c843)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
7a8b61357c avcodec/h264idct_template: Fix integer overflows in ff_h264_idct8_add()
Fixes: runtime error: signed integer overflow: -503316480 + -2013265038 cannot be represented in type 'int'
Fixes: 3805/clusterfuzz-testcase-minimized-6578427831255040

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 e131b8cedb00043dcc97cc05ca04749ec8ff57de)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
d7c29005a4 avcodec/xan: Check for bitstream end in xan_huffman_decode()
Fixes: Timeout
Fixes: 3707/clusterfuzz-testcase-6465922706440192

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 4b51437dccd62fc5491280db44e3c21b44aeeb3f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
8b8502a66f avcodec/exr: fix undefined shift in pxr24_uncompress()
Fixes: runtime error: left shift of 255 by 24 places cannot be represented in type 'int'
Fixes: 3787/clusterfuzz-testcase-minimized-5728764920070144

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 66f0c958bfd5475658b432d1af4d2e174b2dfcda)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Luca Barbato
d6ecc61db8 avformat: Free the internal codec context at the end
Avoid a use after free in avformat_find_stream_info.

(cherry picked from commit 9e4a5eb51b9f3b2bff0ef08e0074b7fe4893075d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
0bd6717c0f avcodec/xan: Improve overlapping check
Fixes: memcpy-param-overlap
Fixes: 3612/clusterfuzz-testcase-minimized-6393461273001984

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 e8fafef1db43ead4eae5a6301ccc300e73aa47da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
8bd2ba44a1 avcodec/aacdec_fixed: Fix integer overflow in apply_dependent_coupling_fixed()
Fixes: runtime error: signed integer overflow: 623487 * 536870912 cannot be represented in type 'int'
Fixes: 3594/clusterfuzz-testcase-minimized-4650622935629824

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 41d96af2a74cb5df50346b160067facd43149667)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
fcfa854abd avcodec/aacdec_fixed: Fix integer overflow in predict()
Fixes: runtime error: signed integer overflow: -2110708110 + -82837504 cannot be represented in type 'int'
Fixes: 3547/clusterfuzz-testcase-minimized-6009386439802880

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 0976752420706c0a8b3cb8fd61497a47c7d7270f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
7373064247 avcodec/jpeglsdec: Check for end of bitstream in ls_decode_line()
Fixes: 1773/clusterfuzz-testcase-minimized-4832523987189760

Fixes: Timeout

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 f80224ed19a4c012549fd460d529c7c04e68cf21)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Michael Niedermayer
374a2d2250 avcodec/jpeglsdec: Check ilv for being a supported value
Fixes: 1773/clusterfuzz-testcase-minimized-4832523987189760

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 fe533628b9604e2f8e5179d5c5dd17c3cb764265)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08 23:19:14 +01:00
Rostislav Pehlivanov
519a54cc19 vc2enc_dwt: pad the temporary buffer by the slice size
Since non-Haar wavelets need to look into pixels outside the frame, we
need to pad the buffer. The old factor of two seemed to be a workaround
that fact and only padded to the left and bottom. This correctly pads
by the slice size and as such reduces memory usage and potential
exploits.
Reported by Liu Bingchang.

Ideally, there should be no temporary buffer but the encoder is designed
to deinterleave the coefficients into the classical wavelet structure
with the lower frequency values in the top left corner.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
(cherry picked from commit 3228ac730c11eca49d5680d5550128e397061c85)
2017-11-09 02:10:46 +00:00
Michael Niedermayer
4b1e87dc32 Update for 3.2.9
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n3.2.9
2017-10-26 21:48:07 +02:00
Fredrik Hubinette
b76dcd0786 avformat/id3v2: fix leak in chapter parsing
Reviewed-on: https://chromium-review.googlesource.com/439405
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: James Almer <jamrial@gmail.com>
2017-10-26 21:47:41 +02:00
Michael Niedermayer
70d0cc8221 avcodec/snowdec: Check mv_scale
Fixes: runtime error: signed integer overflow: 2 * -1094995530 cannot be represented in type 'int'
Fixes: 3512/clusterfuzz-testcase-minimized-4812747210489856

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 393d6fc7395611a38792e3c271b2be42ac45e672)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-15 00:45:24 +02:00
Michael Niedermayer
1959c0f9f9 avcodec/pafvideo: Check for bitstream end in decode_0()
Fixes: Timeout
Fixes: 3529/clusterfuzz-testcase-5057068371279872

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 9c85329cd02e9284892bf263ce6133b2fc479792)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-15 00:45:10 +02:00
Michael Niedermayer
f052d1df3e avcodec/ffv1dec: Fix out of array read in slice counting
Fixes: test-201710.mp4

Found-by: 连一汉 <lianyihan@360.cn> and Zhibin Hu
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c20f4fcb74da2d0432c7b54499bb98f48236b904)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-13 13:02:23 +02:00
Michael Niedermayer
11f5a13196 avcodec/dirac_dwt: Fix integer overflow in COMPOSE_53iL0()
Fixes: runtime error: signed integer overflow: 2147483646 + 2 cannot be represented in type 'int'
Fixes: 3485/clusterfuzz-testcase-minimized-4940429332054016

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 bdee75a4e750735ab3039f004275ac8479072048)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-13 13:01:58 +02:00
Michael Niedermayer
b2c9771dd4 avcodec/mpeg_er: Clear mcsel in mpeg_er_decode_mb()
Fixes out of array read
Should fix: 3516/clusterfuzz-testcase-minimized-4608518562775040 (not reprodoceable)

Found-by: Insu Yun, Georgia Tech.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 127a362630e11fe724e2e63fc871791fdcbcfa64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-13 12:59:47 +02:00
Michael Niedermayer
16b07d59de avcodec/mpeg4videodec: Use 64 bit intermediates for sprite delta
Fixes: runtime error: signed integer overflow: -104713 * 65536 cannot be represented in type 'int'
Fixes: 3453/clusterfuzz-testcase-minimized-5555554657239040
Fixes: 3528/clusterfuzz-testcase-minimized-6283628420005888

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 e38f280fece38e270a6462a02cc034f4116a7912)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-13 12:58:58 +02:00
Michael Niedermayer
0eb0b21c7f avcodec/x86/lossless_videoencdsp: Fix handling of small widths
Fixes out of array access
Fixes: crash-huf.avi

Regression since: 6b41b4414934cc930468ccd5db598dd6ef643987

This could also be fixed by adding checks in the C code that calls the dsp

Found-by: Zhibin Hu and 连一汉 <lianyihan@360.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit df62b70de8aaa285168e72fe8f6e740843ca91fa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-05 01:33:26 +02:00
Michael Niedermayer
2db9b31996 avcodec/truemotion2: Fix integer overflows in tm2_high_chroma()
Fixes: runtime error: signed integer overflow: -1408475220 + -1408475220 cannot be represented in type 'int'
Fixes: 3336/clusterfuzz-testcase-minimized-5656839179993088

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 44874b4f5ec2c605c70393573b9d85540ebc2d81)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-05 01:30:02 +02:00
Michael Niedermayer
d9630deca4 avcodec/aacdec_template: Clear tns present flag on error
Fixes: 3444/clusterfuzz-testcase-minimized-6270352105668608

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 dcf9bae4a93f54cb5767bc97db4a809efd396f8b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-05 01:29:44 +02:00
Michael Niedermayer
79bec49315 avcodec/proresdec2: SKIP_BITS() does not work with len=32
Fixes: invalid shift
Fixes: 3482/clusterfuzz-testcase-minimized-5446915875405824

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 c37138e01a93da2f9dd2cc5d4b77e5a38581d130)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-05 01:28:21 +02:00
Michael Niedermayer
2293e5a78a avcodec/hevcdsp_template: Fix undefined shift
Fixes: runtime error: left shift of negative value -255
Fixes: 3373/clusterfuzz-testcase-minimized-5604083912146944

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 fbdab6eca7874fbeba6aa79c269f345e4d43f5d4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-05 01:27:59 +02:00
Michael Niedermayer
74b28c54d9 avcodec/jpeg2000: Check that codsty->log2_prec_widths/heights has been initialized
Fixes: OOM
Fixes: 2225/clusterfuzz-testcase-minimized-5505632079708160

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 64e034da954125ef98fb8f9153f9706cdb8a96fe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-05 01:26:57 +02:00
Michael Niedermayer
04be199f8e avcodec/takdec: Fix integer overflow in decode_lpc()
Fixes: runtime error: signed integer overflow: 16748560 + 2143729712 cannot be represented in type 'int'
Fixes: 3202/clusterfuzz-testcase-minimized-4988291642294272

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 5d31f03a0264cac24434c8108daef4ccba6d28f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-25 11:10:29 +02:00
Michael Niedermayer
9e8a636551 avcodec/proresdec2: Check bits in DECODE_CODEWORD(), fixes invalid shift
Fixes: runtime error: shift exponent 42 is too large for 32-bit type 'unsigned int'
Fixes: 3410/clusterfuzz-testcase-minimized-5313377960198144

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 4f5eaf0b5956e492ee5023929669b1d09aaf6299)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-25 11:10:14 +02:00
Michael Niedermayer
397674a3fb avcodec/takdec: Fix integer overflows in decode_subframe()
Fixes: runtime error: signed integer overflow: -1562477869 + -691460395 cannot be represented in type 'int'
Fixes: 3196/clusterfuzz-testcase-minimized-4528307146063872

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 3dabb9c69db114b1f30c30e0a2788cffc50bac40)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-25 11:09:05 +02:00
Michael Niedermayer
720a44f3a3 avcodec/dirac_dwt: Fix integer overflow in COMPOSE_FIDELITYi*()
Fixes: runtime error: signed integer overflow: 161 * 13872281 cannot be represented in type 'int'

Fixes: 3295/clusterfuzz-testcase-minimized-4738998142500864

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 67da2685e03805230207daab83ab43a390fbb887)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-24 02:43:52 +02:00
Michael Niedermayer
5cf5a1034c avcodec/ffv1dec: Fix integer overflow in read_quant_table()
Fixes: runtime error: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 3361/clusterfuzz-testcase-minimized-5065842955911168

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 d00fc952b6c261dd8eb0f7552b9ccf985dbc2b20)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-24 02:41:18 +02:00
Michael Niedermayer
6b66cd8c40 avcodec/svq3: Fix overflow in svq3_add_idct_c()
Fixes: runtime error: signed integer overflow: 2147392585 + 524288 cannot be represented in type 'int'
Fixes: 3348/clusterfuzz-testcase-minimized-4809500517203968

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 2c933c51687db958d8045d25ed87848342e869f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-24 02:40:59 +02:00
Michael Niedermayer
ab2d991382 avcodec/pngdec: Clean up on av_frame_ref() failure
Fixes: memleak
Fixes: 3203/clusterfuzz-testcase-minimized-4514553595428864

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 5480e82d77770e81e897a8c217f3c7f0c13a6de1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-20 03:09:14 +02:00
Michael Niedermayer
98f8f5b12f Update for 3.2.8
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n3.2.8
2017-09-17 12:23:15 +02:00
Michael Niedermayer
0a5251d28e avcodec/hevc_ps: Fix c?_qp_offset_list size
Fixes: runtime error: index 5 out of bounds for type 'int8_t const[5]'
Fixes:3175/clusterfuzz-testcase-minimized-4736774054084608

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 abf3f9fa232409c00b60041464604a91fa5612c0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
2cfabd8ce7 avcodec/shorten: Move buffer allocation and offset init to end of read_header()
They are time consuming operations, performing them after the other checks
improves the speed with damaged input dramatically.

Fixes: Timeout
Fixes: 2928/clusterfuzz-testcase-4992812120539136

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 380659604f2692b625928a3a76a1c046f473c9f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
87ef295ddf avcodec/jpeg2000dsp: Fix multiple integer overflows in ict_int()
Fixes: runtime error: signed integer overflow: 22553 * -188962 cannot be represented in type 'int'
Fixes: 3042/clusterfuzz-testcase-minimized-5174210131394560

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 2d025e742843ca3532bd49ebbfebeacd51337347)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
03bf78eba6 avcodec/hevcdsp_template: Fix undefined shift in put_hevc_pel_bi_w_pixels
Fixes: runtime error: left shift of negative value -95
Fixes: 3077/clusterfuzz-testcase-minimized-4684917524922368

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 c225da68cffbea11270a758ff42859194c980863)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
f3c3cd5afb avcodec/diracdec: Fix overflow in DC computation
Fixes: runtime error: signed integer overflow: 11896 + 2147483646 cannot be represented in type 'int'
Fixes: 3053/clusterfuzz-testcase-minimized-6355082062856192

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 b5995856a4236c27f231210bb08d70688e045192)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00