Commit graph

36884 commits

Author SHA1 Message Date
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 c20f4fcb74)
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 bdee75a4e7)
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 127a362630)
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 e38f280fec)
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: 6b41b44149

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 df62b70de8)
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 44874b4f5e)
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 dcf9bae4a9)
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 c37138e01a)
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 fbdab6eca7)
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 64e034da95)
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 5d31f03a02)
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 4f5eaf0b59)
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 3dabb9c69d)
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 67da2685e0)
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 d00fc952b6)
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 2c933c5168)
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 5480e82d77)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-20 03:09:14 +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 abf3f9fa23)
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 380659604f)
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 2d025e7428)
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 c225da68cf)
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 b5995856a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
256ebf8bb4 avcodec/dirac_vlc: limit res_bits in APPEND_RESIDUE()
Fixes: runtime error: left shift of 1073741838 by 1 places cannot be represented in type 'int32_t' (aka 'int')
Fixes: 3279/clusterfuzz-testcase-minimized-4564805744590848

Suggested-by: <atomnuker>
Reviewed-by: <atomnuker>
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 d98d29a775)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Mark Wachsler
36c0958fbd libavcodec/h264_parse: don't use uninitialized value when chroma_format_idc==0
When parsing a monochrome file, chroma_log2_weight_denom was used without
being initialized, which could lead to a bogus error message being printed, e.g.
  [h264 @ 0x61a000026480] chroma_log2_weight_denom 24576 is out of range
It also could led to warnings using AddressSanitizer.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fde5c7dc79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
372bb59438 avcodec/dirac_vlc: Fix invalid shift in ff_dirac_golomb_read_32bit()
Fixes: runtime error: shift exponent 64 is too large for 64-bit type 'residual' (aka 'unsigned long')
Fixes: 2838/clusterfuzz-testcase-minimized-6260066086813696

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 c595139f1f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
d5b42af8e7 avcodec/dirac_dwt: Fix multiple overflows in 9/7 lifting
Fixes: runtime error: signed integer overflow: 1073901567 + 1073901567 cannot be represented in type 'int'
Fixes: 3124/clusterfuzz-testcase-minimized-454643435752652

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 f71cd44147)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
2173539519 avcodec/diracdec: Fix integer overflow in INTRA_DC_PRED()
Fixes: runtime error: signed integer overflow: 1168175789 + 1168178473 cannot be represented in type 'int'
Fixes: 3081/clusterfuzz-testcase-minimized-4807564879462400
Fixes: 2844/clusterfuzz-testcase-minimized-5561715838156800

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 2a0823ae96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
e29c9ef2d5 avcodec/snowdec: Fix integer overflow in decode_subband_slice_buffered()
Fixes: runtime error: signed integer overflow: 267 * 8388608 cannot be represented in type 'int'
Fixes: 2743/clusterfuzz-testcase-minimized-5820652076400640

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 732f976456)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
50d726273e avcodec/hevc_ps: Fix undefined shift in pcm code
Fixes: runtime error: shift exponent -1 is negative
Fixes: 3091/clusterfuzz-testcase-minimized-6229767969832960

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 2a83866c9f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
a4cc1101cc avcodec/sbrdsp_fixed: Fix undefined overflows in autocorrelate()
Fixes: runtime error: signed integer overflow: 8903997421129740175 + 354481484684609529 cannot be represented in type 'long'
Fixes: 2045/clusterfuzz-testcase-minimized-6751255865065472

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 eefb68c9c3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
3738a41830 avcodec/hevc_ps: Check delta_pocs in ff_hevc_decode_short_term_rps()
Fixes: integer overflow
Fixes: 2893/clusterfuzz-testcase-minimized-5809330567774208

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 2b44dcbc44)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Vitaly Buka
febea34f91 avcodec/utils: Fix signed integer overflow in rc_initial_buffer_occupancy initialization
Signed integer overflow is undefined behavior.
Detected with clang and -fsanitize=signed-integer-overflow

Signed-off-by: Vitaly Buka <vitalybuka@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8c2bb10ddf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
6da5e63ba7 avcodec/aacdec_template: Fix running cleanup in decode_ics_info()
Fixes: out of array read
Fixes: 2873/clusterfuzz-testcase-minimized-5924145713905664

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg

Previous version reviewed-by: Alex Converse <alex.converse@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6f03ffb47d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
d15b1da8bc avcodec/me_cmp: Fix crashes on ARM due to misalignment
Adds a diff_pixels_unaligned()

Fixes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=872503

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bc488ec28a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
dc86479e5f avcodec/dirac_dwt_template: Fix integer overflow in vertical_compose53iL0()
Fixes: runtime error: signed integer overflow: 2147483646 + 2 cannot be represented in type 'int'
Fixes: 3013/clusterfuzz-testcase-minimized-4644084197097472

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 a165b53daa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
98cd9cd4c2 avcodec/fic: Fixes signed integer overflow
Fixes: runtime error: signed integer overflow: 1037142357 + 1227025305 cannot be represented in type 'int'
Fixes: 3024/clusterfuzz-testcase-minimized-5885660323905536

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 0c9d5b015c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
bd09e3b19c avcodec/snowdec: Fix off by 1 error
Fixes: runtime error: index 4 out of bounds for type 'int8_t [4]'
Fixes: 3023/clusterfuzz-testcase-minimized-6421736130084864

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 d132683ddd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
5bc3b18e3d avcodec/diracdec: Fixes integer overflow
Fixes: runtime error: signed integer overflow: 340018243 * 27 cannot be represented in type 'int'
Fixes: 2861/clusterfuzz-testcase-minimized-5361070510178304

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 92da23093c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
952393b69e avcodec/diracdec: Check perspective_exp and zrs_exp.
Fixes: undefined shift
Fixes: runtime error: shift exponent 264 is too large for 32-bit type 'int'
Fixes: 2860/clusterfuzz-testcase-minimized-4672811689836544

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 1e6cab8745)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
04db307c77 avcodec/ffv1dec_template: Fix undefined shift
Fixes: runtime error: left shift of negative value -127
Fixes: 2834/clusterfuzz-testcase-minimized-5988039123795968

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 62702eebde)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
342d5c20ce avcodec/mpeg4videodec: Clear mcsel before decoding an image
Fixes: runtime error: signed integer overflow: 2146467840 + 1032192 cannot be represented in type 'int'
Fixes: 2826/clusterfuzz-testcase-minimized-5901511613743104

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 7735ed2974)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
52c4069119 avcodec/dirac_dwt: Fixes integer overflows in COMPOSE_DAUB97*
Fix multiple: runtime error: signed integer overflow: 6497 * 3409630 cannot be represented in type 'int'
Fixes: 2819/clusterfuzz-testcase-minimized-4743700301217792

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 a5380f9c1c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
e595087048 avcodec/aacdec_fixed: fix invalid shift in predict()
Fixes: runtime error: shift exponent -2 is negative
Fixes: 2818/clusterfuzz-testcase-minimized-5062943676825600

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 1e443051b2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
b66aa37834 avcodec/h264_slice: Fix overflow in slice offset
Fixes: runtime error: signed integer overflow: 1610612736 * 2 cannot be represented in type 'int'
Fixes: 2817/clusterfuzz-testcase-minimized-5289691240726528

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 1f53bde6d8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
19938f1a11 avcodec/diracdsp: fix integer overflow
Fixes: runtime error: signed integer overflow: 11 * 225726413 cannot be represented in type 'int'
Fixes: 2764/clusterfuzz-testcase-minimized-5382561922547712

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 b2d9d72269)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
892ceb512f avcodec/diracdec: Check weight_log2denom
Fixes: runtime error: shift exponent -1 is negative
Fixes: 2742/clusterfuzz-testcase-minimized-5724322402402304
Fixes: 2744/clusterfuzz-testcase-minimized-4672435653705728
Fixes: 2749/clusterfuzz-testcase-minimized-5298741273690112

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 880f5c5913)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-17 12:21:32 +02:00
Michael Niedermayer
e889397924 avcodec/dirac_dwt: Fix multiple integer overflows in COMPOSE_DD97iH0()
Fixes: runtime error: signed integer overflow: 9 * 335544320 cannot be represented in type 'int'
Fixes: 2739/clusterfuzz-testcase-minimized-6737297955356672

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 bf8ab72ae9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-29 19:13:20 +02:00
Michael Niedermayer
7827b06d77 avcodec/diracdec: Fix integer overflow in divide3()
Fixes: runtime error: signed integer overflow: -1073746548 * 21845 cannot be represented in type 'int'
Fixes: 2729/clusterfuzz-testcase-minimized-5902915464069120

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 c0220c768c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-29 14:23:24 +02:00
Michael Niedermayer
bae812711a avcodec/takdec: Fix integer overflow in decode_subframe()
Fixes: runtime error: signed integer overflow: -536870912 - 1972191120 cannot be represented in type 'int'
Fixes: 2711/clusterfuzz-testcase-minimized-4975142398590976

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 2c630d159f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-29 14:18:34 +02:00
Michael Niedermayer
8c7b477b97 avcodec/diracdec: Fix integer overflow in signed multiplication in UNPACK_ARITH()
Fixes: runtime error: signed integer overflow: 1073741823 * 4 cannot be represented in type 'int'
Fixes: 2729/clusterfuzz-testcase-minimized-5902915464069120

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 8e275a74b0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-28 03:41:08 +02:00