Commit graph

39249 commits

Author SHA1 Message Date
Michael Niedermayer
7598b161f4 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
aa30aa8c13 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
c4c56eb839 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
df7d70272e 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
f0c60a91ae 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
26667dc5ba 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
12f0cfede6 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
ada22c1c0f 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
b7b178fd0f 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
c91f199f5d 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
bd1fd3ff4b 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
4cbd92baa3 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
9d3ae90516 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
22b3e924df 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
14cea44018 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
b802baadfd 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
022c8c07f8 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
f4d90a36c5 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
2cb3dff0f9 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
5d1c783bf0 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
909c1aa0ec 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
c437510d5c avcodec/wavpack: Fix integer overflow in wv_unpack_stereo()
Fixes: runtime error: signed integer overflow: 2147483531 + 16384 cannot be represented in type 'int'
Fixes: 6615/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-5165715515506688

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 da038c07f0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
30ec2357c9 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
3b23dd4b91 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
24947b3f7d 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
f31ead3f76 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
be9c4cc0e6 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>
2018-06-18 01:16:04 +02:00
Michael Niedermayer
f93d7a0c0a 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>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
81d8bd6f42 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>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
86c7035646 avcodec/dfa: Check dimension against maximum
The headers from where the dimensions are read in actual files
are limited to 16bit per component.

Fixes: Timeout
Fixes: 6305/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DFA_fuzzer-4824270749302784

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 9d5a4fcfbb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
a6db663a31 avcodec/cinepak: Skip empty frames
Speeds up decoding from 3 to 0.1 seconds for 6302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CINEPAK_fuzzer-5626371985375232
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 9033920bec)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
205e93fa0d avcodec/cinepak: move some checks prior to frame allocation
Speeds up decoding from 8 to 3 seconds for 6302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CINEPAK_fuzzer-5626371985375232
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 2324ef1ff3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
22a4b599f0 avcodec/utils: Enforce minimum width also for VP5/6
Fixes: out of array access
Fixes: poc_0411

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Tested-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 544324827e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
8d05a802dd avcodec/truemotion2: Propagate out of bounds error from GET_TOK()
Fixes: Timeout
Fixes: 6389/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5695918121680896

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 f6304af234)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
78c8e77c86 avcodec/mjpegdec: Check input buffer size.
Fixes: Timeout
Fixes: 6381/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-5665032743419904

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 8d381b57fd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
fffc77b472 avcodec/h264_slice: Fix integer overflow with last_poc
Fixes: signed integer overflow: 2147483646 - -2816 cannot be represented in type 'int'
Fixes: crbug 823145

Reported-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8c02cd8ca0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Matt Wolenetz
ae136f8d64 lavc/libopusdec: Allow avcodec_open2 to call .close
If there is a decoder initialization failure detected in avcodec_open2
after .init is called, allow graceful decoder .close to prevent leaking
libopus decoder allocations.

BUG=828526

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e43e97f0e0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
c44244424f avcodec/movtextdec: Check style_start/end
Limits based on 3GPP TS 26.245 V14.0.0
Fixes: Timeout
Fixes: 6377/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOVTEXT_fuzzer-5175929115508736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 249aca8f98)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
053b9766b4 avcodec/aacsbr_fixed: Fix integer overflow in sbr_hf_assemble()
Fixes: runtime error: signed integer overflow: 2052929346 + 204817098 cannot be represented in type 'int'

This was missed in b1bef755f6
Fixes: 5275/clusterfuzz-testcase-minimized-5367635958038528

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 c837918f50)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
c8f700975e libavcodec/rv34: error out earlier on missing references
Fixes visual corruption on seeking

Fixes: downloadTest_clip_24M.rmvb

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6cd81d68c5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
46db1182da avcodec/aacdec_fixed: Fix integer overflow in apply_independent_coupling_fixed()
I was not able to reproduce this, this fix is based on just the fuzzer log.
Fixes: 4959/clusterfuzz-testcase-minimized-6035350934781952

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 197a4e8fee)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
f4e01b87f2 avcodec/cscd: Error out when LZ* decompression fails
Fixes: Timeout
Fixes: 6304/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CSCD_fuzzer-5754772461191168

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 d52be5d4e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
heimdallr
2c2ab85562 avcodec/imgconvert: Fix loss mask bug in avcodec_find_best_pix_fmt_of_list()
example:

AVPixelFormat pixFmts[] = { AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA };
int loss = 0;
AVPixelFormat best = avcodec_find_best_pix_fmt_of_list(pixFmts, AV_PIX_FMT_BGRA, 1, &loss);

best is AV_PIX_FMT_RGB24. But AV_PIX_FMT_RGBA is better.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 354b26a394)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
51035698bd avcodec/utvideodec: Set pro flag based on fourcc
This avoids mixing 8bit variants with pro and 10bit with non pro mode.
Fixes: out of array read
Fixes: poc_03_30.avi

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 47b7c68ae5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
fdf56c5654 avcodec/wmalosslessdec: Fix null pointer dereference in decode_frame()
Fixes: 2018_03_23_poc.wav
Found-by: GwanYeong Kim <gy741.kim@gmail.com>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ea15915b2d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
2be397e234 avcodec/tableprint_vlc: Fix build failure with --enable-hardcoded-tables
Found-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5c75438b89)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
26fcff1eb4 avcodec/get_bits: Make sure the input bitstream with padding can be addressed
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e529fe7633)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
46ed4d5282 avcodec/nuv: rtjpeg with dimensions less than 16 would result in no decoded pixels thus reject it
Fixes: Timeout
Fixes: 6297/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-4882404863901696

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 939440ad1a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
0312060329 avcodec/nuv: Check for minimum input size for uncomprssed and rtjpeg
Fixes: Timeout
Fixes: 6297/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-4882404863901696

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 8ee3265dbe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00
Michael Niedermayer
8ba8e0a1c7 avcodec/wmalosslessdec: Reset num_saved_bits on error path
Fixes: NULL pointer dereference
Fixes: poc-201803.wav
Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 64c9ce0abc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-18 01:16:03 +02:00