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Author SHA1 Message Date
Michael Niedermayer dc0b9b218c avcodec/h264_ps: Forward errors from decode_scaling_list() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-11 02:50:22 +01:00
Michael Niedermayer bac9c03ed9 avcodec/movtextdec: run mov_text_cleanup() before overwriting pointers 
Fixes: memleak
Fixes: 741/clusterfuzz-testcase-586996200452915

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-09 23:28:10 +01:00
Michael Niedermayer e2a4f1a9eb avcodec/mpeg4videodec: Fix runtime error: signed integer overflow: -135088512 * 16 cannot be represented in type 'int' 
Fixes: 736/clusterfuzz-testcase-5580263943831552

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-09 23:28:10 +01:00
Michael Niedermayer 222c9f031d avcodec/h264_mvpred: Fix runtime error: left shift of negative value -1 
Fixes: 734/clusterfuzz-testcase-4821293192970240

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-09 23:28:10 +01:00
Michael Niedermayer 800d02abe0 avcodec/mjpegdec: Fix runtime error: left shift of negative value -127 
Fixes: 733/clusterfuzz-testcase-4682158096515072

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-09 23:28:10 +01:00
Michael Niedermayer 58dd25f8ad avcodec/mpegaudiodec_template: Check for negative e 
Fixes: undefined shift
Fixes: 631/clusterfuzz-testcase-6725491035734016

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-09 20:37:10 +01:00
Michael Niedermayer 3016e919d4 avcodec/wavpack: Fix runtime error: left shift of negative value -5 
Fixes: 729/clusterfuzz-testcase-5154831595470848

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-08 21:15:07 +01:00
Michael Niedermayer 01a33b835f avcodec/pictordec: Fix runtime error: left shift of 64 by 25 places cannot be represented in type 'int' 
Fixes: 724/clusterfuzz-testcase-6738249571631104

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-08 21:15:07 +01:00
Michael Niedermayer 1d0bad421c avutil/tests/lfg: Remove debugging start/stop timer 
Fixes code with qemu ARM

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-08 14:32:00 +01:00
Michael Niedermayer 1afd246960 avcodec/vp8: Check for the bitstream end per MB in decode_mb_row_no_filter() 
Fixes: timeout in 730/clusterfuzz-testcase-5265113739165696 (part 2 of 2)

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: BBB
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-07 21:29:43 +01:00
Michael Niedermayer 55d7371fe0 avcodec/vp568: Check that there is enough data for ff_vp56_init_range_decoder() 
Fixes: timeout in 730/clusterfuzz-testcase-5265113739165696 (part 1 of 2)

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: BBB
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-07 21:29:12 +01:00
Michael Niedermayer 5098a6f627 avcodec/vp8: remove redundant check 
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-07 19:13:19 +01:00
Michael Niedermayer 8aa4f3bb4f avcodec/proresdec2: Do not discard frames with bad slices 
The code previously completely discarded frames that had any error in a slice

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-06 16:47:17 +01:00
Michael Niedermayer 835d9f299c avcodec/x86/cavsdsp: Put MMX code under mmx check 
Without this the FPU state becomes trashed and causes mysterious
fate failures with cpuflags=0

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-06 16:47:17 +01:00
Michael Niedermayer a9f9b7f5c7 avcodec/movtextdec: Call mov_text_cleanup() on close 
Fixes memleak
Fixes: 548/clusterfuzz-testcase-5511470875934720

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-06 16:47:17 +01:00
Michael Niedermayer ba15005132 avcodec/wavpack: Fix runtime error: left shift of negative value -2 
Fixes: 723/clusterfuzz-testcase-6471394663596032

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-05 12:03:15 +01:00
Michael Niedermayer 29638d4db9 avcodec/dcadsp: Fix 2 runtime error: signed integer overflow: -1958094138 - 1078906344 cannot be represented in type 'int' 
Fixes: 722/clusterfuzz-testcase-5711268868521984

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-05 12:01:48 +01:00
Michael Niedermayer d03d386162 avcodec/wavpack: Check bitrate_acc for overflow 
Fixes: undefined behavior in 717/clusterfuzz-testcase-5434924129583104

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-05 12:01:46 +01:00
Michael Niedermayer fab13bbbcd avcodec/mpeg4videodec: Fix runtime error: signed integer overflow: 134527392 * 16 cannot be represented in type 'int' 
This checks the sprite delta intermediates for overflow
Fixes: 716/clusterfuzz-testcase-4890287480504320

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-05 12:01:41 +01:00
Michael Niedermayer d757ddbaab avcodec/mpeg12dec: Fix runtime error: left shift of negative value -13 
Fixes: 709/clusterfuzz-testcase-4789836449841152

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-04 17:48:04 +01:00
Michael Niedermayer ab998f4c7f avcodec/h264_mvpred: Fix multiple runtime error: left shift of negative value 
Fixes: 710/clusterfuzz-testcase-5091051431788544

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-04 17:48:04 +01:00
Michael Niedermayer d23727e042 avcodec/adxdec: Fix runtime error: left shift of negative value -1 
Fixes: 705/clusterfuzz-testcase-5129572590813184

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-04 17:48:04 +01:00
Michael Niedermayer eb41956636 avcodec/mpeg4videodec: Improve the overflow checks in mpeg4_decode_sprite_trajectory() 
Also clear the state on errors

Fixes integer overflows in 701/clusterfuzz-testcase-6594719951880192

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-04 03:05:15 +01:00
Michael Niedermayer 2ce4f28431 avcodec/vp56: Require a correctly decoded frame before using vp56_conceal_mb() 
Fixes timeout with 700/clusterfuzz-testcase-5660909504561152
Fixes timeout with 702/clusterfuzz-testcase-4553541576294400

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-04 03:05:15 +01:00
Michael Niedermayer d8094a303b avcodec/vp3: Do not return random positive values but the buf size 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-03 17:17:53 +01:00
Michael Niedermayer 55196e5d10 Revert "avutil/frame: Disallow zero sized frame side data" 
Found a case where we use size==0, the other related commits
remain needed, and should be sufficient to fix the original issue

This reverts commit 7e4f32f4e4.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-03 01:03:29 +01:00
Michael Niedermayer 6191198c21 avcodec/interplayvideo: Fix timeout from lack of bitstream end check 
Fixes: 697/clusterfuzz-testcase-6111250582863872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-03 01:03:29 +01:00
Michael Niedermayer 3b0b35150d avcodec/mpegaudiodec_template: Fix runtime error: signed integer overflow: 2053224902 + 2053224902 cannot be represented in type 'int' 
Fixes: 696/clusterfuzz-testcase-5853632270434304

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-03 01:03:29 +01:00
Michael Niedermayer 4b72d5cd6f avcodec/mjpegdec: Fix runtime error: left shift of negative value -511 
Fixes: 693/clusterfuzz-testcase-6109776066904064

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-03 01:03:29 +01:00
Michael Niedermayer 4bed066377 avcodec/vp56: Clear dimensions in case of failure in the middle of a resolution change 
Similar code is used elsewhere in vp56 to force a more complete reinit in the future.
Fixes null pointer dereference
Fixes: 707/clusterfuzz-testcase-4717453097566208

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-02 03:16:18 +01:00
Michael Niedermayer f8060ab927 avcodec/wavpack: Check value before shift in wp_exp2() 
Fixes undefined shift, all callers should be changed to check the value
they use with wp_exp2() or its return value.

Fixes: 692/clusterfuzz-testcase-5757381516460032

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-02 03:16:15 +01:00
Michael Niedermayer 12c3e120fe avcodec/ituh263dec: Use 0xffff as error code in h263p_decode_umotion() 
This matches ff_h263_decode_motion() both functions error codes are interpreted by the same common code

Fixes: 690/clusterfuzz-testcase-4744944981901312

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-02 03:16:12 +01:00
Michael Niedermayer 04c99c8042 avcodec/h264idct_template: Fix several runtime error: signed integer overflow 
Fixes: 689/clusterfuzz-testcase-6029352737177600

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-02 03:16:10 +01:00
Michael Niedermayer e46ab99750 avformat/oggdec: fix leak in ogg_restore() 
Fixes: asan_bug_leak

Found-by: Thomas Guilbert <tguilbert@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-02 03:12:26 +01:00
Michael Niedermayer fb6fa48fce avformat/oggdec: Factor free_stream out 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-02 03:12:25 +01:00
Michael Niedermayer 3250d4b39c avformat/oggdec: remove unused parameter of ogg_restore() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-02 03:12:25 +01:00
Michael Niedermayer 7b5ff7d573 avcodec/vp8: Check for bitsteam end in decode_mb_row_no_filter() 
Fixes timeout with 686/clusterfuzz-testcase-5853946876788736

this shortcuts (i.e. speeds up) the error and
return-to-user when decoding a truncated frame

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Previous version reviewed by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-01 14:07:33 +01:00
Michael Niedermayer 4bd3f1ce3e avcodec/h264_direct: Fix runtime error: left shift of negative value -14 
Fixes: 682/clusterfuzz-testcase-4799120021651456

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-01 14:07:33 +01:00
Michael Niedermayer 2c00b37302 avcodec/avpacket: Check metadata key in av_packet_unpack_dictionary() 
Fixes timeout
Fixes: 501/clusterfuzz-testcase-5672752870588416

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-01 14:07:33 +01:00
Michael Niedermayer 7f62368bac MAINTAINERS: Add Rodger Combs to ffmpeg-security 
Rodger Combs will be added to the ffmpeg-security alias when this patch is applied

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-28 01:13:52 +01:00
Michael Niedermayer 4f21868207 MAINTAINERS: add wm4 to ffmpeg-security 
wm4 will be added to the ffmpeg-security alias when this patch is applied

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-28 01:13:52 +01:00
Michael Niedermayer 3d66eb6ec3 MAINTAINERS: Make formating of ffmpeg-security entry the same as others 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-28 01:13:52 +01:00
Michael Niedermayer 4c0139463c avcodec/vp56: Factorize vp56_render_mb() out 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-28 01:13:52 +01:00
Michael Niedermayer 949d2176ef avcodec/dca: Fix multiple runtime error: signed integer overflow 
Fixes: 680/clusterfuzz-testcase-5416627266912256
Fixes: 681/clusterfuzz-testcase-5013323462475776

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-28 01:13:52 +01:00
Michael Niedermayer 63e400a880 avcodec/pictordec: Check plane value before doing value/mask computations 
Fixes integer overflow
Fixes: 675/clusterfuzz-testcase-6722971232108544

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-28 01:13:52 +01:00
Michael Niedermayer 25e93aacc2 avcodec/mpeg4videodec: Fix runtime error: left shift of negative value -2650 
Fixes: 674/clusterfuzz-testcase-6713275880308736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-28 01:13:52 +01:00
Michael Niedermayer 4ea7744859 avcodec/h264idct_template: Fix multiple runtime error: signed integer overflow 
Fixes: 677/clusterfuzz-testcase-6635120628858880

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-28 01:13:52 +01:00
Michael Niedermayer 7e9ba78f6b avcodec/flacdsp: Fix: runtime error: signed integer overflow: -1027555328 + -1226681270 cannot be represented in type 'int' 
Fixes: 673/clusterfuzz-testcase-5948736536576000

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-26 17:16:22 +01:00
Michael Niedermayer 87eb374970 avcodec/eac3dec: Fix runtime error: left shift of negative value -3 
Fixes: 672/clusterfuzz-testcase-5595018867769344

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-26 17:16:22 +01:00
Michael Niedermayer aff8cf18cb avcodec/mpeg12dec: Fix runtime error: left shift of negative value -2 
671/clusterfuzz-testcase-4990381827555328

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-26 17:16:22 +01:00
Michael Niedermayer 0716bcce5b avcodec/ituh263dec: Check for the bitstream end in ff_h263_decode_mb() 
Fixes invalid shift

Fixes: 670/clusterfuzz-testcase-4852021066727424

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-26 17:16:22 +01:00
Michael Niedermayer 7e4f32f4e4 avutil/frame: Disallow zero sized frame side data 
There should be no case that needs this and its a potential for
creating corner cases

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-25 22:02:23 +01:00
Michael Niedermayer 5804201cba avutil/frame: Reimplement av_frame_new_side_data() without size=0 special case 
The size 0 special case causes side data to be created which is
different and a special case if for any reasons size = 0 is passed

Fixes: multiple runtime error: null pointer passed as argument 1, which is declared to never be null
Fixes: 653/clusterfuzz-testcase-5773837415219200

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

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-25 22:02:23 +01:00
Michael Niedermayer 58f3469cc6 avcodec/wavpack: Fix 280:22: runtime error: left shift of negative value -1 
Fixes: 653/clusterfuzz-testcase-5773837415219200
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-25 22:02:23 +01:00
Michael Niedermayer 5eb04570f6 avcodec/wavpack: Check post_shift 
Fixes: runtime error: shift exponent 34 is too large for 32-bit type 'int'

Fixes: 653/clusterfuzz-testcase-5773837415219200

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-25 22:02:23 +01:00
Michael Niedermayer d34bf886e9 avcodec/vp56: Implement very basic error concealment 
This should fix the fate failure due to a truncated last frame.
Alternatively the frame could be dropped.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-25 13:09:50 +01:00
Michael Niedermayer 6bd79ba59f avcodec/amrwbdec: Fix 2 runtime errors: left shift of negative value -1 
Fixes: 669/clusterfuzz-testcase-4847965409640448

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-25 02:20:35 +01:00
Michael Niedermayer 310d2af319 avcodec/pngdec: Fix runtime error: left shift of 152 by 24 places cannot be represented in type 'int' 
Fixes: 666/clusterfuzz-testcase-6581447227867136

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-25 01:43:53 +01:00
Michael Niedermayer 513a349439 avcodec/vp56: Fix sign typo 
Fixes: 664/clusterfuzz-testcase-4917047475568640

The change to fate is due to a truncated last frames which is now detected as damaged.

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-24 22:23:53 +01:00
Michael Niedermayer 5d81616be3 avcodec/mpegaudiodec_template: Correct return code on id3 tag discarding 
Fixes: 665/clusterfuzz-testcase-4863789881098240

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-24 22:23:53 +01:00
Michael Niedermayer c87ea47481 tools/target_dec_fuzzer: Fix misaligned read 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-24 14:12:13 +01:00
Michael Niedermayer 2b8b7921c5 avcodec/vp3dsp: Fix multiple signed integer overflow: 46341 * 47523 cannot be represented in type 'int' 
Fixes: 664/clusterfuzz-testcase-4917047475568640

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-24 14:12:13 +01:00
Michael Niedermayer 8696f25444 avcodec/rv34: Simplify and factor get_slice_offset() code 
This also fixes several integer overflows by checking each value before
use.
Fixes: 662/clusterfuzz-testcase-4898131432964096

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-24 14:12:12 +01:00
Michael Niedermayer 0d85c7bb5a avcodec/ituh263dec: Fix runtime error: left shift of 1342177279 by 1 places cannot be represented in type 'int' 
Fixes: 659/clusterfuzz-testcase-5866673603084288

Huge DMV could be created by an encoder ignoring the spec

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-24 00:38:45 +01:00
Michael Niedermayer e98dfeb27c avcodec/jpeglsdec: check shift for values that cause overflow later 
Fixes: 657/clusterfuzz-testcase-6674741433729024
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-24 00:38:45 +01:00
Michael Niedermayer 76ba09d182 avcodec/mpeg4videodec: Check the other 3 sprite points for intermediate overflows 
This is not necessarily specific to fuzzed files

Fixes: Multiple integer overflows
Fixes: 656/clusterfuzz-testcase-6463814516080640
Fixes: 658/clusterfuzz-testcase-6691260146384896

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-24 00:38:45 +01:00
Michael Niedermayer 9568b2e425 avcodec/h264_ps: Check chroma_qp_index_offset 
Fixes: 647/clusterfuzz-testcase-5195745823031296

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: BBB
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-23 02:37:55 +01:00
Michael Niedermayer ec849f637e avcodec/h264idct_template: Fix several runtime error: signed integer overflow 
Fixes: 652/clusterfuzz-testcase-6174944410992640

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-22 22:29:03 +01:00
Michael Niedermayer 6871df02d9 avcodec/mpeg4videodec: Check sprite_offset in addition to shifts 
Fixes: 651/clusterfuzz-testcase-5710668915277824

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-22 22:29:03 +01:00
Michael Niedermayer 5a8fec1b33 avcodec/mpegaudiodec_template: Fix multiple runtime error: signed integer overflow 
Fixes: 648/clusterfuzz-testcase-5337961317007360

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-22 22:29:03 +01:00
Michael Niedermayer c93a07070a MAINTAINERS: Add ffmpeg-security alias members 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-22 13:44:34 +01:00
Michael Niedermayer c9e3952b82 avcodec/rv34: Forward error from rv34_decode_mv() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-22 02:42:48 +01:00
Michael Niedermayer 6179dc8aa7 avcodec/mpeg4video: Fix runtime error: left shift of negative value 
Fixes: 644/clusterfuzz-testcase-4726434209726464
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-22 02:42:48 +01:00
Michael Niedermayer 92188c8f57 avcodec/dcadsp: Fix runtime error: signed integer overflow: 394625024 * 8 cannot be represented in type 'int' 
Fixes: 643/clusterfuzz-testcase-5209078743695360

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-22 02:42:48 +01:00
Michael Niedermayer 24f6559bd2 avcodec/rv34: Fix runtime error: signed integer overflow: -2 + -2147483648 cannot be represented in type 'int' 
Fixes: 642/clusterfuzz-testcase-558358808074649

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-22 02:42:48 +01:00
Michael Niedermayer 631f748491 avcodec/ituh263dec: Fix runtime error: left shift of negative value -22 
Fixes: 639/clusterfuzz-testcase-5143866241974272

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 19:05:04 +01:00
Michael Niedermayer a59505ca76 avcodec/gsmdec_template: Fix runtime error: signed integer overflow: -22527 * 99113 cannot be represented in type 'int' 
Fixes: 636/clusterfuzz-testcase-6520876646268928
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 19:05:04 +01:00
Michael Niedermayer 0c42d0add3 avcodec/bmp: Fix runtime error: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself 
There is code checking height and width later, leaving an invalid value invalid
is thus fine.

Fixes: 635/clusterfuzz-testcase-6225161437052928
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 19:05:04 +01:00
Michael Niedermayer cbd622be99 avcodec/h264_ps: Check delta scale for validity 
Fixes: signed integer overflow: 5 + 2147483646 cannot be represented in type 'int'
Fixes: 634/clusterfuzz-testcase-5285420445204480

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 15:31:06 +01:00
Michael Niedermayer 28dc6e7291 avcodec/simple_idct: Fix runtime error: left shift of negative value -6395 
Fixes: 633/clusterfuzz-testcase-4553133554401280

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 15:31:06 +01:00
Michael Niedermayer 956472a323 avcodec/rv40: Fix runtime error: left shift of negative value 
Fixes: 630/clusterfuzz-testcase-6608718928019456

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 15:31:06 +01:00
Michael Niedermayer e8a3498f24 avcodec/dca_xll: Fix runtime error: signed integer overflow: -1073741824 * 32768 cannot be represented in type 'int' 
Fixes: 629/clusterfuzz-testcase-6697457381539840

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 00:40:20 +01:00
Michael Niedermayer 0a65dae9d0 avcodec/flacdec: reduce limit for golomb so that the max value does not overflow 
Fixes: runtime error: left shift of 32 by 26 places cannot be represented in type 'int'

Fixes: 628/clusterfuzz-testcase-6187747641393152
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 00:40:20 +01:00
Michael Niedermayer e04108dfa6 avcodec/dca_xll: signed integer overflow: 255251 * 32768 cannot be represented in type 'int' 
Fixes: 627/clusterfuzz-testcase-5020897033322496
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 00:40:20 +01:00
Michael Niedermayer 4614bf2caf Factorize CHECK/SUINT code 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 00:40:20 +01:00
Michael Niedermayer ed69cb83f8 fate/source: Check for cases that could use av_clip_uintp2() and av_clip_intp2() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-21 00:40:20 +01:00
Michael Niedermayer 15ccaa344c avcodec/mpegaudiodec: Eliminate many undefined operations 
Fixes: 625/clusterfuzz-testcase-4574924406521856
Fixes: 626/clusterfuzz-testcase-4738718621499392

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-20 17:14:54 +01:00
Michael Niedermayer 01d196a67d avcodec/pictordec: Do not read more than nb_planes 
Fixes undefined behavior
Fixes: 622/clusterfuzz-testcase-5745722022428672

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-20 17:14:54 +01:00
Michael Niedermayer b7d9b4a1f1 avcodec/ituh263dec: Check cbpy in ff_h263_decode_mb() 
Fixes: 618/clusterfuzz-testcase-6594990333493248

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-20 00:49:44 +01:00
Michael Niedermayer c11d3634b0 avcodec/srtdec: Fix signed integer overflow: 1811992524 * 384 cannot be represented in type 'int' 
Fixes: 617/clusterfuzz-testcase-6413875723370496

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 23:38:46 +01:00
Michael Niedermayer 59e5b05ef6 avcodec/h264_ps: Fix runtime error: signed integer overflow: -1094995528 * 2 cannot be represented in type 'int' 
Fixes: 615/clusterfuzz-testcase-5488002644049920
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 22:55:04 +01:00
Michael Niedermayer 258763ad0e avcodec/h264_cabac: runtime error: signed integer overflow: 2147483647 + 14 cannot be represented in type 'int' 
Fixes: 614/clusterfuzz-testcase-4931860079575040

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 22:41:40 +01:00
Michael Niedermayer aa2b75263e avcodec/mpeg4videodec: Fix runtime error: shift exponent -2 is negative 
Fixes: 612/clusterfuzz-testcase-4707817137111040

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 21:49:03 +01:00
Michael Niedermayer c91bdd4524 avcodec/mjpegdec: Fix runtime error: left shift of negative value -507 
Fixes: 611/clusterfuzz-testcase-5613455820193792

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 21:49:03 +01:00
Michael Niedermayer 067485b673 avcodec/eac3dec: Fix runtime error: left shift of negative value 
Fixes: 610/clusterfuzz-testcase-4831030085156864

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 21:49:03 +01:00
Michael Niedermayer 4279613a26 avcodec/pngdec: Check bit depth for validity 
Fixes: runtime error: shift exponent 132 is too large for 32-bit type 'int'
Fixes: 609/clusterfuzz-testcase-4825202619842560

See 11.2.2 IHDR Image header

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 19:48:57 +01:00
Michael Niedermayer 706757d26d avcodec/mpeg12dec: Fix runtime error: left shift of negative value 
Fixes: 608/clusterfuzz-testcase-603978286392934

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 19:48:57 +01:00
Michael Niedermayer 12eebb845a avcodec/wavpacl: Fix runtime error: left shift of negative value -1 
Fixes: 607/clusterfuzz-testcase-5108792465293312

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 15:58:30 +01:00
Michael Niedermayer 3e1028c625 avcodec/flac: Fix several integer overflows 
Fixes: 686513-media
Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 15:58:30 +01:00
Michael Niedermayer e8d4eacc07 Factor CHECKED out of DEBUG so it can be set seperatly 
Suggested-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-02-19 15:39:36 +01:00