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18369 Commits

Author SHA1 Message Date
Michael Niedermayer
dbe314da36 avformat/mpc8: Check for position overflow in mpc8_handle_chunk() 
Fixes: signed integer overflow: 15 + 9223372036854775796 cannot be represented in type 'long'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6723520756318208
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6739833034768384

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 8ef25d118246bf443900033fb3588dba628d11b0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
aac9aa0130 avformat/dxa: Check fps to be within the supported range more precissely 
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); cast to an unsigned type to negate this value to itself
Fixes: assertion failure
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-6744985740378112

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 6ea494befcb5d944ce8275e6f59de1a24c25ffb6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
5023d4e66b avformat/tta: Check for EOF in index reading loop 
Fixes: OOM
Fixes: 33585/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-4564665830080512

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 b72d657b73b2aa4a2a2f72f613199e6080ad48c0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
a995a24c1d avformat/rpl: The associative law doesnt hold for signed integers in C 
Add () to avoid undefined behavior
Fixes: signed integer overflow: 9223372036854775790 + 57 cannot be represented in type 'long'
Fixes: 34983/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5765822923538432

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 480f11bdd713c15e4964093be7ef0adf5b619cc1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
291ebdfc72 avformat/rpl: Check for EOF and zero framesize 
Fixes: Infinite loop
Fixes: 34751/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5439330800762880
Fixes: 34774/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5851571660390400

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 a0a4a527c3b0819368d9b148542bb7663f39df79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
6a69e7a2cb avformat/cinedec: Fix index_entries size check 
Fixes: out of array access
Fixes: 29868/clusterfuzz-testcase-minimized-ffmpeg_dem_CINE_fuzzer-5692001957445632

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
f9e58ec834 avformat/id3v2: Check end for overflow in id3v2_parse() 
Fixes: signed integer overflow: 9223372036840103978 + 67637280 cannot be represented in type 'long'
Fixes: 33341/clusterfuzz-testcase-minimized-ffmpeg_dem_DSF_fuzzer-6408154041679872

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 efdb56450418933965dc6e27f0b1625d25e44a8c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
e8f5968d4f avformat/wtvdec: Improve size overflow checks in parse_chunks() 
Fixes: signed integer overflow: 32 + 2147483647 cannot be represented in type 'int
Fixes: 32967/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5132856218222592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f8ec1da8ac8e3daf2403e744f166ea9557b2d333)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
718c64f03b avformat/mov: Ignore multiple STSC / STCO 
Fixes: STSC / STCO inconsistency and assertion failure
Fixes: crbug1184666.mp4

Found-by: Chromium ASAN fuzzer
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2611d20d353026f996cb9aaced8b35db37f490d4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
59ec9f802f avformat/utils: Extend overflow check in dts wrap in compute_pkt_fields() 
Fixes: signed integer overflow: -9223372032574480351 - 4294967296 cannot be represented in type 'long long'
Fixes: 30022/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5568610275819520

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 b37ff29e0e093b15585e9fb44bbd82bdf14b5230)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
b7af5a77dd avformat/wtvdec: Check size in SBE2_STREAM_DESC_EVENT / stream2_guid 
Fixes: signed integer overflow: 539033600 - -1910497124 cannot be represented in type 'int'
Fixes: 30928/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5922630966312960

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 1f74661543c0c336e88846f90608fda7bd12deac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
1b117fb91d avformat/cafdec: Do not build an index if all packets are the same 
Fixes: Timeout
Fixes: 28214/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6495999421579264

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 ea12590c8ecc1e3c4c7732e5adced21fb5feffa6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
fc191eeafe avformat/flvdec: Check array entry number 
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 30209/clusterfuzz-testcase-minimized-ffmpeg_dem_FLV_fuzzer-5724831658147840

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 b5d8fe1c874947ca67ee8117b18f8052f0e590fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
3ca8acfe2d avformat/movenc: Avoid loosing cluster array on failure 
Fixes: crash
Fixes: check_pkt.mp4

Found-by: Rafael Dutra <rafael.dutra@cispa.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5c2ff44f915d6ceeea36a2f99e534562764218dd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
1414037c8c avformat/avidec: Check for dv streams before using priv_data in parse ##dc/##wb 
Fixes: null pointer dereference
Fixes: 31588/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-6165716135968768

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f733688d30021587c3f3a1b280d6ece8b04f26ff)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
c09a3b10cd avformat/mvi: Check audio size for more overflows 
Fixes: left shift of negative value -352256000
Fixes: 30837/clusterfuzz-testcase-minimized-ffmpeg_dem_MVI_fuzzer-5755626262888448

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 403b35e16e16a8c4a13e531ccdc23598f685ca20)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
9f720b6471 avformat/flvdec: Check double before cast in parse_keyframes_index() 
Fixes: -2.21166e+304 is outside the range of representable values of type 'long'
Fixes: 29169/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5725452796821504

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 09e5e406c7b9d7c1ee97ebae1476a2f68e6a90d1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
4f1415bf8b avformat/paf: Check for EOF before allocation in read_header() 
Fixes: OOM
Fixes: 26584/clusterfuzz-testcase-minimized-ffmpeg_dem_PAF_fuzzer-5172661183053824

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 bcb1e9d3b9b97359e01e5978067c8ee558efa8b4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
7c937067b5 avformat/aiffdec: Check that SSND is at least 8 bytes 
Fixes: Infinite loop
Fixes: 30874/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-5933710488764416

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 460d3dc41f57a6dcefbd72db6e2e368fee05340b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
f5ed37fd0b avformat/mov: Extend data_size check in mov_read_udta_string() 
Fixes: signed integer overflow: -2147483634 - 16 cannot be represented in type 'int'
Fixes: 28322/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5711888402612224

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 74c4c539538e36d8df02de2484b045010d292f2c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
897c1c990a avformat/microdvddec: use 64bit for durations 
Fixes: signed integer overflow: 7 - -2147483647 cannot be represented in type 'int'
Fixes: 28036/clusterfuzz-testcase-minimized-ffmpeg_dem_MICRODVD_fuzzer-5171698751766528

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 f569ac4ce0514bf4e0dd768c5ed007c82548d326)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
4f1d285001 avformat/rmdec: Check codec_length without overflow 
Fixes: signed integer overflow: 2147483647 + 64 cannot be represented in type 'int'
Fixes: 30333/clusterfuzz-testcase-minimized-ffmpeg_dem_RM_fuzzer-5175286983426048

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 d558c9f2375fd2136d20422cb1119cfbf872abeb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
b58bdcc2a1 avformat/nutdec: Check timebase count against main header length 
Fixes: Timeout (long -> 3ms)
Fixes: 28514/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6078669009321984
Fixes: 30095/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-5074433016463360

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 c425198558826795d94af45eeb9d94e4436c9a0f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
ee2e0040b8 avformat/electronicarts: Clear partial_packet on error 
Fixes: Infinite loop
Fixes: 30165/clusterfuzz-testcase-minimized-ffmpeg_dem_EA_fuzzer-6224642371092480

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 59bb9dc2a670cbe5d659585392b6d79f7bb6d40f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
3067d50620 avformat/samidec: Sanity check pts 
Fixes: signed integer overflow: 0 - -9223372036854775808 cannot be represented in type 'long'
Fixes: 29743/clusterfuzz-testcase-minimized-ffmpeg_dem_SAMI_fuzzer-5499256859394048

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 2014b0135293c41d261757bfa1aaba51653bab8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
4518df7937 avformat/avidec: Use 64bit in get_duration() 
Fixes: signed integer overflow: 2147483424 + 8224 cannot be represented in type 'int'
Fixes: 29619/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-5191424373030912

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 a0ceb0cdd41b56241697cd8f83e22cdb4822d2d9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
ab5341768c avformat/mvdec: Check for EOF in read_index() 
Fixes: Timeout
Fixes: 29550/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-5094307193290752

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 6c64351bb1f4dc148069a37754b746fcd4c784cf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
20522834b0 avformat/id3v2: Check the return from avio_get_str() 
Fixes: out of array access
Fixes: 29446/clusterfuzz-testcase-minimized-ffmpeg_dem_AAC_fuzzer-5096222622875648

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 25f240fcb398eb499ca4b70c026a8bb9f2a32731)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
480a9a4b1d avformat/wtvdec: Check len in parse_chunks() to avoid overflow 
Fixes: signed integer overflow: 2147483647 + 7 cannot be represented in type 'int'
Fixes: 30084/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-6192261941559296

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5552ceaf568915e668679f9581e07eb5507cafc4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
1eb919aa6f avformat/4xm: Make audio_frame_count 64bit 
Fixes: signed integer overflow: 2099257366 * 2 cannot be represented in type 'int'
Fixes: 27486/clusterfuzz-testcase-minimized-ffmpeg_dem_FOURXM_fuzzer-5112179134824448

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 842c268c6436c9e90e689402be138c2e539f7059)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
b61436f918 avformat/rmdec: Reorder operations to avoid overflow 
Fixes: signed integer overflow: -2147483648 - 14 cannot be represented in type 'int'
Fixes: 27659/clusterfuzz-testcase-minimized-ffmpeg_dem_RM_fuzzer-5697250168406016

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 b12e713b8061cc6a71ec69da946552bc593d5fa7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
d75428c9b7 avformat/rmdec: Fix codecdata_length overflow check 
Fixes: signed integer overflow: 2147483647 + 64 cannot be represented in type 'int'
Fixes: 28509/clusterfuzz-testcase-minimized-ffmpeg_dem_IVR_fuzzer-6310969680723968

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 3c41d0bfd6041890b394a3e6eb2f8da92b83416b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
9df52e5e46 avformat/tta: Use 64bit intermediate for index 
Fixes: signed integer overflow: 42032 * 51092 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-6679539648430080

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 fd61b42b4c8709a7888fa5c9cce0c19d754e39fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
8d7c7fc253 avformat/wavdec: Check avio_get_str16le() for failure 
Fixes: out of array access
Fixes: 29195/clusterfuzz-testcase-minimized-ffmpeg_dem_W64_fuzzer-5037853281222656

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 d7594ee751e621f6c7ef4d4977c4a3ce169ae0af)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
4ccca39927 avformat/flvdec: Check for EOF in amf_skip_tag() 
Fixes: Timeout
Fixes: 29070/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5650106766458880

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 9725d07a1770fbfafe5f7b3f7d95a2a513308538)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
32d3a76d93 avformat/tedcaptionsdec: Check for overflow in parse_int() 
Fixes: signed integer overflow: 1111111111111111111 * 10 cannot be represented in type 'long'
Fixes: 26892/clusterfuzz-testcase-minimized-ffmpeg_dem_TEDCAPTIONS_fuzzer-5756045055754240

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 b0f8586ca9853ab3d324ccd3c42bad4375000b0a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
18775fa63c avformat/mpc8: Check size before implicitly converting to int 
Fixes: Timeout
Fixes: 28551/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6229183210586112

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 78d6d8ddb571ecca54616517defbf894a45ea9c3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
2d03bbcd78 avformat/nutdec: Fix integer overflow in count computation 
Note, the value is checked a few lines later already

Fixes: signed integer overflow: -440402016 - 1879048064 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6603876618469376

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 0014249fd92132515b3ff0ce034dd65e745cb400)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
6fa82a09b9 avformat/utils: Check dts in update_initial_timestamps() more 
Fixes: signed integer overflow: -9223372036853488158 - 90000000 cannot be represented in type 'long long'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_MPSUB_fuzzer-6696625298866176

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 29851cb840c176d514573914799ca6c95f3f4e8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
790ead2326 avformat/flvdec: Check for avio_read() failure in amf_get_string() 
Suggested-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cb316676112c01e8d66420908b6b3d06b3b498e3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
a3f58614c4 avformat/flvdec: Check for nesting depth in amf_skip_tag() 
Fixes: out of array access
Fixes: 29440/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5985279812960256.fuzz

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 2ef522c918d48b9f101548b2cadce02003cb3510)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
01cd33e59f avformat/flvdec: Check for nesting depth in amf_parse_object() 
Fixes: out of array access
Fixes: 29202/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5112845840809984

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 074e204b42acdacc0a055671481e00914524af93)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
e4bae4cb70 avformat/asfdec_o: Check for EOF in asf_read_marker() 
Fixes: Timeout
Fixes: 26460/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-5710884393189376

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 9e3d09f435f83f9653056b2fecc4d03ac45f3ffd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
c9c3db0799 avformat/utils: Check dts - (1<<pts_wrap_bits) overflow 
Fixes: signed integer overflow: -9223372036842389247 - 2147483648 cannot be represented in type 'long long'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_FLV_fuzzer-4845007531671552

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 d82ee907d6caafbc1212c4b63ecac2dcd30f23b0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
bafb1c236d avformat/bfi: Check chunk_header 
Fixes: signed integer overflow: -2147483648 - 3 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_BFI_fuzzer-6665764123836416

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 638a151a877c27a46c15643db26c9ba726feecde)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
432dbb3126 avformat/mxfdec: Fix integer overflow in next position in mxf_read_local_tags() 
Fixes: signed integer overflow: 9223372036854775723 + 8192 cannot be represented in type 'long'
Fixes: 29072/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-4812604904177664

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 d3d9b1fc8e2dfc8b4d66c9916ab7221062ff4660)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
b222d99f4d avformat/avidec: dv does not support palettes 
Fixes: memleak
Fixes: 26937/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-5763003338981376

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 1b373b41d940e3058cdfb3d17703e23ed665353c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
8691447d5d libavformat/utils: consider avio_size() failure in ffio_limit() 
Fixes: Timeout (>20sec -> 3ms)
Fixes: 26918/clusterfuzz-testcase-minimized-ffmpeg_dem_THP_fuzzer-5750425191710720

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 1b1dac2716d713dfd6949b7eb4a3c18c16f1faf6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
98ff613711 avformat/asfdec_o: Check size vs. offset in detect_unknown_subobject() 
Fixes: signed integer overflow: 2314885530818453566 + 7503032301549264928 cannot be represented in type 'long'
Fixes: 26639/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-6024222100684800

Alternatively this could be ignored but then the end condition of the loop
would be hard to reach as avio_tell() is int64_t

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 0bee216ad454dd7238a03dd9a76428cc6c3233cc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
8b8a912211 avformat/utils: check for integer overflow in av_get_frame_filename2() 
Fixes: signed integer overflow: 317316873 * 10 cannot be represented in type 'int'
Fixes: 24708/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5731180885049344

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 03c479ce236955fc329c7f9f4765ee1ec256bb73)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00