22875 Commits

Author SHA1 Message Date
Michael Niedermayer
aff56aa499 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
959d2eb7c2 avformat/mov: Check element count in mov_metadata_hmmt()
Fixes: Timeout
Fixes: 30325/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6048395703746560

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 1d277b92fa4c149d589e6828d4e18ad578406f1f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
a4bb9b5aad 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
19312b8372 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
32454c40fa avformat/r3d: Check samples before computing duration
Fixes: signed integer overflow: -4611686024827895807 + -4611686016279904256 cannot be represented in type 'long'
Fixes: 30161/clusterfuzz-testcase-minimized-ffmpeg_dem_R3D_fuzzer-5694406713802752

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 7a2aa5dc2af6c4fc66aaedd341b0886fbc746f0d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
8a88150ffc avformat/wavdec: Consider AV_INPUT_BUFFER_PADDING_SIZE in set_spdif()
The buffer is read by using the bit reader
Fixes: out of array read
Fixes: 27539/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-5650565572591616

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 0a7c648e2d85a59975cc88079975cf9f3306ed0a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
b81c4dd4f9 avformat/rmdec: Check remaining space in debug av_log() loop
Fixes: Timeout (long -> 2 ms)
Fixes: 26709/clusterfuzz-testcase-minimized-ffmpeg_dem_IVR_fuzzer-5665833403285504
Fixes: 27522/clusterfuzz-testcase-minimized-ffmpeg_dem_IVR_fuzzer-6321071221112832

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 a8fe78decd700afec461f06df4ce0d36f3e9cc4b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
73bc98119c avformat/flvdec: Treat high ts byte as unsigned
Fixes: left shift of 255 by 24 places cannot be represented in type 'int'
Fixes: 27516/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5152854660349952

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f514113cfa9fc44d80086bb2a2b783e8026dc3a9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
4e08ecb7a4 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
fc22600d5c 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
6112b1b6e4 avformat/mov: Check for duplicate st3d
Fixes: memleak
Fixes: 29585/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6594188688490496

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 658f0606cba0f866714cbe09af30ec40c4168930)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
ff6a6b9417 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
499970980f 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
f678e8196c 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
a5f1321f81 avformat/asfdec_f: Add an additional check for the extradata size
Fixes: OOM
Fixes: 30066/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_fuzzer-6182309126602752

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 2c8cd4490a6ab2742e6ad1ce059b4f4957b39500)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
81735671c2 avformat/3dostr: Check sample_rate
Fixes: signed integer overflow: -1268324762623155200 * 8 cannot be represented in type 'long'
Fixes: 30123/clusterfuzz-testcase-minimized-ffmpeg_dem_THREEDOSTR_fuzzer-6710765123928064

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 7e5034f97e41d3f8112c1f8da3b5274ab99ef6f8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
8373b3baa0 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
b368f9cc8d avformat/mov: Use av_mul_q() to avoid integer overflows
Fixes: signed integer overflow: 538976288 * 538976288 cannot be represented in type 'int'
Fixes: 27473/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5758978289827840

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 4f70e1ec0cfa8ae24b224faf522c1d6ca95a42f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
9797f8dba3 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>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
1563042dc3 avformat/mvdec: Sanity check SAMPLE_WIDTH
Fixes: signed integer overflow: 999999999 * 8 cannot be represented in type 'int'
Fixes: 30048/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-5864289917337600

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 ab82c105787fa81d1e35b9209f3d53e98be936a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-20 14:21:24 +01:00
Michael Niedermayer
b6b21c9bb0 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>
2021-02-02 14:18:22 +01:00
Michael Niedermayer
9c6a0fa8f1 avformat/wavdec: Check block_align vs. channels before combining them
Fixes: signed integer overflow: 65535 * 65312 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-6606935226974208

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 0af0a80cef0eae709b727896e92b44382c3feca8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:22 +01:00
Michael Niedermayer
a296ecaa71 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>
2021-02-02 14:18:22 +01:00
Michael Niedermayer
d4e071be5c avformat/soxdec: Check channels to be positive
Fixes: signed integer overflow: 32 * -1795162112 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_SOX_fuzzer-6724151473340416

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 b0588b73daeb0e6a0741f39b33943c67eac71619)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:22 +01:00
Michael Niedermayer
bbb5494801 avformat/smacker: Check for too small pts_inc
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_SMACKER_fuzzer-6705429132476416

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 f54aab94a363489edcda492637d6e7409cc5446b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:22 +01:00
Michael Niedermayer
32c6304cf0 avformat/sbgdec: Use av_sat_add64() in str_to_time()
Fixes: signed integer overflow: 7279992792120000000 + 4611686018427387904 cannot be represented in type 'long long'
Fixes: 29744/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-6434060249464832

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5441699f8392bc3442f32137d8128d98a3b7b812)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:22 +01:00
Michael Niedermayer
75285f388f 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>
2021-02-02 14:18:22 +01:00
Michael Niedermayer
868f4ff955 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
5eca6df648 avformat/aiffdec: Check size before subtraction in get_aiff_header()
Fixes: Infinite loop
Fixes: 27235/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-5761398380167168

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 8af299acde9601e64740b75430960503615873b4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
19ec9d0dda avformat/electronicarts: More chunk_size checks
Fixes: Timeout
Fixes: 26909/clusterfuzz-testcase-minimized-ffmpeg_dem_EA_fuzzer-6489496553783296

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 d03f0ec9a1ce9903ae533059d30758bede238e40)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
9e1fede231 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
220eaaf6b6 avformat/nuv: Check channels
Fixes: signed integer overflow: -3468545475927866368 * 4 cannot be represented in type 'long'
Fixes: 28879/clusterfuzz-testcase-minimized-ffmpeg_dem_NUV_fuzzer-6303367307591680

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 fc45d924d7ff6be80e90870540ba35efc290e428)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
50d9e4b48c 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
87c071a7c8 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
55ba3505ed avformat/mvi: Use 64bit for testing dimensions
Fixes: signed integer overflow: 65535 * 65535 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_MVI_fuzzer-6649291124899840

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 48fb752767086a48e599f9e86d87096f66cc7590)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
94a9ec6339 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
293222d8be avformat/mpsubdec: Use av_sat_add/sub64() in fracval handling
Fixes: signed integer overflow: 9223372036850000000 + 9000000 cannot be represented in type 'long long'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_MPSUB_fuzzer-665448017480908

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 463e024363d0ba0254c1f08b348bef02f148bb6a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
146e353d9c 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
d85607f30a 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
bc131525ff 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
4706b4455b 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
cb946af7e2 avformat/flvdec: Use av_sat_add64() for pts computation
Fixes: signed integer overflow: -9223372036854767583 + -65536 cannot be represented in type 'long'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_FLV_fuzzer-6734549467922432

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 7a6666b19de1ee01a8d2f10224a8344e7bc1c074)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
9f0b673194 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
dda0826ab6 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
1c07e0dce3 avformat/ads: Check size
Fixes: signed integer overflow: -2147483616 - 64 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_ADS_fuzzer-6617769344892928

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 c78b2b138ce222de2f4cecac8fd4361f05ee9428)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
a73efe3894 avformat/iff: Check block align also for ID_MAUD
Fixes: Timeout & OOM
Fixes: 28701/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5185094964871168
Fixes: 29116/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-4874284795297792

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 b17ffe8f8f30ba03901bcf7caa6c523e874e8fde)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
6102e7ca96 avformat/fitsdec: Better size checks
Fixes: out of array access
Fixes: 26819/clusterfuzz-testcase-minimized-ffmpeg_dem_FITS_fuzzer-5634559355650048
Fixes: 26820/clusterfuzz-testcase-minimized-ffmpeg_dem_FITS_fuzzer-5760774955597824
Fixes: 27379/clusterfuzz-testcase-minimized-ffmpeg_dem_FITS_fuzzer-5129775942991872.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 14bbb6bb30a6053e82f865c2d69d1a4dd2297fc1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
39006dfef8 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
53fccd5726 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>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
be9ba46370 avformat/dhav: Break out of infinite dhav search loop
Fixes: Infinite loop
Fixes: 26922/clusterfuzz-testcase-minimized-ffmpeg_dem_DHAV_fuzzer-5794549613723648

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 7540d60bf687ae1f18927c5e6c3dbd317df9f35e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00