Commit graph

22877 commits

Author SHA1 Message Date
Andreas Rheinhardt
6918d1281c avformat/mxfdec: Fix memleak when parsing tag fails
The MXF demuxer uses an array of pointers to different structures of
metadata (all containing a common initial sequence containing a type
field to distinguish them) and some of these structures contain pointers
to separately allocated subelements. If an error happens while reading
and creating the tags, the semi-finished new tag is freed using the
function to free these tags. But this function doesn't free the already
allocated subelements, because the type has not been set yet. This commit
changes this.

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 78f21cab18)
2021-02-22 21:54:57 +01:00
Andreas Rheinhardt
8e7eedf294 avformat/mxfdec: Fix memleak when adding element to array fails
Said array contains pointers to other structs and both the designated
new element as well as other stuff contained in it (e.g. strings) leak
if the new element can't be added to the array.

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 49e78548c3)
2021-02-22 21:54:11 +01:00
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 d558c9f237)
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 1d277b92fa)
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 c425198558)
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 59bb9dc2a6)
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 7a2aa5dc2a)
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 0a7c648e2d)
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 a8fe78decd)
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 f514113cfa)
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 2014b01352)
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 a0ceb0cdd4)
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 658f0606cb)
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 6c64351bb1)
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 25f240fcb3)
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 5552ceaf56)
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 2c8cd4490a)
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 7e5034f97e)
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 842c268c64)
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 4f70e1ec0c)
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 b12e713b80)
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 ab82c10578)
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 3c41d0bfd6)
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 0af0a80cef)
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 fd61b42b4c)
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 b0588b73da)
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 f54aab94a3)
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 5441699f83)
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 d7594ee751)
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 9725d07a17)
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 8af299acde)
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 d03f0ec9a1)
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 b0f8586ca9)
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 fc45d924d7)
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 78d6d8ddb5)
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 0014249fd9)
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 48fb752767)
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 29851cb840)
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 463e024363)
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 cb31667611)
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 2ef522c918)
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 074e204b42)
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 9e3d09f435)
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 7a6666b19d)
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 d82ee907d6)
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 638a151a87)
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 c78b2b138c)
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 b17ffe8f8f)
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 14bbb6bb30)
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 d3d9b1fc8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00