Help coverity with CID1500302 Uninitialized scalar variable
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4824156fa0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
The checked entity should be alone on one side of the check, this avoids
complex considerations of overflows.
This fixes a issue of bad style in our code and a coverity issue.
Fixes: CID1439654 Untrusted pointer read
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 385784a148)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1550133 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4bca147415)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1591439 Uninitialized pointer read
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 935d9a5712)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1520677 Uninitialized pointer read
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 462bd44b03)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Found-while-revieweing: CID1520670 Dereference after null check
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 97b2ab15de)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: 67492/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5778297231310848
Fixes: signed integer overflow: 2314885530818453536 + 7782220156096217088 cannot be represented in type 'long'
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 2882d30e3a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1591932 Ignoring number of bytes read
Sponsored-by: Sovereign Tech Fund
Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 34fd247c3b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: signed integer overflow: 1107820800 + 1107820800 cannot be represented in type 'int'
Fixes: left shift of 1091059712 by 6 places cannot be represented in type 'int'
Fixes: 69910/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VVC_fuzzer-5162839971528704
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Nuo Mi <nuomi2021@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6398242bb2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ca4ff242d8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: signed integer overflow: -140140 * 16525 cannot be represented in type 'int'
Fixes: 68859/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-4516387130245120
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 c221c7422f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: left shift of negative value -3245
Fixes: 69047/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-6571511551950848
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 9e6c5b6e86)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: out of array access
Fixes: 68927/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TARGA_fuzzer-5105665067515904
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 4a7220bd5c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: signed integer overflow: 281612954574848 * 65344 cannot be represented in type 'long'
Fixes: 68956/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_R210_fuzzer-6459074458746880
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 d34d4b6a7c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: signed integer overflow: 105788 * -20995 cannot be represented in type 'int'
Fixes: signed integer overflow: 923211729 + 2073948236 cannot be represented in type 'int'
Fixes: signed integer overflow: 1281179284 + 2073948236 cannot be represented in type 'int'
Fixes: 68975/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PRORES_fuzzer-6266769177116672
Fixes: 68997/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PRORES_KS_fuzzer-6284237161431040
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 228f255b5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: out of array read
Fixes: 69673/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-5476592894148608
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 3a9292aff3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1592939 Dereference after null check
Sponsored-by: Sovereign Tech Fund
Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4cab028bd0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This or fifo needs to be freed on errors explicitly
Fixes: memleak
Fixes: 68937/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBVPX_VP8_fuzzer-4830831016214528
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Zern <jzern@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2b2ced61eb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 97ecfb5a19)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
The 2 links are the clearest i found.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 959cb2e2e3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1500312 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 034054b370)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Maybe Closes: CID1452496 Uninitialized scalar variable
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 019fce18bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1453457 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0263b6a48c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This changes the behavior and makes it behave how it probably was intended.
Either way this is unlikely to result in any user visible change
Fixes: CID1494637 Missing break in switch
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5712f36dd0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1494636 Missing break in switch
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7d04c6016b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This also makes the code more robust
Fixes: CID1512414 Uninitialized pointer read
Sponsored-by: Sovereign Tech Fund
Reviewed-by: Pierre-Anthony Lemieux <pal@sandflow.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f10493f6fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Alot more input checking can be performed, this is only checking the obvious missing case
Fixes: CID1598562 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 78d6d13bab)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
issue found while reviewing CID1452612 Free of array-typed value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d9b9fc4be2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Found by reviewing code related to CID1500301 String not null terminated
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5b82852519)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1594529 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dce69ba89e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Yes the same dead code is in "iLBC Speech Coder ANSI-C Source Code"
Fixes: CID1509370 Logically dead code
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8a64a003b5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1598563 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9b76e49061)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1598556 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4ac7405aaf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
If its not replaced we would have a negative index used in an array potentially
Helps: CID1440385 Negative array index read
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6106177ad6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
It seems nothing prevents such overflow even though odd
Fixes: CID1441934 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 160b81ce2a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1500300 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 19db9636c5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1500284 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 161d0aa2a8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1441459 Improper use of negative value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d741638042)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Helps: CID1548380 Uninitialized scalar variable
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e5098589b0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1465481 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6f976db251)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This might not be needed for correctness but it could
help general reproducability of issues
Related to: CID1560037 Uninitialized scalar variable
Related to: CID1560044 Uninitialized scalar variable
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2e5433dc12)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Found while reviewing: CID1500309 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 12391b732f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This issue cannot happen with the current function parameters
Fixes: CID1500309 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 847a53f264)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1460758 Operands don't affect result
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 348c3a7ffe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Related: CID1473496 Unchecked return value
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 00d029d5c0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Fixes: CID1500342 Unintentional integer overflow
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 70b4994762)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Michael Niedermayer