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Author SHA1 Message Date
Nick Terrell
3c40db8d25 [ossfuzz] Improve the fuzzers 
* Run more decompression variants
* Round trip the compression fuzzer and do partial decompression as well
* Add a compression fuzzer that compresses into a smaller output buffer
  and test the destSize variant

These fuzzers caught 2 bugs that were fixed in the previous commit.
* Input buffer over-read in partial decompress
* Partial decompress fails if output size is 0
 2019-07-15 12:22:04 -07:00
Nick Terrell
725cb0aafd [lz4] Fix bugs in partial decoding 
* Partial decoding could read a few bytes beyond the end of the input
* Partial decoding returned an error with an empty output buffer
 2019-07-15 12:21:59 -07:00
Yann Collet
6654c2cd3b ensure conformance with custom LZ4_DISTANCE_MAX 
It's now possible to select a custom LZ4_DISTANCE_MAX at compile time,
provided it's <= 65535.

However, in some cases (when compressing in byU16 mode),
the new distance wasn't respected,
as it used to implied that it was necessarily within range.

Added a distance check for this case.
Also : added a new TravisCI test which ensures that
custom LZ4_DISTANCE_MAX compiles correctly
and compresses correctly (relying on `assert()` to find outsized offsets).
 2019-07-15 12:11:34 -07:00
Yann Collet
a23541463d
Merge pull request #753 from Hitatm/fix_LZ4_DISTANCE_MAX 
bugfix: correctly control the offset < LZ4_DISTANCE_MAX,when change t…
 2019-07-15 09:08:11 -07:00
Hitatm
8ac954aa71 bugfix: correctly control the offset < LZ4_DISTANCE_MAX,when change the value of LZ4_DISTANCE_MAX, 2019-07-15 22:53:46 +08:00
Yann Collet
f1e8e806e0 keep the "lorem ipsum" topic of the example string 
but make it compressible
 2019-07-11 17:29:16 -07:00
Yann Collet
23bd36918e
Merge pull request #751 from hamidzr/simple-buffer-example-input 
simple buffer example minor input update. fixes #750
 2019-07-11 17:26:15 -07:00
Hamid Zare
771a7192d6 print the compression ratio 2019-07-11 14:39:29 -07:00
Hamid Zare
658ab8fca1 changed the input text to something more compression friendly 2019-07-11 14:35:51 -07:00
Yann Collet
eb6b599a50
Merge pull request #749 from sylvestre/patch-1 
Remove an useless declaration
 2019-07-04 13:03:08 -07:00
Sylvestre Ledru
12e5841e76
Remove an useless declaration 2019-07-04 18:13:36 +02:00
Yann Collet
68d045e0b2
Merge pull request #746 from lz4/circleci 
CircleCI : reduced test duration
 2019-07-03 16:16:52 -07:00
Yann Collet
3d68e32b73
Merge pull request #743 from lz4/fuzzasan_fixed 
updated frametest
 2019-07-03 16:16:19 -07:00
Yann Collet
fb52a10ced
Merge pull request #748 from amchoukir/amchoukir-doublebuffer-doc 
Update blockStreaming_doubleBuffer.md
 2019-07-03 16:13:44 -07:00
Amine Choukir
0e6ff83d09
Update blockStreaming_doubleBuffer.md 2019-07-03 11:50:38 +02:00
Yann Collet
4765da5ac4
Merge pull request #745 from lz4/bump_192 
bumped version number to v1.9.2
 2019-07-01 11:52:08 -07:00
Yann Collet
9ea2835eaa CircleCI : reduced test duration 
Ideally, we want to make CircleCI a "fast" test environment, with short feedback loop (~5mn).
We are still far from this goal.

This patch starts this process by removing "long" tasks which are non-essential and redundant with travisCI.

It also acknowledges that parallelism is broken.
The script should be more heavily updated to support parallelism,
which might be important to support its goal.
 2019-07-01 10:55:54 -07:00
Yann Collet
bb5c34a875 bumped version number to v1.9.2 
to reduce risks that future bug reports in `dev` branch report `v1.9.1` as the failing version.
 2019-07-01 09:01:43 -07:00
Yann Collet
2cacdd2142 fix minor cppcheck warnings 2019-06-30 15:36:32 -07:00
Yann Collet
89e96e55ff updated frametest 
so that noisy src decompression
doesn't generate output
nor fails when decompression fails (which is expected).
 2019-06-30 14:57:12 -07:00
Yann Collet
81dba1946e Merge branch 'fuzzasan' into fuzzasan_fixed 2019-06-30 14:01:08 -07:00
Yann Collet
4e87942529 frametest: added LZ4F decoder noise test 2019-06-30 13:59:49 -07:00
Yann Collet
9dc5981368
Merge pull request #739 from cmeister2/cmeister2/ossfuzz 
oss-fuzz: Add a fuzzing target that compiles in the oss-fuzz environment
 2019-06-30 13:05:15 -07:00
Max Dymond
f3ec519f59
Remove unnecessary call to Makefile.inc 2019-06-30 20:16:03 +01:00
Yann Collet
40bd6164bb
Merge pull request #741 from lzutao/meson-deprecated-warn 
meson: Fix deprecated warnings on build options
 2019-06-30 11:33:38 -07:00
Yann Collet
bccbdb47be
Merge pull request #742 from lz4/fuzzasan_fixed 
New fuzzer test for #738
 2019-06-30 09:41:56 -07:00
Lzu Tao
84f98dd316 meson: Rename options in travis config 2019-06-29 20:54:39 +07:00
Yann Collet
1ccca52f53 Merge branch 'dev' into fuzzasan_fixed 2019-06-28 21:03:07 -07:00
Yann Collet
3b917ef6e6 travisCI: added ASAN fuzzer tests 
and fixed minor formatting warnings
 2019-06-28 20:55:47 -07:00
Yann Collet
567b4e098b moved noisy-src decoder test into cBuffer_exact 
so that it can also catch any potential read out-of-bound in the input buffer
(none reported so far, just a precaution for the future).
 2019-06-28 20:23:12 -07:00
Yann Collet
62f59d562b fuzzer: added test to catch #738 2019-06-28 20:15:43 -07:00
Lzu Tao
ff27a1572b meson: Always build gen_manual on build machine 
As gen_manual is using as a generator, not a binary target
installed on host machine.
 2019-06-29 10:11:32 +07:00
Lzu Tao
4c60f25c65 meson: Fix deprecated warnings on build options 
Meson now reserves `build_` prefix options.
 2019-06-29 10:10:05 +07:00
Yann Collet
8b97fcda60
Merge pull request #740 from terrelln/fix2 
Fix out-of-bounds read
 2019-06-28 19:22:54 -07:00
Max Dymond
e2a33f12e1
More markups for style changes 2019-06-29 00:23:06 +01:00
Max Dymond
02b5b3c242
Move to using C rather than C++ for compilation 2019-06-28 23:48:33 +01:00
Nick Terrell
e72d442300 Fix out-of-bounds read of up to 64 KB in the past 2019-06-28 14:58:35 -07:00
Max Dymond
60d71dc20c
Write a simple decompress target as well 2019-06-28 22:43:04 +01:00
Max Dymond
88a7cfd728
Code review markups: 
- Correct use of CPPFLAGS
- Detect allocation failure
- Add a CHECK macro for failure
 2019-06-28 20:54:46 +01:00
Max Dymond
a5cf079d4d
Add a fuzzing target that compiles in the oss-fuzz environment 2019-06-28 08:30:02 +01:00
Yann Collet
9a2a9f2d0f
Merge pull request #735 from lz4/versionOut 
fix #734 : --version should output to stdout
 2019-06-25 10:32:19 -07:00
Yann Collet
baf9b0e043 fix #734 : --version should output to stdout 
instead of stderr
 2019-06-24 16:08:30 -07:00
Yann Collet
798301b4e1 update simple_buffer example 
there were a few tiny inaccuracies, especially in error conditions.
 2019-06-06 14:17:44 -07:00
Yann Collet
1d759576b9 precise again that LZ4 decoder needs metadata 
and that such metadata must be provided / sent / saved by the application.
 2019-06-06 13:20:30 -07:00
Yann Collet
3a3639e32d
Merge pull request #727 from ephiepark/dev 
CircleCI : use custom Docker Image with pre-installed dependencies
 2019-06-05 14:34:28 -07:00
Ephraim Park
f7b52ecbba circleci : use custom docker image with pre-installed dependencies 2019-06-05 13:12:51 -07:00
Yann Collet
348e107d99 restored FORCE_INLINE 2019-06-04 14:04:49 -07:00
Yann Collet
d82a22b3f1
Merge pull request #718 from lz4/fullbench 
fullbench: added test scenario LZ4F_decompress_followHint
 2019-05-31 15:18:12 -07:00
Yann Collet
33a04fb8bd fullbench: ensure decompressionFunction and dName are initialized 
Visual Studio seems to miss that they are necessarily initialized in the switch() { case: }
 2019-05-31 13:25:12 -07:00
Yann Collet
280fc0856d
Merge pull request #717 from lz4/inplace 
Added documentation and macro to support in-place compression and decompression
 2019-05-31 12:59:38 -07:00