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Author SHA1 Message Date
Nick TerrellandGitHub 54ad33448c Merge pull request #1737 from terrelln/legacy-fix 
[legacy] Fix buffer overflow in v0.2 and v0.4 raw literals decompression
 2019-08-21 10:10:24 -07:00
Nick TerrellandGitHub 188311dd4a Merge pull request #1736 from terrelln/fuzz-fix 
[fuzz] Improve fuzzer build script and docs
 2019-08-21 10:09:38 -07:00
Yann ColletandGitHub 69c875a0cc Merge pull request #1724 from facebook/blockSize 
clarifications on field `Block_Size`
 2019-08-21 05:19:43 -07:00
Yann ColletandGitHub 38b6428fcd Merge pull request #1725 from emaste/dev 
remove extraneous doubled ;s
 2019-08-21 05:19:30 -07:00
Yann ColletandGitHub fe0877c664 Merge pull request #1721 from facebook/seq127 
fixed very minor inefficiency (nbSeq==127)
 2019-08-21 05:19:12 -07:00
Nick Terrell 07f22d465d [legacy] Fix buffer overflow in v0.2 and v0.4 raw literals decompression 
Extends the fix in PR#1722 to v0.2 and v0.4. These aren't built into
zstd by default, and v0.5 onward are not affected.

I only add the `srcSize > BLOCKSIZE` check to v0.4 because the comments
say that it must hold, but the equivalent comment isn't present in v0.2.

Credit to OSS-Fuzz.
 2019-08-20 17:13:04 -07:00
Nick Terrell 3982935aef [fuzz] Improve fuzzer build script and docs 
* Remove the `make libFuzzer` target since it is broken and obsoleted
  by `CC=clang CXX=clang++ ./fuzz.py build all --enable-fuzzer`. The
  new `-fsanitize=fuzzer` is much better because it works with MSAN
  by default.
* Improve the `./fuzz.py gen` command by making the input type explicit
  when creating a new target.
* Update the `README` for `--enable-fuzzer`.

Fixes #1727.
 2019-08-20 16:44:50 -07:00
Yann Collet 97bb38635c number instead of nb 
suggested by @terrelln
 2019-08-17 08:04:42 +02:00
Yann Collet 1e07eb4d5c clarifications on the meaning of field Block_Size 
following comments from Intel's Smita Kumar.
 2019-08-16 15:15:25 +02:00
Ed Maste b81d7cc6a0 remove extraneous doubled ;s 2019-08-15 21:17:06 -04:00
Felix HandteandGitHub c9072ee674 Merge pull request #1722 from felixhandte/legacy-decompression-fix 
Fix Buffer Overflow in Legacy (v0.3) Raw Literals Decompression
 2019-08-15 15:55:46 -04:00
W. Felix Handte d6f31e1c38 Add to CHANGELOG for Upcoming Release 2019-08-15 14:42:38 -04:00
W. Felix Handte a42bbb4e05 Fix Buffer Overflow in Legacy (v0.3) Raw Literals Decompression 2019-08-15 14:28:30 -04:00
Yann Collet 782bfb858a fixed very minor inefficiency (nbSeq==127) 
The nbSeq "short" format (1-byte)
is compatible with any value < 128.

However, the code would cautiously only accept values < 127.
This is not an error, because the general 2-bytes format
is compatible with small values < 128.
Hence the inefficiency never triggered any warning.

Spotted by Intel's Smita Kumar.
 2019-08-15 16:41:34 +02:00
Felix HandteandGitHub 87e31223e8 Merge pull request #1711 from felixhandte/changelog-v1.4.3 
Update Changelog for v1.4.3
 2019-08-06 17:02:37 -04:00
W. Felix Handte 6b68980173 Update Changelog for v1.4.3 2019-08-06 17:01:46 -04:00
Yann Collet 01b2331ad1 bumped version number 
to v1.4.3
 2019-08-05 17:17:16 +02:00
Yann ColletandGitHub 61936ba42a Merge pull request #1705 from josepho0918/dev 
Add support for IAR C/C++ Compiler for Arm
 2019-08-05 15:57:28 +02:00
Yann ColletandGitHub 26351071bc Merge pull request #1706 from LeeYoung624/dev 
add NULL pointer check in util.c
 2019-08-05 15:56:50 +02:00
Yann ColletandGitHub b2e71faaa8 Merge pull request #1709 from facebook/fix1624 
Fix compression ratio inefficiency
 2019-08-05 15:54:59 +02:00
Yann Collet facbe8b2c2 factored the logic selecting lowest match index 
as suggested by @terrelln
 2019-08-05 15:18:43 +02:00
Yann Collet 0b0b83e8f3 fix test 122 
it's an unsupported scenario.
 2019-08-03 16:51:26 +02:00
Yann Collet efe8496755 minor test refactoring 
just for clarity, for the currently failing unit test
 2019-08-02 19:31:19 +02:00
Yann Collet 387e20d4f0 fixed minor conversion warning in datagen 2019-08-02 18:02:54 +02:00
Yann Collet 37f47e51a8 fixed datagen 
to produce same content on both 32 and 64-bit platforms
by removing floating from literal table determination.

also : added checksum trace in compression control test,
so that it's easier to determine if test fails
as a consequence of compressing a different sample.
 2019-08-02 17:34:53 +02:00
Yann Collet d1927f0b39 regenerate sample to compress 
to reduce chances of differences between 32 and 64-bit fuzzer tests
 2019-08-02 15:31:00 +02:00
Yann Collet 98e7c344cd fixed strategies btopt+ 2019-08-02 14:42:53 +02:00
Yann Collet b4257b04e7 fixed strategy btlazy2 2019-08-02 14:26:26 +02:00
Yann Collet 5cf1b24aca fixed strategies greedy, lazy & lazy2 
restore dictionary compression ratio
 2019-08-02 14:21:39 +02:00
Yann Collet 2115292616 minor : fixed ptr arithmetic 
invalid on void ptr
 2019-08-01 17:12:26 +02:00
Yann Collet 810a9cac08 added efficiency test 
to detect gross CR variations after a patch.

Tests normal and dictionary compression.
 2019-08-01 16:59:22 +02:00
Yann Collet 98692c2838 fixed compression ratio regression when dictionary-compressing medium-size inputs at levels 1-3 2019-08-01 15:58:17 +02:00
Yann ColletandGitHub c25df8ba3f Merge pull request #1707 from felixhandte/travis-versions-test 
Run `versionsTest` in CI
 2019-07-31 13:43:00 +02:00
W. Felix Handte 904734e484 Run versionsTest in CI 2019-07-30 20:11:25 -04:00
LeeYoung624 c5caaf52a4 bug fix : NULL pointer 2019-07-29 17:05:50 +08:00
Joseph Chen 3855bc4295 Add support for IAR C/C++ Compiler for Arm 2019-07-29 15:25:58 +08:00
Felix HandteandGitHub d95ac34202 Merge pull request #1701 from LeeYoung624/dev 
memory leak fix
 2019-07-25 11:56:37 -04:00
LeeYoung624 793b94b354 memory leak fix 2019-07-25 21:07:57 +08:00
Felix HandteandGitHub 2314906b68 Merge pull request #1699 from felixhandte/seekable-gitignore 
Add New Seekable Compression Example to .gitignore
 2019-07-24 19:07:55 -04:00
Yann Collet 1f16245e9e updated man page 2019-07-24 16:04:37 -07:00
Yann ColletandGitHub 96a24e1699 Merge pull request #1698 from felixhandte/bump-version-to-1.4.2 
Bump Library Version Number to 1.4.2
 2019-07-24 16:03:01 -07:00
Yann ColletandGitHub 0d38ee3c30 Merge pull request #1690 from piguin/dev 
fix compiling errors with clang-8
 2019-07-24 15:37:05 -07:00
Yann ColletandGitHub ff8b18a0bb Merge pull request #1697 from Tyler-Tran/dev 
Adding documentation for --shrink flag
 2019-07-24 15:35:11 -07:00
W. Felix Handte 15da57820d Add New Seekable Compression Example to .gitignore 2019-07-24 18:22:20 -04:00
W. Felix Handte 9cb9b1c9a5 Update Manual 2019-07-24 18:21:11 -04:00
W. Felix Handte 25824cc185 Update CHANGELOG 2019-07-24 17:35:52 -04:00
W. Felix Handte 8083581f9a Bump Library Version Number to 1.4.2 2019-07-24 17:35:19 -04:00
Tyler Tran 5a61e66f7b previous commit did not undo all changes 2019-07-24 13:53:50 -07:00
Tyler Tran 12d60a9bd9 removing changes to zstd.1 2019-07-24 13:52:34 -07:00
Tyler Tran f8c1d7979c modifying minor nit 2019-07-22 16:36:44 -07:00