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Remove "001-neon-implementation-of-adler32.patch" because upstreamed
deleted assembler code optimizations:
https://github.com/madler/zlib/commit/d0704a820186481da35d08f4b655881e1d32089f
Remove upstreamed patches:
- 006-fix-CVE-2022-37434.patch
- 007-fix-null-dereference-in-fix-CVE-2022-37434.patch
Refresh patches:
- 002-arm-specific-optimisations-for-inflate.patch
- 003-arm-specific-optimisations-for-inflate.patch
- 004-attach-sourcefiles-in-patch-002-to-buildsystem.patch
Switch to "https github.com" for downloading source files.
Release Announcements:
https://github.com/madler/zlib/releases/tag/v1.2.13
Signed-off-by: Nick Hainke <vincent@systemli.org>
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The curl developers found test case that crashed in their testing when
using zlib patched against CVE-2022-37434, same patch we've backported
in commit 7df6795d4c25 ("zlib: backport fix for heap-based buffer
over-read (CVE-2022-37434)"). So we need to backport following patch in
order to fix issue introduced in that previous CVE-2022-37434 fix.
References: https://github.com/curl/curl/issues/9271
Fixes: 7df6795d4c25 ("zlib: backport fix for heap-based buffer over-read (CVE-2022-37434)")
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow
in inflate in inflate.c via a large gzip header extra field. NOTE: only
applications that call inflateGetHeader are affected. Some common
applications bundle the affected zlib source code but may be unable to
call inflateGetHeader.
Fixes: CVE-2022-37434
References: https://github.com/ivd38/zlib_overflow
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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Fixes following warning:
adler32.c:141:12: warning: implicit declaration of function 'NEON_adler32' [-Wimplicit-function-declaration]
141 | return NEON_adler32(adler, buf, len);
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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List of changes since previous release from 2018 is quite long:
* Fix crc32.c to compile local functions only if used.
* Check for cc masquerading as gcc or clang in configure.
* Remove destructive aspects of make distclean.
* Separate out address sanitizing from warnings in configure.
* Eliminate use of ULL constants.
* Add fallthrough comments for gcc.
* Clean up minizip to reduce warnings for testing.
* Fix unztell64() in minizip to work past 4GB. (Daniël Hörchner)
* minizip warning fix if MAXU32 already defined. (gvollant)
* Replace black/white with allow/block. (theresa-m)
* Fix indentation in minizip's zip.c.
* Improve portability of contrib/minizip.
* Correct typo in blast.c.
* Change macro name in inflate.c to avoid collision in VxWorks.
* Clarify gz* function interfaces, referring to parameter names.
* Fix error in comment on the polynomial representation of a byte.
* Fix memory leak on error in gzlog.c.
* Avoid adding empty gzip member after gzflush with Z_FINISH.
* Explicitly note that the 32-bit check values are 32 bits.
* Use ARM crc32 instructions if the ARM architecture has them.
* Add use of the ARMv8 crc32 instructions when requested.
* Correct comment in crc32.c.
* Don't bother computing check value after successful inflateSync().
* Use atomic test and set, if available, for dynamic CRC tables.
* Speed up software CRC-32 computation by a factor of 1.5 to 3.
* Add crc32_combine_gen() and crc32_combine_op() for fast combines.
* Add tables for crc32_combine(), to speed it up by a factor of 200.
* Fix the zran.c example to work on a multiple-member gzip file.
* Add gznorm.c example, which normalizes gzip files.
* Show all the codes for the maximum tables size in enough.c.
* Clarify that prefix codes are counted in enough.c.
* Use inline function instead of macro for index in enough.c.
* Clean up code style in enough.c, update version.
* Use a macro for the printf format of big_t in enough.c.
* Use a structure to make globals in enough.c evident.
* Assure that the number of bits for deflatePrime() is valid.
* Fix a bug that can crash deflate on some input when using Z_FIXED.
* Correct the initialization requirements for deflateInit2().
* Emphasize the need to continue decompressing gzip members.
* Add legal disclaimer to README.
* Fix deflateEnd() to not report an error at start of raw deflate.
* Remove old assembler code in which bugs have manifested.
* Make the names in functions declarations identical to definitions.
* Avoid an undefined behavior of memcpy() in _tr_stored_block().
* Avoid undefined behaviors of memcpy() in gz*printf().
* Avoid an undefined behavior of memcpy() in gzappend().
* Avoid the use of ptrdiff_t.
* Handle case where inflateSync used when header never processed.
* Don't compute check value for raw inflate if asked to validate.
* Add address checking in clang to -w option of configure.
* Return an error if the gzputs string length can't fit in an int.
* Small speedup to inflate [psumbera].
* Update use of errno for newer Windows CE versions.
* Avoid some conversion warnings in gzread.c and gzwrite.c.
* Have Makefile return non-zero error code on test failure.
* Avoid a conversion error in gzseek when off_t type too small.
* Fix CLEAR_HASH macro to be usable as a single statement.
* Fix bug when window full in deflate_stored().
* Limit hash table inserts after switch from stored deflate.
* Permit a deflateParams() parameter change as soon as possible.
* Cygwin does not have _wopen(), so do not create gzopen_w() there.
Removed 006-fix-compressor-crash-on-certain-inputs.patch which was
hotfix for CVE-2018-25032 and is now included in this release.
This release is not available on @SF (yet?) so the sources are now
pulled from GitHub.
Fixes: CVE-2018-25032
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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Tavis has just reported, that he was recently trying to track down a
reproducible crash in a compressor. Believe it or not, it really was a
bug in zlib-1.2.11 when compressing (not decompressing!) certain inputs.
Tavis has reported it upstream, but it turns out the issue has been
public since 2018, but the patch never made it into a release. As far as
he knows, nobody ever assigned it a CVE.
Suggested-by: Tavis Ormandy <taviso@gmail.com>
References: https://www.openwall.com/lists/oss-security/2022/03/24/1
Signed-off-by: Petr Štetiar <ynezz@true.cz>
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This package had two patches (with two headers etc.) in one file,
which would have quilt merging them during a refresh.
Separate these patches into two files, as the original intent seems
to be having them separate.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
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The buildroot pkg-config (in staging_dir/host/bin) overrides the prefix
and exec_prefix variables in *.pc files, to supply the correct
(buildroot) paths for callers. If other variables are not defined
relative to prefix and exec_prefix, then the returned values will be
incorrect.
The default zlib.pc file generated by cmake contains absolute paths.
This patches the file to use relative paths (relative to ${prefix} and
${exec_prefix}).
Signed-off-by: Jeffery To <jeffery.to@gmail.com>
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This adds two optimizations for ARM:
NEON optimized Adler(-)32 checksum algorithm (ARMv7 and newer NEON CPUs)
ARM(v7+) specific optimization for inflate
I've also connected inflate optimization to the build using the following
source as template.
https://github.com/mirror/chromium/commit/0397489124ce7e6aced020f8b85f5034c7d5f49b#diff-a62ad2db6c83dbc205d34bb9a8884f16
Additional info:
https://codereview.chromium.org/2676493007/
https://codereview.chromium.org/2722063002/
Sources:
https://github.com/madler/zlib/pull/251 (only the first commit)
https://github.com/madler/zlib/pull/256
Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>
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