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6 Commits

Author SHA1 Message Date
Xin LI
e37bb444aa MFV: zlib 1.2.13. 
Relnotes:	yes
MFC after:	3 days
 2023-02-16 23:57:24 -08:00
Mark Adler
2969066f73 zlib: Fix extra field processing bug that dereferences NULL state->head. 
The recent commit to fix a gzip header extra field processing bug
introduced the new bug fixed here.

(cherry picked from zlib commit 1eb7682f845ac9e9bf9ae35bbfb3bad5dacbd91d)
 2022-08-08 14:19:27 -04:00
Mark Adler
dc3509f1aa zlib: Fix a bug when getting a gzip header extra field with inflate(). 
If the extra field was larger than the space the user provided with
inflateGetHeader(), and if multiple calls of inflate() delivered
the extra header data, then there could be a buffer overflow of the
provided space. This commit assures that provided space is not
exceeded.

(cherry picked from zlib commit eff308af425b67093bab25f80f1ae950166bece1)
 2022-08-04 22:30:20 -04:00
Xin LI
cd8822075a MFV c144cc5479: zlib 1.2.12. 
MFC after:	3 days
Relnotes:	yes
 2022-03-31 07:25:53 -07:00
Xin LI
a15cb219c6 Expose zlib's utility functions in Z_SOLO library when building kernel. 
This allows kernel code to reuse zlib's implementation.

PR:		229763
Reviewed by:	Yoshihiro Ota <ota j email ne jp>
Relnotes:	yes
Differential Revision:	https://reviews.freebsd.org/D21156
 2019-08-07 01:41:17 +00:00
Xin LI
c9083b850a Move contrib/zlib to sys/contrib/zlib so that we can use it in kernel. 
This is a prerequisite of unifying kernel zlib instances.

Submitted by:	Yoshihiro Ota <ota at j.email.ne.jp>
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D20191
 2019-05-08 08:43:15 +00:00