Bump to fix bug #525494 proc_exec on pax enable kernel

Package-Manager: portage-2.2.17/cvs/Linux x86_64
Manifest-Sign-Key: 0xFD79807F

diff --git a/dev-python/cffi/ChangeLog b/dev-python/cffi/ChangeLog
index 169829aee6ee892ede1371e45cf609dcd7ebe8af..685d92da50fc445761e7d3ecb80071910970470b 100644 (file)
--- a/dev-python/cffi/ChangeLog
+++ b/dev-python/cffi/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog for dev-python/cffi
 # Copyright 1999-2015 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/dev-python/cffi/ChangeLog,v 1.46 2015/02/07 15:35:12 ago Exp $
+# $Header: /var/cvsroot/gentoo-x86/dev-python/cffi/ChangeLog,v 1.47 2015/02/28 23:50:59 zorry Exp $
+
+*cffi-0.8.6-r1 (28 Feb 2015)
+
+  28 Feb 2015; Magnus Granberg <zorry@gentoo.org> +cffi-0.8.6-r1.ebuild,
+  +files/issue177_prot_exec.patch:
+  Add fix for bug #525494 proc_exec on pax enable kernel
 
   07 Feb 2015; Agostino Sarubbo <ago@gentoo.org> cffi-0.8.6.ebuild:
   Stable for ppc, wrt bug #530592

diff --git a/dev-python/cffi/Manifest b/dev-python/cffi/Manifest
index 8ddf439a752a3b7f5d3a5fd6a906b3734e956b6c..b11daf955eb6375f11fd5a5046d5da6ef8321657 100644 (file)
--- a/dev-python/cffi/Manifest
+++ b/dev-python/cffi/Manifest
@@ -1,28 +1,20 @@
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 Hash: SHA256
 
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 DIST cffi-0.8.1.tar.gz 195206 SHA256 1db1eff2093e31eaaa83b274f8c6d5d2dad2908d43a301185d205e5d256d6818 SHA512 bed5cd911a58efd95721d75ff1925e210ccd9b373f8d38cc4a86ddd2b529d757390abf51bbf5b9e583f4ecdc27710560bb6c31679cd8c45d34b3562a91eac136 WHIRLPOOL eb1907e6d603749ad7717d6d211a29a2d47582d6f22bd1ed68f1c455f04b3c9d688161b70bad8653f4027a013c1dafafde7acbe83421677c8aa018400f7af791
 DIST cffi-0.8.2.tar.gz 197622 SHA256 8192393640f7bc304ce82669b35eb90592566a30abbb4924456f52079afc18e2 SHA512 13495601340244944ca5185d450e99f1f8627dbcf013bee5e1f8049572f707cce4284e2a2e1a9b609b9715065d6ffb4b3eb1d8193d6e55277f1cf73b1903a66e WHIRLPOOL ffccf9bc81e697d7de9ba2dbbccda36be9d3b80e02c99d89ee44c3bfbf76397caa48dd80b8ff0e58801af025461e458274fec8f886ec1decf72426038a75e6c0
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diff --git a/dev-python/cffi/cffi-0.8.6-r1.ebuild b/dev-python/cffi/cffi-0.8.6-r1.ebuild
new file mode 100644 (file)
index 0000000..e312790
--- /dev/null
+++ b/dev-python/cffi/cffi-0.8.6-r1.ebuild
@@ -0,0 +1,41 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-python/cffi/cffi-0.8.6-r1.ebuild,v 1.1 2015/02/28 23:50:59 zorry Exp $
+
+EAPI="5"
+PYTHON_COMPAT=( python{2_7,3_3,3_4} pypy )
+
+inherit distutils-r1
+
+DESCRIPTION="Foreign Function Interface for Python calling C code"
+HOMEPAGE="http://cffi.readthedocs.org/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~x86 ~x86-fbsd ~x86-freebsd ~x86-interix ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~x64-solaris"
+IUSE="doc"
+
+RDEPEND="virtual/libffi
+       dev-python/pycparser[${PYTHON_USEDEP}]
+       dev-python/pytest[${PYTHON_USEDEP}]"
+DEPEND="${RDEPEND}"
+
+# Avoid race on _configtest.c (distutils/command/config.py:_gen_temp_sourcefile)
+DISTUTILS_IN_SOURCE_BUILD=1
+
+PATCHES=(
+       "${FILESDIR}/issue177_prot_exec.patch"
+)
+python_compile_all() {
+       use doc && emake -C doc html
+}
+
+python_test() {
+       py.test -x -v --ignore testing/test_zintegration.py c/ testing/ || die "Testing failed with ${EPYTHON}"
+}
+
+python_install_all() {
+       distutils-r1_python_install_all
+       use doc && dohtml -r doc/build/
+}

diff --git a/dev-python/cffi/files/issue177_prot_exec.patch b/dev-python/cffi/files/issue177_prot_exec.patch
new file mode 100644 (file)
index 0000000..8dbcf07
--- /dev/null
+++ b/dev-python/cffi/files/issue177_prot_exec.patch
@@ -0,0 +1,79 @@
+# HG changeset patch
+# User Armin Rigo <arigo@tunes.org>
+# Date 1424942568 -3600
+# Node ID c7edb1e84eb3c29cac0674790cb4efcbcf1683b2
+# Parent  95e0563201602a2e1a8d83cc95a6a70048dfeece
+issue #177: workaround for some Linux kernels
+
+diff --git a/c/malloc_closure.h b/c/malloc_closure.h
+--- a/c/malloc_closure.h
++++ b/c/malloc_closure.h
+@@ -14,6 +14,54 @@
+ # endif
+ #endif
+ 
++/* On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC.
++
++   This is, apparently, an undocumented change to ffi_prep_closure():
++   depending on the Linux kernel we're running on, we must give it a
++   mmap that is either PROT_READ|PROT_WRITE|PROT_EXEC or only
++   PROT_READ|PROT_WRITE.  In the latter case, just trying to obtain a
++   mmap with PROT_READ|PROT_WRITE|PROT_EXEC would kill our process(!),
++   but in that situation libffi is fine with only PROT_READ|PROT_WRITE.
++   There is nothing in the libffi API to know that, though, so we have
++   to guess by parsing /proc/self/status.  "Meh."
++ */
++#ifdef __linux__
++#include <stdlib.h>
++
++static int emutramp_enabled = -1;
++
++static int
++emutramp_enabled_check (void)
++{
++    char *buf = NULL;
++    size_t len = 0;
++    FILE *f;
++    int ret;
++    f = fopen ("/proc/self/status", "r");
++    if (f == NULL)
++        return 0;
++    ret = 0;
++
++    while (getline (&buf, &len, f) != -1)
++        if (!strncmp (buf, "PaX:", 4))
++            {
++                char emutramp;
++                if (sscanf (buf, "%*s %*c%c", &emutramp) == 1)
++                    ret = (emutramp == 'E');
++                break;
++            }
++    free (buf);
++    fclose (f);
++    return ret;
++}
++
++#define is_emutramp_enabled() (emutramp_enabled >= 0 ? emutramp_enabled \
++        : (emutramp_enabled = emutramp_enabled_check ()))
++#else
++#define is_emutramp_enabled() 0
++#endif
++
++
+ /* 'allocate_num_pages' is dynamically adjusted starting from one
+    page.  It grows by a factor of PAGE_ALLOCATION_GROWTH_RATE.  This is
+    meant to handle both the common case of not needing a lot of pages,
+@@ -77,9 +125,12 @@
+     if (item == NULL)
+         return;
+ #else
++    int prot = PROT_READ | PROT_WRITE | PROT_EXEC;
++    if (is_emutramp_enabled ())
++        prot &= ~PROT_EXEC;
+     item = (union mmaped_block *)mmap(NULL,
+                         allocate_num_pages * _pagesize,
+-                        PROT_READ | PROT_WRITE | PROT_EXEC,
++                        prot,
+                         MAP_PRIVATE | MAP_ANONYMOUS,
+                         -1,
+                         0);