Don't blow up on EL7 kernel (random generator) (rhbz#1410175)
This commit is contained in:
Miro Hrončok
parent
e79e900d64
commit
6bb1189ded
171
00250-getentropy.patch
Normal file
171
00250-getentropy.patch
Normal file
@ -0,0 +1,171 @@
|
||||
diff -r ee1390c9b585 Python/random.c
|
||||
--- a/Python/random.c Wed Jan 04 12:02:30 2017 +0100
|
||||
+++ b/Python/random.c Wed Jan 04 18:32:21 2017 +0100
|
||||
@@ -77,45 +77,8 @@ win32_urandom(unsigned char *buffer, Py_
|
||||
return 0;
|
||||
}
|
||||
|
||||
-/* Issue #25003: Don't use getentropy() on Solaris (available since
|
||||
- * Solaris 11.3), it is blocking whereas os.urandom() should not block. */
|
||||
-#elif defined(HAVE_GETENTROPY) && !defined(sun)
|
||||
-#define PY_GETENTROPY 1
|
||||
-
|
||||
-/* Fill buffer with size pseudo-random bytes generated by getentropy().
|
||||
- Return 0 on success, or raise an exception and return -1 on error.
|
||||
-
|
||||
- If raise is zero, don't raise an exception on error. */
|
||||
-static int
|
||||
-py_getentropy(char *buffer, Py_ssize_t size, int raise)
|
||||
-{
|
||||
- while (size > 0) {
|
||||
- Py_ssize_t len = Py_MIN(size, 256);
|
||||
- int res;
|
||||
+#else /* !MS_WINDOWS */
|
||||
|
||||
- if (raise) {
|
||||
- Py_BEGIN_ALLOW_THREADS
|
||||
- res = getentropy(buffer, len);
|
||||
- Py_END_ALLOW_THREADS
|
||||
- }
|
||||
- else {
|
||||
- res = getentropy(buffer, len);
|
||||
- }
|
||||
-
|
||||
- if (res < 0) {
|
||||
- if (raise) {
|
||||
- PyErr_SetFromErrno(PyExc_OSError);
|
||||
- }
|
||||
- return -1;
|
||||
- }
|
||||
-
|
||||
- buffer += len;
|
||||
- size -= len;
|
||||
- }
|
||||
- return 0;
|
||||
-}
|
||||
-
|
||||
-#else
|
||||
|
||||
#if defined(HAVE_GETRANDOM) || defined(HAVE_GETRANDOM_SYSCALL)
|
||||
#define PY_GETRANDOM 1
|
||||
@@ -217,6 +180,59 @@ py_getrandom(void *buffer, Py_ssize_t si
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
+
|
||||
+/* Issue #25003: Don't use getentropy() on Solaris (available since
|
||||
+ * Solaris 11.3), it is blocking whereas os.urandom() should not block. */
|
||||
+#elif defined(HAVE_GETENTROPY) && !defined(sun)
|
||||
+#define PY_GETENTROPY 1
|
||||
+
|
||||
+/* Fill buffer with size pseudo-random bytes generated by getentropy().
|
||||
+ Return 1 on success, or raise an exception and return -1 on error.
|
||||
+
|
||||
+ If raise is zero, don't raise an exception on error. */
|
||||
+static int
|
||||
+py_getentropy(char *buffer, Py_ssize_t size, int raise)
|
||||
+{
|
||||
+ /* Is getentropy() supported by the running kernel? Set to 0 if
|
||||
+ getentropy() failed with ENOSYS. */
|
||||
+ static int getentropy_works = 1;
|
||||
+
|
||||
+ if (!getentropy_works) {
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
+ while (size > 0) {
|
||||
+ Py_ssize_t len = Py_MIN(size, 256);
|
||||
+ int res;
|
||||
+
|
||||
+ if (raise) {
|
||||
+ Py_BEGIN_ALLOW_THREADS
|
||||
+ res = getentropy(buffer, len);
|
||||
+ Py_END_ALLOW_THREADS
|
||||
+ }
|
||||
+ else {
|
||||
+ res = getentropy(buffer, len);
|
||||
+ }
|
||||
+
|
||||
+ if (res < 0) {
|
||||
+ /* ENOSYS: the inner syscall is not supported by the running
|
||||
+ kernel. */
|
||||
+ if (errno == ENOSYS) {
|
||||
+ getentropy_works = 0;
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
+ if (raise) {
|
||||
+ PyErr_SetFromErrno(PyExc_OSError);
|
||||
+ }
|
||||
+ return -1;
|
||||
+ }
|
||||
+
|
||||
+ buffer += len;
|
||||
+ size -= len;
|
||||
+ }
|
||||
+ return 1;
|
||||
+}
|
||||
#endif
|
||||
|
||||
static struct {
|
||||
@@ -236,7 +252,7 @@ dev_urandom(char *buffer, Py_ssize_t siz
|
||||
{
|
||||
int fd;
|
||||
Py_ssize_t n;
|
||||
-#ifdef PY_GETRANDOM
|
||||
+#if defined(PY_GETRANDOM) || defined(PY_GETENTROPY)
|
||||
int res;
|
||||
#endif
|
||||
|
||||
@@ -244,17 +260,20 @@ dev_urandom(char *buffer, Py_ssize_t siz
|
||||
|
||||
#ifdef PY_GETRANDOM
|
||||
res = py_getrandom(buffer, size, blocking, raise);
|
||||
+#elif defined(PY_GETENTROPY)
|
||||
+ res = py_getentropy(buffer, size, raise);
|
||||
+#endif
|
||||
+#if defined(PY_GETRANDOM) || defined(PY_GETENTROPY)
|
||||
if (res < 0) {
|
||||
return -1;
|
||||
}
|
||||
if (res == 1) {
|
||||
return 0;
|
||||
}
|
||||
- /* getrandom() failed with ENOSYS or EPERM,
|
||||
- fall back on reading /dev/urandom */
|
||||
+ /* function failed with ENOSYS or EPERM, fall back on reading
|
||||
+ from /dev/urandom */
|
||||
#endif
|
||||
|
||||
-
|
||||
if (raise) {
|
||||
struct _Py_stat_struct st;
|
||||
|
||||
@@ -349,8 +368,8 @@ dev_urandom_close(void)
|
||||
urandom_cache.fd = -1;
|
||||
}
|
||||
}
|
||||
+#endif /* !MS_WINDOWS */
|
||||
|
||||
-#endif
|
||||
|
||||
/* Fill buffer with pseudo-random bytes generated by a linear congruent
|
||||
generator (LCG):
|
||||
@@ -395,8 +414,6 @@ pyurandom(void *buffer, Py_ssize_t size,
|
||||
|
||||
#ifdef MS_WINDOWS
|
||||
return win32_urandom((unsigned char *)buffer, size, raise);
|
||||
-#elif defined(PY_GETENTROPY)
|
||||
- return py_getentropy(buffer, size, raise);
|
||||
#else
|
||||
return dev_urandom(buffer, size, blocking, raise);
|
||||
#endif
|
||||
@@ -491,8 +508,6 @@ void
|
||||
CryptReleaseContext(hCryptProv, 0);
|
||||
hCryptProv = 0;
|
||||
}
|
||||
-#elif defined(PY_GETENTROPY)
|
||||
- /* nothing to clean */
|
||||
#else
|
||||
dev_urandom_close();
|
||||
#endif
|
||||
12
python3.spec
12
python3.spec
@ -124,7 +124,7 @@
|
||||
Summary: Version 3 of the Python programming language aka Python 3000
|
||||
Name: python3
|
||||
Version: %{pybasever}.0
|
||||
Release: 1%{?dist}
|
||||
Release: 3%{?dist}
|
||||
License: Python
|
||||
Group: Development/Languages
|
||||
|
||||
@ -402,6 +402,12 @@ Patch243: 00243-fix-mips64-triplet.patch
|
||||
# Not yet fixed upstream: http://bugs.python.org/issue28787
|
||||
Patch249: 00249-fix-out-of-tree-dtrace-builds.patch
|
||||
|
||||
# 00250 #
|
||||
# After glibc-2.24.90, Python 3 failed to start on EL7 kernel
|
||||
# rhbz#1410175: https://bugzilla.redhat.com/show_bug.cgi?id=1410175
|
||||
# http://bugs.python.org/issue29157
|
||||
Patch250: 00250-getentropy.patch
|
||||
|
||||
# (New patches go here ^^^)
|
||||
#
|
||||
# When adding new patches to "python" and "python3" in Fedora, EL, etc.,
|
||||
@ -639,6 +645,7 @@ sed -r -i s/'_PIP_VERSION = "[0-9.]+"'/'_PIP_VERSION = "%{pip_version}"'/ Lib/en
|
||||
%patch206 -p1
|
||||
%patch243 -p1
|
||||
%patch249 -p1
|
||||
%patch250 -p1
|
||||
|
||||
# Currently (2010-01-15), http://docs.python.org/library is for 2.6, and there
|
||||
# are many differences between 2.6 and the Python 3 library.
|
||||
@ -1557,6 +1564,9 @@ rm -fr %{buildroot}
|
||||
# ======================================================
|
||||
|
||||
%changelog
|
||||
* Thu Jan 05 2017 Miro Hrončok <mhroncok@redhat.com> - 3.6.0-2
|
||||
- Don't blow up on EL7 kernel (random generator) (rhbz#1410175)
|
||||
|
||||
* Tue Dec 27 2016 Charalampos Stratakis <cstratak@redhat.com> - 3.6.0-1
|
||||
- Update to Python 3.6.0 final
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user