diff options
-rw-r--r-- | sys-cluster/ceph/ChangeLog | 6 | ||||
-rw-r--r-- | sys-cluster/ceph/ceph-0.87.1.ebuild | 3 | ||||
-rw-r--r-- | sys-cluster/ceph/files/ceph-0.87.1-glibc-2.20.patch | 59 |
3 files changed, 66 insertions, 2 deletions
diff --git a/sys-cluster/ceph/ChangeLog b/sys-cluster/ceph/ChangeLog index 79678c34611e..2a5848fc6d2f 100644 --- a/sys-cluster/ceph/ChangeLog +++ b/sys-cluster/ceph/ChangeLog @@ -1,6 +1,10 @@ # ChangeLog for sys-cluster/ceph # Copyright 1999-2015 Gentoo Foundation; Distributed under the GPL v2 -# $Header: /var/cvsroot/gentoo-x86/sys-cluster/ceph/ChangeLog,v 1.66 2015/03/03 09:10:33 dlan Exp $ +# $Header: /var/cvsroot/gentoo-x86/sys-cluster/ceph/ChangeLog,v 1.67 2015/03/05 21:24:30 dlan Exp $ + + 05 Mar 2015; Yixun Lan <dlan@gentoo.org> ceph-0.87.1.ebuild, + +files/ceph-0.87.1-glibc-2.20.patch: + fix segfault if using =glibc-2.20, bug 529076 *ceph-0.93 (03 Mar 2015) *ceph-0.87.1 (03 Mar 2015) diff --git a/sys-cluster/ceph/ceph-0.87.1.ebuild b/sys-cluster/ceph/ceph-0.87.1.ebuild index 679748965b36..d496d0e2ff4a 100644 --- a/sys-cluster/ceph/ceph-0.87.1.ebuild +++ b/sys-cluster/ceph/ceph-0.87.1.ebuild @@ -1,6 +1,6 @@ # Copyright 1999-2015 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 -# $Header: /var/cvsroot/gentoo-x86/sys-cluster/ceph/ceph-0.87.1.ebuild,v 1.1 2015/03/03 09:10:33 dlan Exp $ +# $Header: /var/cvsroot/gentoo-x86/sys-cluster/ceph/ceph-0.87.1.ebuild,v 1.2 2015/03/05 21:24:30 dlan Exp $ EAPI=5 PYTHON_COMPAT=( python{2_6,2_7} ) @@ -74,6 +74,7 @@ REQUIRED_USE=" STRIP_MASK="/usr/lib*/rados-classes/*" PATCHES=( + "${FILESDIR}"/${PN}-0.87.1-glibc-2.20.patch "${FILESDIR}"/${PN}-0.79-libzfs.patch ) diff --git a/sys-cluster/ceph/files/ceph-0.87.1-glibc-2.20.patch b/sys-cluster/ceph/files/ceph-0.87.1-glibc-2.20.patch new file mode 100644 index 000000000000..55a49d72f687 --- /dev/null +++ b/sys-cluster/ceph/files/ceph-0.87.1-glibc-2.20.patch @@ -0,0 +1,59 @@ +From cf2104d4d991361c53f6e2fea93b69de10cd654b Mon Sep 17 00:00:00 2001 +From: Federico Simoncelli <fsimonce@redhat.com> +Date: Sat, 15 Nov 2014 14:14:04 +0000 +Subject: [PATCH] common: do not unlock rwlock on destruction + +According to pthread_rwlock_unlock(3p): + + Results are undefined if the read-write lock rwlock is not held + by the calling thread. + +and: + + https://sourceware.org/bugzilla/show_bug.cgi?id=17561 + + Calling pthread_rwlock_unlock on an rwlock which is not locked + is undefined. + +calling pthread_rwlock_unlock on RWLock destruction could cause +an unknown behavior for two reasons: + +- the lock is acquired by another thread (undefined) +- the lock is not acquired (undefined) + +Moreover since glibc-2.20 calling pthread_rwlock_unlock on a +rwlock that is not locked results in a SIGILL that kills the +application. + +This patch removes the pthread_rwlock_unlock call on destruction +and replaces it with an assertion to check that the RWLock is +not in use. + +Any code that relied on the implicit release is now going to +break the assertion, e.g.: + + { + RWLock l; + l.get(for_write); + } // implicit release, wrong. + +Signed-off-by: Federico Simoncelli <fsimonce@redhat.com> +--- + src/common/RWLock.h | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/src/common/RWLock.h b/src/common/RWLock.h +index e647e17..6f0ab8e 100644 +--- a/src/common/RWLock.h ++++ b/src/common/RWLock.h +@@ -46,7 +46,9 @@ class RWLock + return (nwlock.read() > 0); + } + virtual ~RWLock() { +- pthread_rwlock_unlock(&L); ++ // The following check is racy but we are about to destroy ++ // the object and we assume that there are no other users. ++ assert(!is_locked()); + pthread_rwlock_destroy(&L); + } + |