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add patch from Mark Wielaard to fix use of uninitialized memory in _fcaps_load, rhbz #911878

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This commit is contained in:
Karsten Hopp 2013-05-14 11:54:08 +02:00
parent 84aef22548
commit b86f2aecd7
2 changed files with 28 additions and 1 deletions
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21
libcap-2.22-signed-sizeof-compare.patch Normal file
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@ -0,0 +1,21 @@
diff -up libcap-2.22/libcap/cap_file.c.911878 libcap-2.22/libcap/cap_file.c
--- libcap-2.22/libcap/cap_file.c.911878 2013-05-14 11:45:25.569448468 +0200
+++ libcap-2.22/libcap/cap_file.c 2013-05-14 11:47:04.712036407 +0200
@@ -187,7 +187,7 @@ cap_t cap_get_fd(int fildes)
/* fill the capability sets via a system call */
sizeofcaps = fgetxattr(fildes, XATTR_NAME_CAPS,
&rawvfscap, sizeof(rawvfscap));
- if (sizeofcaps < sizeof(rawvfscap.magic_etc)) {
+ if (sizeofcaps < (int) sizeof(rawvfscap.magic_etc)) {
cap_free(result);
result = NULL;
} else {
@@ -217,7 +217,7 @@ cap_t cap_get_file(const char *filename)
/* fill the capability sets via a system call */
sizeofcaps = getxattr(filename, XATTR_NAME_CAPS,
&rawvfscap, sizeof(rawvfscap));
- if (sizeofcaps < sizeof(rawvfscap.magic_etc)) {
+ if (sizeofcaps < (int) sizeof(rawvfscap.magic_etc)) {
cap_free(result);
result = NULL;
} else {

8
libcap.spec
View File

@ -1,8 +1,9 @@
Name: libcap
Version: 2.22
Release: 3%{?dist}
Release: 4%{?dist}
Summary: Library for getting and setting POSIX.1e capabilities
Source: http://www.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.6/%{name}-%{version}.tar.bz2
Patch0: libcap-2.22-signed-sizeof-compare.patch
URL: http://ftp.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.6/
License: LGPLv2+
@ -30,6 +31,7 @@ libcap.
%prep
%setup -q
%patch0 -p1
%build
# libcap can not be build with _smp_mflags:
@ -76,6 +78,10 @@ chmod +x ${RPM_BUILD_ROOT}/%{_lib}/*.so.*
rm -rf ${RPM_BUILD_ROOT}
%changelog
* Tue May 14 2013 Karsten Hopp <karsten@redhat.com> 2.22-4
- add patch from Mark Wielaard to fix use of uninitialized memory in _fcaps_load
rhbz #911878
* Thu Jul 19 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.22-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild