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James Carter 3aa292620c libsepol/cil: Check if identifier is NULL when verifying name 
Nicolas Iooss found while fuzzing secilc with AFL that the statement
"(class C (()))" will cause a segfault.

When CIL checks the syntax of the class statement it sees "(())" as a
valid permission list, but since "()" is not an identifier a NULL is
passed as the string for name verification. A segfault occurs because
name verification assumes that the string being checked is non-NULL.

Check if identifier is NULL when verifying name.

Signed-off-by: James Carter <jwcart2@tycho.nsa.gov>
 		2016-10-19 10:07:51 -04:00
checkpolicy Update VERSION and ChangeLog files for 2.6 final release. 2016-10-14 11:31:26 -04:00
libselinux Updated libselinux and libsepol ChangeLogs 2016-10-18 14:03:21 -04:00
libsemanage Updated libsemanage ChangeLog 2016-10-14 13:41:04 -04:00
libsepol libsepol/cil: Check if identifier is NULL when verifying name 2016-10-19 10:07:51 -04:00
policycoreutils Update VERSION and ChangeLog files for 2.6 final release. 2016-10-14 11:31:26 -04:00
scripts scripts/release: cleanups 2016-10-14 11:47:29 -04:00
secilc Update VERSION and ChangeLog files for 2.6 final release. 2016-10-14 11:31:26 -04:00
sepolgen Update VERSION and ChangeLog files for 2.6 final release. 2016-10-14 11:31:26 -04:00
.gitignore global: gitignore: add a couple of more editor backup filetypes 2013-02-01 12:14:57 -05:00
CleanSpec.mk Add empty top level Android.mk / CleanSpec.mk files 2015-04-16 07:54:09 -04:00
Makefile Makefile: make distclean target work 2016-09-29 10:48:14 -04:00
README Add redhat-rpm-config as a build dependency on Fedora. 2016-05-04 15:54:27 -04:00

README 

Please submit all bug reports and patches to selinux@tycho.nsa.gov.
Subscribe via selinux-join@tycho.nsa.gov.

Build dependencies on Fedora:
yum install audit-libs-devel bison bzip2-devel dbus-devel dbus-glib-devel flex flex-devel flex-static glib2-devel libcap-devel libcap-ng-devel pam-devel pcre-devel python-devel setools-devel swig ustr-devel xmlto redhat-rpm-config

To build and install everything under a private directory, run:
make DESTDIR=~/obj install install-pywrap

To install as the default system libraries and binaries
(overwriting any previously installed ones - dangerous!),
on x86_64, run:
make LIBDIR=/usr/lib64 SHLIBDIR=/lib64 install install-pywrap relabel
or on x86 (32-bit), run:
make install install-pywrap relabel

This may render your system unusable if the upstream SELinux userspace
lacks library functions or other dependencies relied upon by your
distribution.  If it breaks, you get to keep both pieces.