Description of problem:
* found by American Fuzzy Lop

Version-Release number of selected component (if applicable):
libselinux-2.5-6.el7.x86_64
libselinux-python-2.5-6.el7.x86_64
libselinux-utils-2.5-6.el7.x86_64
libsemanage-2.5-4.el7.x86_64
libsemanage-python-2.5-4.el7.x86_64
libsepol-2.5-6.el7.x86_64
policycoreutils-2.5-8.el7.x86_64
policycoreutils-python-2.5-8.el7.x86_64

How reproducible:
* always

Steps to Reproduce:
# semodule_package -o mypolicy.pp -m crash2 
security: ebitmap: map size 0 does not match my size 64 (high bit was 1)
security: ebitmap: map size 1 does not match my size 64 (high bit was 64)
security: ebitmap: map size 1 does not match my size 64 (high bit was 0)
Segmentation fault
# echo $?
139
# dmesg | tail -n 1
[  316.625311] semodule_packag[4547]: segfault at 7f6d77da91c8 ip 00007f6576d20dd4 sp 00007fffdb1b7780 error 6 in libsepol.so.1[7f6576cf2000+95000]
# 

Actual results:
* segfault

Expected results:
* some error message but no segfault