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Created attachment 1208180 [details] bzip2 archive of input files causing a crash Description of problem: * found by American Fuzzy Lop Version-Release number of selected component (if applicable): libselinux-2.5-6.el7.x86_64 libselinux-debuginfo-2.5-6.el7.x86_64 libselinux-devel-2.5-6.el7.x86_64 libselinux-python-2.5-6.el7.x86_64 libselinux-ruby-2.5-6.el7.x86_64 libselinux-utils-2.5-6.el7.x86_64 libsemanage-2.5-4.el7.x86_64 libsemanage-devel-2.5-4.el7.x86_64 libsemanage-python-2.5-4.el7.x86_64 libsemanage-static-2.5-4.el7.x86_64 libsepol-2.5-6.el7.x86_64 libsepol-debuginfo-2.5-6.el7.x86_64 libsepol-devel-2.5-6.el7.x86_64 libsepol-static-2.5-6.el7.x86_64 policycoreutils-2.5-9.el7.x86_64 policycoreutils-debuginfo-2.5-9.el7.x86_64 policycoreutils-devel-2.5-9.el7.x86_64 policycoreutils-gui-2.5-9.el7.x86_64 policycoreutils-newrole-2.5-9.el7.x86_64 policycoreutils-python-2.5-9.el7.x86_64 policycoreutils-sandbox-2.5-9.el7.x86_64 selinux-policy-3.13.1-102.el7.noarch selinux-policy-devel-3.13.1-102.el7.noarch selinux-policy-doc-3.13.1-102.el7.noarch selinux-policy-minimum-3.13.1-102.el7.noarch selinux-policy-mls-3.13.1-102.el7.noarch selinux-policy-sandbox-3.13.1-102.el7.noarch selinux-policy-targeted-3.13.1-102.el7.noarch How reproducible: * always Steps to Reproduce: # tar jxf crashes.tar.bz2 # ls -l semodule_expand/ total 5532 -rw-------. 1 root root 1888053 Oct 7 17:28 id000000 -rw-------. 1 root root 1888053 Oct 7 17:28 id000001 -rw-------. 1 root root 1888053 Oct 7 17:28 id000002 # semodule_expand semodule_expand/id000000 output Segmentation fault # dmesg | tail -n 1 [25004.756204] semodule_expand[9156]: segfault at 0 ip 00007f6942b39e71 sp 00007ffd8dd13c58 error 4 in libc-2.17.so[7f69429d6000+1b6000] # semodule_expand semodule_expand/id000001 output Segmentation fault # dmesg | tail -n 1 [25049.115354] semodule_expand[9214]: segfault at 7fcc853e9080 ip 00007fcc843953a0 sp 00007ffcfe125e40 error 4 in libsepol.so.1[7fcc84388000+95000] # semodule_expand semodule_expand/id000002 output Segmentation fault # dmesg | tail -n 1 [25057.699634] semodule_expand[9237]: segfault at 0 ip 00007f1e643ba544 sp 00007ffe893283e0 error 4 in libsepol.so.1[7f1e643a9000+95000] # Actual results: * segfaults Expected results: * some error message but no segfault