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core: Fix segfault if no selinux-policy package

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In `--unified-core` mode, we would segfault if `selinux: true`
but no policy was found.

I hit this while hacking up the manifest for some Red Hat CoreOS
work.

Closes: #1578
Approved by: jlebon
This commit is contained in:
Colin Walters 2018-09-24 12:37:08 -04:00 committed by Atomic Bot
parent 2e567840ca
commit b2408a466f
1 changed files with 3 additions and 1 deletions
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4
src/libpriv/rpmostree-core.c
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@ -1143,8 +1143,10 @@ commit_has_matching_sepolicy (GVariant *commit,
GError **error)
{
const char *sepolicy_csum_wanted = ostree_sepolicy_get_csum (sepolicy);
g_autofree char *sepolicy_csum = NULL;
if (!sepolicy_csum_wanted)
return glnx_throw (error, "SELinux enabled, but no policy found");
g_autofree char *sepolicy_csum = NULL;
if (!get_commit_sepolicy_csum (commit, &sepolicy_csum, error))
return FALSE;