selinux: fix GPF on invalid policy

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commit 5b0e7310a2 upstream.

levdatum->level can be NULL if we encounter an error while loading
the policy during sens_read prior to initializing it.  Make sure
sens_destroy handles that case correctly.

Reported-by: syzbot+6664500f0f18f07a5c0e@syzkaller.appspotmail.com
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Stephen Smalley 2019-01-09 10:55:10 -05:00 • committed by Greg Kroah-Hartman

parent fb298c0654

commit 081aee5c7e

1 changed files with 2 additions and 1 deletions

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security/selinux/ss/policydb.c

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