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-rw-r--r--security/selinux/ss/ebitmap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index 894b6cdc11c5..7d10e5d418bb 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -374,6 +374,9 @@ int ebitmap_read(struct ebitmap *e, void *fp)
goto ok;
}
+ if (e->highbit && !count)
+ goto bad;
+
for (i = 0; i < count; i++) {
rc = next_entry(&startbit, fp, sizeof(u32));
if (rc < 0) {