Handle the case where SID (Security Identifier) being looked up was
not found in the SID-to-Domain mapping table.
Fixes: 66f8e2f03c02 ("selinux: sidtab reverse lookup hash table")
Signed-off-by: Samasth Norway Ananda <samasth.norway.ananda@xxxxxxxxxx>
---
This error was found through static analysis tool and has only been
compile tested.
---
security/selinux/ss/sidtab.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index c8848cbba81f..b1fbdeaa8817 100644
--- a/security/selinux/ss/sidtab.c
+++ b/security/selinux/ss/sidtab.c
@@ -367,6 +367,8 @@ static void sidtab_convert_hashtable(struct sidtab *s, u32 count)
for (i = 0; i < count; i++) {
entry = sidtab_do_lookup(s, i, 0);
+ if (!entry)
+ continue;
entry->sid = index_to_sid(i);
entry->hash = context_compute_hash(&entry->context);
--
2.45.2
