diff options
| author | Ondrej Mosnacek <omosnace@redhat.com> | 2019-07-25 12:52:43 +0200 |
|---|---|---|
| committer | Paul Moore <paul@paul-moore.com> | 2019-07-31 22:51:23 +0200 |
| commit | 45385237f65aeee73641f1ef737d7273905a233f (patch) | |
| tree | 65811d436422e22f71de033f255bf732fb19024b /security | |
| parent | selinux: check sidtab limit before adding a new entry (diff) | |
| download | linux-45385237f65aeee73641f1ef737d7273905a233f.tar.xz linux-45385237f65aeee73641f1ef737d7273905a233f.zip | |
selinux: fix memory leak in policydb_init()
Since roles_init() adds some entries to the role hash table, we need to
destroy also its keys/values on error, otherwise we get a memory leak in
the error path.
Cc: <stable@vger.kernel.org>
Reported-by: syzbot+fee3a14d4cdf92646287@syzkaller.appspotmail.com
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/selinux/ss/policydb.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index daecdfb15a9c..38d0083204f1 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -274,6 +274,8 @@ static int rangetr_cmp(struct hashtab *h, const void *k1, const void *k2) return v; } +static int (*destroy_f[SYM_NUM]) (void *key, void *datum, void *datap); + /* * Initialize a policy database structure. */ @@ -321,8 +323,10 @@ static int policydb_init(struct policydb *p) out: hashtab_destroy(p->filename_trans); hashtab_destroy(p->range_tr); - for (i = 0; i < SYM_NUM; i++) + for (i = 0; i < SYM_NUM; i++) { + hashtab_map(p->symtab[i].table, destroy_f[i], NULL); hashtab_destroy(p->symtab[i].table); + } return rc; } |