diff options
Diffstat (limited to 'drivers/md/dm-crypt.c')
| -rw-r--r-- | drivers/md/dm-crypt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index cf663105668..a601a427885 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -690,6 +690,8 @@ bad3: bad2: crypto_free_tfm(tfm); bad1: + /* Must zero key material before freeing */ + memset(cc, 0, sizeof(*cc) + cc->key_size * sizeof(u8)); kfree(cc); return -EINVAL; } @@ -706,6 +708,9 @@ static void crypt_dtr(struct dm_target *ti) cc->iv_gen_ops->dtr(cc); crypto_free_tfm(cc->tfm); dm_put_device(ti, cc->dev); + + /* Must zero key material before freeing */ + memset(cc, 0, sizeof(*cc) + cc->key_size * sizeof(u8)); kfree(cc); } |