diff options
| author | Chaitanya Kulkarni <kch@nvidia.com> | 2023-04-28 10:31:13 +0300 |
|---|---|---|
| committer | Keith Busch <kbusch@kernel.org> | 2023-06-12 20:33:02 +0300 |
| commit | 99c2dcc8ffc24e210a3aa05c204d92f3ef460b05 (patch) | |
| tree | 474000d671f2cee7f7af163910e61ee59e9f8536 /drivers/nvme | |
| parent | a836ca33c5b07d34dd5347af9f64d25651d12674 (diff) | |
| download | linux-99c2dcc8ffc24e210a3aa05c204d92f3ef460b05.tar.xz | |
nvme-core: fix memory leak in dhchap_ctrl_secret
Free dhchap_secret in nvme_ctrl_dhchap_ctrl_secret_store() before we
return when nvme_auth_generate_key() returns error.
Fixes: f50fff73d620 ("nvme: implement In-Band authentication")
Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index a529fddbf972..49800d6ffd81 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3882,8 +3882,10 @@ static ssize_t nvme_ctrl_dhchap_ctrl_secret_store(struct device *dev, int ret; ret = nvme_auth_generate_key(dhchap_secret, &key); - if (ret) + if (ret) { + kfree(dhchap_secret); return ret; + } kfree(opts->dhchap_ctrl_secret); opts->dhchap_ctrl_secret = dhchap_secret; ctrl_key = ctrl->ctrl_key; @@ -3891,7 +3893,8 @@ static ssize_t nvme_ctrl_dhchap_ctrl_secret_store(struct device *dev, ctrl->ctrl_key = key; mutex_unlock(&ctrl->dhchap_auth_mutex); nvme_auth_free_key(ctrl_key); - } + } else + kfree(dhchap_secret); /* Start re-authentication */ dev_info(ctrl->device, "re-authenticating controller\n"); queue_work(nvme_wq, &ctrl->dhchap_auth_work); |