From: Sagi Grimberg <sagi@grimberg.me>
Date: Sun, 13 Nov 2022 13:24:15 +0200
Subject: nvme-auth: clear sensitive info right after authentication completes
Patch-mainline: v6.2-rc1
Git-commit: 8d1c1904e94757b78c28fbbef9285e4101d86ee9
References: bsc#1202633
We don't want to keep authentication sensitive info in memory for unlimited
amount of time.
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
drivers/nvme/host/auth.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/nvme/host/auth.c
+++ b/drivers/nvme/host/auth.c
@@ -912,6 +912,8 @@ int nvme_auth_wait(struct nvme_ctrl *ctr
mutex_unlock(&ctrl->dhchap_auth_mutex);
flush_work(&chap->auth_work);
ret = chap->error;
+ /* clear sensitive info */
+ nvme_auth_reset_dhchap(chap);
return ret;
}
mutex_unlock(&ctrl->dhchap_auth_mutex);