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Diffstat (limited to 'fs/crypto')
-rw-r--r--fs/crypto/bio.c1
-rw-r--r--fs/crypto/fname.c1
-rw-r--r--fs/crypto/fscrypt_private.h1
-rw-r--r--fs/crypto/keyinfo.c8
-rw-r--r--fs/crypto/policy.c1
5 files changed, 11 insertions, 1 deletions
diff --git a/fs/crypto/bio.c b/fs/crypto/bio.c
index 483784d5eb73..0d5e6a569d58 100644
--- a/fs/crypto/bio.c
+++ b/fs/crypto/bio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* This contains encryption functions for per-file encryption.
*
diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index a80a0d317fde..0b94cd2b3222 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* This contains functions for filename crypto management
*
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h
index c0f1881f7c3d..e54e602b473f 100644
--- a/fs/crypto/fscrypt_private.h
+++ b/fs/crypto/fscrypt_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* fscrypt_private.h
*
diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c
index 3c84caca27eb..4486b3eecc27 100644
--- a/fs/crypto/keyinfo.c
+++ b/fs/crypto/keyinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* key management facility for FS encryption support.
*
@@ -94,6 +95,11 @@ static int validate_user_key(struct fscrypt_info *crypt_info,
goto out;
}
ukp = user_key_payload_locked(keyring_key);
+ if (!ukp) {
+ /* key was revoked before we acquired its semaphore */
+ res = -EKEYREVOKED;
+ goto out;
+ }
if (ukp->datalen != sizeof(struct fscrypt_key)) {
res = -EINVAL;
goto out;
@@ -353,7 +359,7 @@ void fscrypt_put_encryption_info(struct inode *inode, struct fscrypt_info *ci)
struct fscrypt_info *prev;
if (ci == NULL)
- ci = ACCESS_ONCE(inode->i_crypt_info);
+ ci = READ_ONCE(inode->i_crypt_info);
if (ci == NULL)
return;
diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index ce07a86200f3..a120649beeca 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Encryption policy functions for per-file encryption support.
*