The size of the 'keysig' array is incremented of one byte in order to make
room for the NULL character.
Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxx>
---
fs/ecryptfs/ecryptfs_kernel.h | 2 +-
fs/ecryptfs/keystore.c | 1 +
2 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index e007534..8282031 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -233,7 +233,7 @@ ecryptfs_get_key_payload_data(struct key *key)
struct ecryptfs_key_sig {
struct list_head crypt_stat_list;
- char keysig[ECRYPTFS_SIG_SIZE_HEX];
+ char keysig[ECRYPTFS_SIG_SIZE_HEX + 1];
};
struct ecryptfs_filename {
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index 4feb78c..36b68a6 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -2425,6 +2425,7 @@ int ecryptfs_add_keysig(struct ecryptfs_crypt_stat *crypt_stat, char *sig)
return -ENOMEM;
}
memcpy(new_key_sig->keysig, sig, ECRYPTFS_SIG_SIZE_HEX);
+ new_key_sig->keysig[ECRYPTFS_SIG_SIZE_HEX] = '\0';
/* Caller must hold keysig_list_mutex */
list_add(&new_key_sig->crypt_stat_list, &crypt_stat->keysig_list);
--
1.7.4
Attachment:
smime.p7s
Description: S/MIME cryptographic signature
