Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b88629060b03adc58639f818fe0968bf5fe81b5d
Commit: b88629060b03adc58639f818fe0968bf5fe81b5d
Parent: ed367fc3a7349b17354c7acef551533337764859
Author: Eric Sandeen <[EMAIL PROTECTED]>
AuthorDate: Sat Dec 22 14:03:24 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Sun Dec 23 12:54:36 2007 -0800
ecryptfs: fix string overflow on long cipher names
Passing a cipher name > 32 chars on mount results in an overflow when the
cipher name is printed, because the last character in the struct
ecryptfs_key_tfm's cipher_name string was never zeroed.
Signed-off-by: Eric Sandeen <[EMAIL PROTECTED]>
Acked-by: Michael Halcrow <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
fs/ecryptfs/crypto.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index bbed2fd..67e8b16 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1847,6 +1847,7 @@ ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm
**key_tfm, char *cipher_name,
mutex_init(&tmp_tfm->key_tfm_mutex);
strncpy(tmp_tfm->cipher_name, cipher_name,
ECRYPTFS_MAX_CIPHER_NAME_SIZE);
+ tmp_tfm->cipher_name[ECRYPTFS_MAX_CIPHER_NAME_SIZE] = '\0';
tmp_tfm->key_size = key_size;
rc = ecryptfs_process_key_cipher(&tmp_tfm->key_tfm,
tmp_tfm->cipher_name,
-
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