The patch titled
ecryptfs: fix string overflow on long cipher names
has been added to the -mm tree. Its filename is
ecryptfs-fix-string-overflow-on-long-cipher-names.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ecryptfs: fix string overflow on long cipher names
From: Eric Sandeen <sandeen@xxxxxxxxxx>
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 <sandeen@xxxxxxxxxx>
Acked-by: Michael Halcrow <mhalcrow@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ecryptfs/crypto.c | 1 +
1 file changed, 1 insertion(+)
diff -puN fs/ecryptfs/crypto.c~ecryptfs-fix-string-overflow-on-long-cipher-names fs/ecryptfs/crypto.c
--- a/fs/ecryptfs/crypto.c~ecryptfs-fix-string-overflow-on-long-cipher-names
+++ a/fs/ecryptfs/crypto.c
@@ -1847,6 +1847,7 @@ ecryptfs_add_new_key_tfm(struct ecryptfs
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,
_
Patches currently in -mm which might be from sandeen@xxxxxxxxxx are
ecryptfs-initialize-new-auth_tokens-before-teardown.patch
ecryptfs-set-s_blocksize-from-lower-fs-in-sb.patch
ecryptfs-fix-fsx-data-corruption-problems.patch
ecryptfs-fix-string-overflow-on-long-cipher-names.patch
ext2-change-the-default-behaviour-on-error.patch
ecryptfs-make-show_options-reflect-actual-mount-options.patch
ecryptfs-make-show_options-reflect-actual-mount-options-fix.patch
ext4-fix-mb_debug-format-warnings.patch
ext4-fix-freespace-accounting-with-mballoc-on-32bit-machines.patch
ext4-fix-oops-with-jbd-stats-through-procfs-and-external.patch
ext4-fix-up-ext4fs_debug-builds.patch
ext3-change-the-default-behaviour-on-error.patch
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