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authorAl Viro <viro@ZenIV.linux.org.uk>2015-11-26 23:20:19 +0300
committerTheodore Ts'o <tytso@mit.edu>2015-11-26 23:20:19 +0300
commite2c9e0b28e146c9a3bce21408f3c02e24ac7ac31 (patch)
treee820324ac62207ecfcd62a43969c3803881cdd05 /fs
parentbc23f0c8d7ccd8d924c4e70ce311288cb3e61ea8 (diff)
downloadlinux-e2c9e0b28e146c9a3bce21408f3c02e24ac7ac31.tar.xz
ext4: fix an endianness bug in ext4_encrypted_zeroout()
ex->ee_block is not host-endian (note that accesses of other fields of *ex right next to that line go through the helpers that do proper conversion from little-endian to host-endian; it might make sense to add similar for ->ee_block to avoid reintroducing that kind of bugs...) Cc: stable@vger.kernel.org # v4.1+ Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/crypto.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/crypto.c b/fs/ext4/crypto.c
index af06830bfc00..1a0835073663 100644
--- a/fs/ext4/crypto.c
+++ b/fs/ext4/crypto.c
@@ -389,7 +389,7 @@ int ext4_encrypted_zeroout(struct inode *inode, struct ext4_extent *ex)
struct ext4_crypto_ctx *ctx;
struct page *ciphertext_page = NULL;
struct bio *bio;
- ext4_lblk_t lblk = ex->ee_block;
+ ext4_lblk_t lblk = le32_to_cpu(ex->ee_block);
ext4_fsblk_t pblk = ext4_ext_pblock(ex);
unsigned int len = ext4_ext_get_actual_len(ex);
int ret, err = 0;