Message ID | 20151126160434.GU22011@ZenIV.linux.org.uk |
---|---|
State | Accepted, archived |
Headers | show |
On Thu, Nov 26, 2015 at 04:04:34PM +0000, Al Viro wrote: > 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> Thanks for catching this! Applied. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/ext4/crypto.c b/fs/ext4/crypto.c index af06830..1a08350 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;
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> --- -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html