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: [email protected] # v4.1+
Signed-off-by: Al Viro <[email protected]>
---

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;
--
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