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authorAl Viro <viro@ZenIV.linux.org.uk>2015-11-26 15:20:50 -0500
committerTheodore Ts'o <tytso@mit.edu>2015-11-26 15:20:50 -0500
commit5a1c7f47da9b32d0671e776b0f388095b7f91e2e (patch)
treeb3d5975bdf2cc696f003b7791023e0a2d8758278 /fs
parente2c9e0b28e146c9a3bce21408f3c02e24ac7ac31 (diff)
downloadlinux-5a1c7f47da9b32d0671e776b0f388095b7f91e2e.tar.bz2
ext4: fix an endianness bug in ext4_encrypted_follow_link()
applying le32_to_cpu() to 16bit value is a bad idea... 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/symlink.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c
index abe2401ce405..e8e7af62ac95 100644
--- a/fs/ext4/symlink.c
+++ b/fs/ext4/symlink.c
@@ -52,7 +52,7 @@ static const char *ext4_encrypted_follow_link(struct dentry *dentry, void **cook
/* Symlink is encrypted */
sd = (struct ext4_encrypted_symlink_data *)caddr;
cstr.name = sd->encrypted_path;
- cstr.len = le32_to_cpu(sd->len);
+ cstr.len = le16_to_cpu(sd->len);
if ((cstr.len +
sizeof(struct ext4_encrypted_symlink_data) - 1) >
max_size) {