Commit 5a1c7f47 authored by Al Viro's avatar Al Viro Committed by Theodore Ts'o
Browse files

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: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent e2c9e0b2

fs/ext4/symlink.c

+1 −1
Original line number Diff line number Diff line
@@ -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) {