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Commit 5a1c7f47 authored Nov 26, 2015 by Al Viro Committed by Theodore Ts'o Nov 26, 2015

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>

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) {