From: Al Viro Date: Thu, 26 Nov 2015 20:20:50 +0000 (-0500) Subject: ext4: fix an endianness bug in ext4_encrypted_follow_link() X-Git-Tag: v4.4-rc5~31^2~2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5a1c7f47da9b32d0671e776b0f388095b7f91e2e;p=karo-tx-linux.git 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 Signed-off-by: Theodore Ts'o --- 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) {