Messages in this thread Patch in this message | | | Date | Thu, 26 Nov 2015 15:27:28 +0000 | From | Al Viro <> | Subject | [PATCH] fix an endianness bug in ext4_encrypted_follow_link() |
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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> ---
diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index abe2401..e8e7af6 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) {
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