Patch "ubifs: Fix xattr_names length in exit paths" has been added to the 4.8-stable tree

This is a note to let you know that I've just added the patch titled

ubifs: Fix xattr_names length in exit paths

to the 4.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
ubifs-fix-xattr_names-length-in-exit-paths.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Richard Weinberger <[email protected]>
Date: Tue, 20 Sep 2016 10:08:30 +0200
Subject: ubifs: Fix xattr_names length in exit paths

From: Richard Weinberger <[email protected]>

commit 843741c5778398ea67055067f4cc65ae6c80ca0e upstream.

When the operation fails we also have to undo the changes we made to ->xattr_names. Otherwise listxattr() will report wrong lengths.

---
 fs/ubifs/xattr.c |    2 ++
 1 file changed, 2 insertions(+)

@@ -172,6 +172,7 @@ out_cancel:
 	host_ui->xattr_cnt -= 1;
 	host_ui->xattr_size -= CALC_DENT_SIZE(nm->len);
 	host_ui->xattr_size -= CALC_XATTR_BYTES(size);
+	host_ui->xattr_names -= nm->len;
 	mutex_unlock(&host_ui->ui_mutex);
 out_free:
 	make_bad_inode(inode);

@@ -476,6 +477,7 @@ out_cancel:
 	host_ui->xattr_cnt += 1;
 	host_ui->xattr_size += CALC_DENT_SIZE(nm->len);
 	host_ui->xattr_size += CALC_XATTR_BYTES(ui->data_len);
+	host_ui->xattr_names += nm->len;
 	mutex_unlock(&host_ui->ui_mutex);
 	ubifs_release_budget(c, &req);
 	make_bad_inode(inode);

Patches currently in stable-queue which might be from [email protected] are

queue-4.8/ubifs-abort-readdir-upon-error.patch queue-4.8/ubi-deal-with-interrupted-erasures-in-wl.patch queue-4.8/fscrypto-lock-inode-while-setting-encryption-policy.patch queue-4.8/ubifs-fix-xattr_names-length-in-exit-paths.patch queue-4.8/ovl-fix-info-leak-in-ovl_lookup_temp.patch