This is a note to let you know that I've just added the patch titled
ovl: update ctx->pos on impure dir iteration
to the 4.14-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:
ovl-update-ctx-pos-on-impure-dir-iteration.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b02a16e6413a2f782e542ef60bad9ff6bf212f8a Mon Sep 17 00:00:00 2001
From: Amir Goldstein <amir73il@xxxxxxxxx>
Date: Wed, 29 Nov 2017 07:35:21 +0200
Subject: ovl: update ctx->pos on impure dir iteration
From: Amir Goldstein <amir73il@xxxxxxxxx>
commit b02a16e6413a2f782e542ef60bad9ff6bf212f8a upstream.
This fixes a regression with readdir of impure dir in overlayfs
that is shared to VM via 9p fs.
Reported-by: Miguel Bernal Marin <miguel.bernal.marin@xxxxxxxxxxxxxxx>
Fixes: 4edb83bb1041 ("ovl: constant d_ino for non-merge dirs")
Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>
Tested-by: Miguel Bernal Marin <miguel.bernal.marin@xxxxxxxxxxxxxxx>
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/overlayfs/readdir.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -645,7 +645,10 @@ static int ovl_iterate_real(struct file
return PTR_ERR(rdt.cache);
}
- return iterate_dir(od->realfile, &rdt.ctx);
+ err = iterate_dir(od->realfile, &rdt.ctx);
+ ctx->pos = rdt.ctx.pos;
+
+ return err;
}
Patches currently in stable-queue which might be from amir73il@xxxxxxxxx are
queue-4.14/ovl-pass-ovl_get_nlink-parameters-in-right-order.patch
queue-4.14/ovl-update-ctx-pos-on-impure-dir-iteration.patch