3.13.11-ckt19 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Miklos Szeredi <mszeredi@xxxxxxx>
commit 0d2783626a53d4c922f82d51fa675cb5d13f0d36 upstream.
fuse_try_move_page() is not prepared for replacing pages that have already
been read.
Reported-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
fs/fuse/dev.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index fa8cb4b..9f4119f 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1725,6 +1725,9 @@ copy_finish:
static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
unsigned int size, struct fuse_copy_state *cs)
{
+ /* Don't try to move pages (yet) */
+ cs->move_pages = 0;
+
switch (code) {
case FUSE_NOTIFY_POLL:
return fuse_notify_poll(fc, size, cs);
--
1.9.1
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