| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.14 29/79] fuse: notify: dont move pages | Date | Tue, 24 Mar 2015 16:45:40 +0100 |
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3.14-stable review patch. If anyone has any objections, please let me know.
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From: Miklos Szeredi <mszeredi@suse.cz>
commit 0d2783626a53d4c922f82d51fa675cb5d13f0d36 upstream.
fuse_try_move_page() is not prepared for replacing pages that have already been read.
Reported-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/fuse/dev.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1726,6 +1726,9 @@ 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);
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