| Message ID | 1447370096-31677-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index ea10a87..94edf78 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -81,11 +81,11 @@ static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len) if (len == 0) return 0; - old_file = ovl_path_open(old, O_RDONLY); + old_file = ovl_path_open(old, O_LARGEFILE | O_RDONLY); if (IS_ERR(old_file)) return PTR_ERR(old_file); - new_file = ovl_path_open(new, O_WRONLY); + new_file = ovl_path_open(new, O_LARGEFILE | O_WRONLY); if (IS_ERR(new_file)) { error = PTR_ERR(new_file); goto out_fput;
This is a note to let you know that I have just added a patch titled ovl: use O_LARGEFILE in ovl_copy_up() to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue This patch is scheduled to be released in version 3.19.8-ckt10. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.19.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ From b3afa24fcba241ee4d3076c1a1c94fe71e03e1b6 Mon Sep 17 00:00:00 2001 From: David Howells <dhowells@redhat.com> Date: Fri, 18 Sep 2015 11:45:12 +0100 Subject: [PATCH 103/120] ovl: use O_LARGEFILE in ovl_copy_up() commit 0480334fa60488d12ae101a02d7d9e1a3d03d7dd upstream. Open the lower file with O_LARGEFILE in ovl_copy_up(). Pass O_LARGEFILE unconditionally in ovl_copy_up_data() as it's purely for catching 32-bit userspace dealing with a file large enough that it'll be mishandled if the application isn't aware that there might be an integer overflow. Inside the kernel, there shouldn't be any problems. Reported-by: Ulrich Obergfell <uobergfe@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- fs/overlayfs/copy_up.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 1.9.1