diff options
Diffstat (limited to 'main/linux-grsec/xsa155-linux-xsa155-0006-xen-scsiback-safely-copy-requests.patch')
| -rw-r--r-- | main/linux-grsec/xsa155-linux-xsa155-0006-xen-scsiback-safely-copy-requests.patch | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/main/linux-grsec/xsa155-linux-xsa155-0006-xen-scsiback-safely-copy-requests.patch b/main/linux-grsec/xsa155-linux-xsa155-0006-xen-scsiback-safely-copy-requests.patch deleted file mode 100644 index 28c6d585b3..0000000000 --- a/main/linux-grsec/xsa155-linux-xsa155-0006-xen-scsiback-safely-copy-requests.patch +++ /dev/null @@ -1,37 +0,0 @@ -From 89739c14c72e5c1626a5cd5e09cbb2efeaadb6d8 Mon Sep 17 00:00:00 2001 -From: David Vrabel <david.vrabel@citrix.com> -Date: Mon, 16 Nov 2015 18:02:32 +0000 -Subject: [PATCH 6/7] xen-scsiback: safely copy requests - -The copy of the ring request was lacking a following barrier(), -potentially allowing the compiler to optimize the copy away. - -Use RING_COPY_REQUEST() to ensure the request is copied to local -memory. - -This is part of XSA155. - -CC: stable@vger.kernel.org -Reviewed-by: Juergen Gross <jgross@suse.com> -Signed-off-by: David Vrabel <david.vrabel@citrix.com> -Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> ---- - drivers/xen/xen-scsiback.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c -index 43bcae8..ad4eb10 100644 ---- a/drivers/xen/xen-scsiback.c -+++ b/drivers/xen/xen-scsiback.c -@@ -726,7 +726,7 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info) - if (!pending_req) - return 1; - -- ring_req = *RING_GET_REQUEST(ring, rc); -+ RING_COPY_REQUEST(ring, rc, &ring_req); - ring->req_cons = ++rc; - - err = prepare_pending_reqs(info, &ring_req, pending_req); --- -2.1.0 - |