Adding debian version 6.1.76-1.debian/6.1.76-1debian

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/debian/patches/features/all/ethernet-microsoft/0021-net-mana-Check-if-netdev-napi_alloc_frag-returns-sin.patch b/debian/patches/features/all/ethernet-microsoft/0021-net-mana-Check-if-netdev-napi_alloc_frag-returns-sin.patch
new file mode 100644
index 000000000..33ca4257b
--- /dev/null
+++ b/debian/patches/features/all/ethernet-microsoft/0021-net-mana-Check-if-netdev-napi_alloc_frag-returns-sin.patch
@@ -0,0 +1,54 @@
+From e1541b0cdf147beef46101f2b9fa8aeb9793bd8d Mon Sep 17 00:00:00 2001
+From: Haiyang Zhang <haiyangz@microsoft.com>
+Date: Fri, 21 Apr 2023 10:06:58 -0700
+Subject: [PATCH 21/23] net: mana: Check if netdev/napi_alloc_frag returns
+ single page
+
+netdev/napi_alloc_frag() may fall back to single page which is smaller
+than the requested size.
+Add error checking to avoid memory overwritten.
+
+Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
+Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+(cherry picked from commit df18f2da302f169e1a29098c6ca3b474f1b0269e)
+Signed-off-by: Bastian Blank <waldi@debian.org>
+---
+ drivers/net/ethernet/microsoft/mana/mana_en.c | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
+index 34fa5c758b28..fc19e62c9c84 100644
+--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
++++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
+@@ -553,6 +553,14 @@ static int mana_pre_alloc_rxbufs(struct mana_port_context *mpc, int new_mtu)
+ 			va = netdev_alloc_frag(mpc->rxbpre_alloc_size);
+ 			if (!va)
+ 				goto error;
++
++			page = virt_to_head_page(va);
++			/* Check if the frag falls back to single page */
++			if (compound_order(page) <
++			    get_order(mpc->rxbpre_alloc_size)) {
++				put_page(page);
++				goto error;
++			}
+ 		} else {
+ 			page = dev_alloc_page();
+ 			if (!page)
+@@ -1505,6 +1513,13 @@ static void *mana_get_rxfrag(struct mana_rxq *rxq, struct device *dev,
+ 
+ 		if (!va)
+ 			return NULL;
++
++		page = virt_to_head_page(va);
++		/* Check if the frag falls back to single page */
++		if (compound_order(page) < get_order(rxq->alloc_size)) {
++			put_page(page);
++			return NULL;
++		}
+ 	} else {
+ 		page = dev_alloc_page();
+ 		if (!page)
+-- 
+2.40.1
+