diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/773-v5.18-2-net-dsa-Avoid-cross-chip-syncing-of-VLAN-filtering.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/773-v5.18-2-net-dsa-Avoid-cross-chip-syncing-of-VLAN-filtering.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/generic/backport-5.10/773-v5.18-2-net-dsa-Avoid-cross-chip-syncing-of-VLAN-filtering.patch b/target/linux/generic/backport-5.10/773-v5.18-2-net-dsa-Avoid-cross-chip-syncing-of-VLAN-filtering.patch deleted file mode 100644 index 0b36ef7cec..0000000000 --- a/target/linux/generic/backport-5.10/773-v5.18-2-net-dsa-Avoid-cross-chip-syncing-of-VLAN-filtering.patch +++ /dev/null @@ -1,58 +0,0 @@ -From 6948a6654ffc878fc0258b363da77e7fd775b2d9 Mon Sep 17 00:00:00 2001 -From: Tobias Waldekranz <tobias@waldekranz.com> -Date: Mon, 24 Jan 2022 22:09:44 +0100 -Subject: [PATCH 5.10 2/2] net: dsa: Avoid cross-chip syncing of VLAN filtering -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -commit 108dc8741c203e9d6ce4e973367f1bac20c7192b upstream. - -Changes to VLAN filtering are not applicable to cross-chip -notifications. - -On a system like this: - -.-----. .-----. .-----. -| sw1 +---+ sw2 +---+ sw3 | -'-1-2-' '-1-2-' '-1-2-' - -Before this change, upon sw1p1 leaving a bridge, a call to -dsa_port_vlan_filtering would also be made to sw2p1 and sw3p1. - -In this scenario: - -.---------. .-----. .-----. -| sw1 +---+ sw2 +---+ sw3 | -'-1-2-3-4-' '-1-2-' '-1-2-' - -When sw1p4 would leave a bridge, dsa_port_vlan_filtering would be -called for sw2 and sw3 with a non-existing port - leading to array -out-of-bounds accesses and crashes on mv88e6xxx. - -Fixes: d371b7c92d19 ("net: dsa: Unset vlan_filtering when ports leave the bridge") -Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com> -Reviewed-by: Vladimir Oltean <olteanv@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - net/dsa/switch.c | 8 +++++--- - 1 file changed, 5 insertions(+), 3 deletions(-) - ---- a/net/dsa/switch.c -+++ b/net/dsa/switch.c -@@ -162,9 +162,11 @@ static int dsa_switch_bridge_leave(struc - info->sw_index, info->port, - info->br); - -- err = dsa_switch_sync_vlan_filtering(ds, info); -- if (err) -- return err; -+ if (dst->index == info->tree_index && ds->index == info->sw_index) { -+ err = dsa_switch_sync_vlan_filtering(ds, info); -+ if (err) -+ return err; -+ } - - return 0; - } |