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authorJason A. Donenfeld <Jason@zx2c4.com>2021-03-02 09:24:45 +0100
committerPetr Štetiar <ynezz@true.cz>2021-03-02 09:30:22 +0100
commitd54072587146dd0db9bb52b513234d944edabda3 (patch)
treead10796da858d6956e8937950cf525498df26025 /target/linux/generic/backport-5.4/080-wireguard-0082-wireguard-socket-mark-skbs-as-not-on-list-when-recei.patch
parentb0376462c164344d6be9fe1568a9f13ffd8fbb16 (diff)
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kernel-5.4: backport fd16931a2f51 for chacha neon
Without this patch, the chacha block counter is not incremented on neon rounds, resulting in incorrect calculations and corrupt packets. This also switches to using `--no-numbered --zero-commit` so that future diffs are smaller. Reported-by: Hans Geiblinger <cybrnook2002@yahoo.com> Reviewed-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Cc: David Bauer <mail@david-bauer.net> Cc: Petr Štetiar <ynezz@true.cz> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'target/linux/generic/backport-5.4/080-wireguard-0082-wireguard-socket-mark-skbs-as-not-on-list-when-recei.patch')
-rw-r--r--target/linux/generic/backport-5.4/080-wireguard-0082-wireguard-socket-mark-skbs-as-not-on-list-when-recei.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/080-wireguard-0082-wireguard-socket-mark-skbs-as-not-on-list-when-recei.patch b/target/linux/generic/backport-5.4/080-wireguard-0082-wireguard-socket-mark-skbs-as-not-on-list-when-recei.patch
new file mode 100644
index 0000000000..779491c8db
--- /dev/null
+++ b/target/linux/generic/backport-5.4/080-wireguard-0082-wireguard-socket-mark-skbs-as-not-on-list-when-recei.patch
@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Jason A. Donenfeld" <Jason@zx2c4.com>
+Date: Thu, 2 Jan 2020 17:47:51 +0100
+Subject: [PATCH] wireguard: socket: mark skbs as not on list when receiving
+ via gro
+
+commit 736775d06bac60d7a353e405398b48b2bd8b1e54 upstream.
+
+Certain drivers will pass gro skbs to udp, at which point the udp driver
+simply iterates through them and passes them off to encap_rcv, which is
+where we pick up. At the moment, we're not attempting to coalesce these
+into bundles, but we also don't want to wind up having cascaded lists of
+skbs treated separately. The right behavior here, then, is to just mark
+each incoming one as not on a list. This can be seen in practice, for
+example, with Qualcomm's rmnet_perf driver.
+
+Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
+Tested-by: Yaroslav Furman <yaro330@gmail.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
+---
+ drivers/net/wireguard/socket.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/net/wireguard/socket.c
++++ b/drivers/net/wireguard/socket.c
+@@ -333,6 +333,7 @@ static int wg_receive(struct sock *sk, s
+ wg = sk->sk_user_data;
+ if (unlikely(!wg))
+ goto err;
++ skb_mark_not_on_list(skb);
+ wg_packet_receive(wg, skb);
+ return 0;
+