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196f3d586f
5.4.102 backported a lot of stuff that our WireGuard backport already did, in addition to other patches we had, so those patches were removed from that part of the series. In the process other patches were refreshed or reworked to account for upstream changes. This commit involved `update_kernel.sh -v -u 5.4`. Cc: John Audia <graysky@archlinux.us> Cc: David Bauer <mail@david-bauer.net> Cc: Petr Štetiar <ynezz@true.cz> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
53 lines
1.9 KiB
Diff
53 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jann Horn <jannh@google.com>
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Date: Mon, 22 Feb 2021 17:25:44 +0100
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Subject: [PATCH] wireguard: socket: remove bogus __be32 annotation
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commit 7f57bd8dc22de35ddd895294aa554003e4f19a72 upstream.
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The endpoint->src_if4 has nothing to do with fixed-endian numbers; remove
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the bogus annotation.
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This was introduced in
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https://git.zx2c4.com/wireguard-monolithic-historical/commit?id=14e7d0a499a676ec55176c0de2f9fcbd34074a82
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in the historical WireGuard repo because the old code used to
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zero-initialize multiple members as follows:
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endpoint->src4.s_addr = endpoint->src_if4 = fl.saddr = 0;
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Because fl.saddr is fixed-endian and an assignment returns a value with the
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type of its left operand, this meant that sparse detected an assignment
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between values of different endianness.
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Since then, this assignment was already split up into separate statements;
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just the cast survived.
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Signed-off-by: Jann Horn <jannh@google.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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---
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drivers/net/wireguard/socket.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireguard/socket.c
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+++ b/drivers/net/wireguard/socket.c
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@@ -53,7 +53,7 @@ static int send4(struct wg_device *wg, s
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if (unlikely(!inet_confirm_addr(sock_net(sock), NULL, 0,
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fl.saddr, RT_SCOPE_HOST))) {
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endpoint->src4.s_addr = 0;
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- *(__force __be32 *)&endpoint->src_if4 = 0;
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+ endpoint->src_if4 = 0;
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fl.saddr = 0;
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if (cache)
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dst_cache_reset(cache);
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@@ -63,7 +63,7 @@ static int send4(struct wg_device *wg, s
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PTR_ERR(rt) == -EINVAL) || (!IS_ERR(rt) &&
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rt->dst.dev->ifindex != endpoint->src_if4)))) {
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endpoint->src4.s_addr = 0;
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- *(__force __be32 *)&endpoint->src_if4 = 0;
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+ endpoint->src_if4 = 0;
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fl.saddr = 0;
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if (cache)
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dst_cache_reset(cache);
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