netdev - [PATCH net] kcm: do not sense pfmemalloc status in kcm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20221027040637.1107703-1-edumazet@google.com>
Date:   Thu, 27 Oct 2022 04:06:37 +0000
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net] kcm: do not sense pfmemalloc status in kcm_sendpage()

Similar to changes done in TCP in blamed commit.
We should not sense pfmemalloc status in sendpage() methods.

Fixes: 326140063946 ("tcp: TX zerocopy should not sense pfmemalloc status")
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 net/kcm/kcmsock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 63e32f181f435334530c42e54c7a36e8e993104b..a5004228111de324a563ef6f26863181616c0241 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -839,7 +839,7 @@ static ssize_t kcm_sendpage(struct socket *sock, struct page *page,
 	}
 
 	get_page(page);
-	skb_fill_page_desc(skb, i, page, offset, size);
+	skb_fill_page_desc_noacc(skb, i, page, offset, size);
 	skb_shinfo(skb)->flags |= SKBFL_SHARED_FRAG;
 
 coalesced:
-- 
2.38.1.273.g43a17bfeac-goog