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authorThomas Bartschies <thomas.bartschies@cvk.de>2022-05-18 09:32:18 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-06 09:20:56 +0300
commit0aa0d8ab332f218edadad0654f3cb1e559578831 (patch)
tree9093080adc816d7f0d82250435ad376fb8d8e715
parent853b1bcc5c53b2efb34e6427e753c75ff52d0210 (diff)
downloadlinux-0aa0d8ab332f218edadad0654f3cb1e559578831.tar.xz
net: af_key: check encryption module availability consistency
[ Upstream commit 015c44d7bff3f44d569716117becd570c179ca32 ] Since the recent introduction supporting the SM3 and SM4 hash algos for IPsec, the kernel produces invalid pfkey acquire messages, when these encryption modules are disabled. This happens because the availability of the algos wasn't checked in all necessary functions. This patch adds these checks. Signed-off-by: Thomas Bartschies <thomas.bartschies@cvk.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--net/key/af_key.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 3d5a46080169..990de0702b79 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2908,7 +2908,7 @@ static int count_ah_combs(const struct xfrm_tmpl *t)
break;
if (!aalg->pfkey_supported)
continue;
- if (aalg_tmpl_set(t, aalg))
+ if (aalg_tmpl_set(t, aalg) && aalg->available)
sz += sizeof(struct sadb_comb);
}
return sz + sizeof(struct sadb_prop);
@@ -2926,7 +2926,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
if (!ealg->pfkey_supported)
continue;
- if (!(ealg_tmpl_set(t, ealg)))
+ if (!(ealg_tmpl_set(t, ealg) && ealg->available))
continue;
for (k = 1; ; k++) {
@@ -2937,7 +2937,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
if (!aalg->pfkey_supported)
continue;
- if (aalg_tmpl_set(t, aalg))
+ if (aalg_tmpl_set(t, aalg) && aalg->available)
sz += sizeof(struct sadb_comb);
}
}