[Devel] [PATCH RH7] ipset: enable memory accounting for ipset memory allocations

Vasily Averin vvs at virtuozzo.com
Wed Sep 23 15:54:18 MSK 2020


currently root inside non-trusted network namespace can consume
all node's memory for ipset hashtable.

https://jira.sw.ru/browse/PSBM-108091
Signed-off-by: Vasily Averin <vvs at virtuozzo.com>
---
 net/netfilter/ipset/ip_set_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 6b93a8978cb2..0fb19b95b507 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -251,14 +251,14 @@ ip_set_alloc(size_t size)
 	void *members = NULL;
 
 	if (size < KMALLOC_MAX_SIZE)
-		members = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
+		members = kzalloc(size, GFP_KERNEL_ACCOUNT | __GFP_NOWARN);
 
 	if (members) {
 		pr_debug("%p: allocated with kmalloc\n", members);
 		return members;
 	}
 
-	members = vzalloc(size);
+	members = vzalloc_account(size);
 	if (!members)
 		return NULL;
 	pr_debug("%p: allocated with vmalloc\n", members);
-- 
2.17.1



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