diff options
| -rw-r--r-- | net/netfilter/nft_set_pipapo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index 0529e4ef7520..c5855069bdab 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -663,6 +663,9 @@ static int pipapo_realloc_mt(struct nft_pipapo_field *f, check_add_overflow(rules, extra, &rules_alloc)) return -EOVERFLOW; + if (rules_alloc > (INT_MAX / sizeof(*new_mt))) + return -ENOMEM; + new_mt = kvmalloc_array(rules_alloc, sizeof(*new_mt), GFP_KERNEL_ACCOUNT); if (!new_mt) return -ENOMEM; @@ -1499,6 +1502,9 @@ static struct nft_pipapo_match *pipapo_clone(struct nft_pipapo_match *old) src->groups * NFT_PIPAPO_BUCKETS(src->bb)); if (src->rules > 0) { + if (src->rules_alloc > (INT_MAX / sizeof(*src->mt))) + goto out_mt; + dst->mt = kvmalloc_array(src->rules_alloc, sizeof(*src->mt), GFP_KERNEL_ACCOUNT); |