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-rw-r--r--net/ipv4/cipso_ipv4.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index d466bd5186a1..6afc398c6a22 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -1142,7 +1142,9 @@ static int cipso_v4_map_cat_rng_hton(const struct cipso_v4_doi *doi_def,
u32 cat_size = 0;
/* make sure we don't overflow the 'array[]' variable */
- BUG_ON(net_cat_len > 30);
+ if (net_cat_len >
+ (CIPSO_V4_OPT_LEN_MAX - CIPSO_V4_HDR_LEN - CIPSO_V4_TAG_RNG_BLEN))
+ return -ENOSPC;
for (;;) {
iter = netlbl_secattr_catmap_walk(secattr->mls_cat, iter + 1);