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lib: OoB access (Coverity 1448806, 1448810)

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Signed-off-by: F. Aragon <paco@voltanet.io>
This commit is contained in:
paco 2018-06-12 19:16:39 +02:00
parent 9eafc8abd7
commit f0ed6beaf2
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GPG Key ID: FD112A8C7E6A5E4A
1 changed files with 8 additions and 8 deletions
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16
lib/prefix.c
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@ -584,8 +584,8 @@ int prefix_match(const struct prefix *n, const struct prefix *p)
}
/* Set both prefix's head pointer. */
np = (const uint8_t *)&n->u.prefix;
pp = (const uint8_t *)&p->u.prefix;
np = n->u.val;
pp = p->u.val;
offset = n->prefixlen / PNBBY;
shift = n->prefixlen % PNBBY;
@ -609,8 +609,8 @@ int prefix_match_network_statement(const struct prefix *n,
const uint8_t *np, *pp;
/* Set both prefix's head pointer. */
np = (const uint8_t *)&n->u.prefix;
pp = (const uint8_t *)&p->u.prefix;
np = n->u.val;
pp = p->u.val;
offset = n->prefixlen / PNBBY;
shift = n->prefixlen % PNBBY;
@ -742,8 +742,8 @@ int prefix_cmp(const struct prefix *p1, const struct prefix *p2)
return 1;
return 0;
}
pp1 = (const uint8_t *)&p1->u.prefix;
pp2 = (const uint8_t *)&p2->u.prefix;
pp1 = p1->u.val;
pp2 = p2->u.val;
if (p1->prefixlen != p2->prefixlen)
return 1;
@ -774,8 +774,8 @@ int prefix_common_bits(const struct prefix *p1, const struct prefix *p2)
uint8_t xor ;
/* Set both prefix's head pointer. */
const uint8_t *pp1 = (const uint8_t *)&p1->u.prefix;
const uint8_t *pp2 = (const uint8_t *)&p2->u.prefix;
const uint8_t *pp1 = p1->u.val;
const uint8_t *pp2 = p2->u.val;
if (p1->family == AF_INET)
length = IPV4_MAX_BYTELEN;