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authorDan Carpenter <error27@gmail.com>2010-05-26 00:38:56 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-26 00:38:56 -0700
commited0f160ad674407adb3aba499444f71c83289c63 (patch)
tree39cff780164f55d6cda23018431ab553c4477f9e /net/ipv4
parentd938a702e5ce8909ea68be97566150507bfea4df (diff)
downloadop-kernel-dev-ed0f160ad674407adb3aba499444f71c83289c63.zip
op-kernel-dev-ed0f160ad674407adb3aba499444f71c83289c63.tar.gz
ipmr: off by one in __ipmr_fill_mroute()
This fixes a smatch warning: net/ipv4/ipmr.c +1917 __ipmr_fill_mroute(12) error: buffer overflow '(mrt)->vif_table' 32 <= 32 The ipv6 version had the same issue. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/ipmr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 4588910..856123f 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1911,7 +1911,7 @@ static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
struct rtattr *mp_head;
/* If cache is unresolved, don't try to parse IIF and OIF */
- if (c->mfc_parent > MAXVIFS)
+ if (c->mfc_parent >= MAXVIFS)
return -ENOENT;
if (VIF_EXISTS(mrt, c->mfc_parent))
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