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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-15 23:56:43 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-15 23:56:43 +0900
commit326b06a8a9b09d6d9a276fd550b6b6bb138e9a47 (patch)
treeb9bdcb0bd635b91258cec09c981af2c5dcc0f683 /net/ipv4/ipmr.c
parent92b2e81d6f95bcee386abac4c4389f5b950f7bb9 (diff)
parent9bffb1fb7c22c96d51d4ba06e2e023dd568a5872 (diff)
downloadop-kernel-dev-326b06a8a9b09d6d9a276fd550b6b6bb138e9a47.zip
op-kernel-dev-326b06a8a9b09d6d9a276fd550b6b6bb138e9a47.tar.gz
Merge remote-tracking branch 'asoc/topic/core' into asoc-next
Diffstat (limited to 'net/ipv4/ipmr.c')
-rw-r--r--net/ipv4/ipmr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 6168c4d..3eab2b2 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1318,6 +1318,10 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi
if (get_user(v, (u32 __user *)optval))
return -EFAULT;
+ /* "pimreg%u" should not exceed 16 bytes (IFNAMSIZ) */
+ if (v != RT_TABLE_DEFAULT && v >= 1000000000)
+ return -EINVAL;
+
rtnl_lock();
ret = 0;
if (sk == rtnl_dereference(mrt->mroute_sk)) {
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