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| author | David S. Miller <davem@davemloft.net> | 2012-11-29 12:51:17 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-29 12:51:17 -0500 |
| commit | 8a2cf062b27ef5511a7d8a7ce6662fbc04f671b8 (patch) | |
| tree | 31f32c0d9a548f0dbbe9f3a32aca5767093d98b4 /net/ipv4/ipmr.c | |
| parent | 3177bf6f922f62743133abbcbbbb5545f4133b2d (diff) | |
| parent | e9296e89b85604862bd9ec2d54dc43edad775c0d (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipmr.c')
| -rw-r--r-- | net/ipv4/ipmr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index fc09ef93663..58e4160fdce 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1323,6 +1323,10 @@ 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)) { |