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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:30:49 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:30:49 +0200
commitcbd6712406a3ea861b49fbfd46e23cbf5f8e073f (patch)
treeb519cb0f279cd844886df062b3c7ce439912b4ed /net/sctp/socket.c
parentd939d2851fd12568e2eabb2916769e8a57ba5c89 (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into x86/irqtip-x86-irq-2008-06-25_10.30_Wed
Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index e7e3baf7009e..0dbcde6758ea 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4401,7 +4401,9 @@ static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
if (copy_from_user(&getaddrs, optval, len))
return -EFAULT;
- if (getaddrs.addr_num <= 0) return -EINVAL;
+ if (getaddrs.addr_num <= 0 ||
+ getaddrs.addr_num >= (INT_MAX / sizeof(union sctp_addr)))
+ return -EINVAL;
/*
* For UDP-style sockets, id specifies the association to query.
* If the id field is set to the value '0' then the locally bound