IPv6:Fix the return value of Set Hop-by-Hop options header with NULL data pointer
Subsystems (3)
PATCH 1/1 IPv6:Fix the return value of Set Hop-by-Hop options header with NULL data pointer
Please ingnore prev one.
When Set Hop-by-Hop options header with NULL data pointer and optlen is not zero use setsockopt(), the kernel successfully return 0 instead of return error EINVAL or EFAULT.
This patch fix the problem.
Signed-off-by Yang Hongyang<[email protected]>
--- ipv6_sockglue.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
net/ipv6/ipv6_sockglue.c +2 -0
@@ -346,6 +346,8 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,*/ if (optlen ==0 ) optval =NULL ; +else if (optval ==NULL ) + goto e_inval;else if (optlen <sizeof (struct ipv6_opt_hdr ) || optlen &0x7 || optlen >8 *255 ) goto e_inval;
Signature · 20 lines
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From: Yang Hongyang <[email protected]>
Date: Mon, 28 Jul 2008 10:56:35 +0800
Quoted 8 lines
When Set Hop-by-Hop options header with NULL data pointer and optlen is not zero use
setsockopt(), the kernel successfully return 0 instead of return error EINVAL or EFAULT.This patch fix the problem.
Signed-off-by Yang Hongyang<[email protected]>
Applied, thanks!