-stable review patch. If anyone has any objections, please let us know. ------------------ From: Chris Wright [IPV6] fix ipv6_getsockopt_sticky copy_to_user leak User supplied len < 0 can cause leak of kernel memory. Use unsigned compare instead. Signed-off-by: Chris Wright Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv6/ipv6_sockglue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -805,7 +805,7 @@ static int ipv6_getsockopt_sticky(struct return 0; hdr = opt->hopopt; - len = min_t(int, len, ipv6_optlen(hdr)); + len = min_t(unsigned int, len, ipv6_optlen(hdr)); if (copy_to_user(optval, hdr, ipv6_optlen(hdr))) return -EFAULT; return len; -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/