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(usagi-users 00367) IPV6_JOIN_GROUP in 2.2.x
- To: usagi-users@xxxxxxxxxxxxxx
- Subject: (usagi-users 00367) IPV6_JOIN_GROUP in 2.2.x
- From: NAKAMURA Takumi <canalian@xxxxxxxxxxx>
- Date: Fri, 30 Mar 2001 01:07:25 +0900
- Reply-to: usagi-users@xxxxxxxxxxxxxx
In kernel22
/net/ipv6/ipv6_sockglue.c:ipv6_setsockopt()
| case IPV6_JOIN_GROUP:
| case IPV6_LEAVE_GROUP:
| {
| struct ipv6_mreq mreq;
|
| if (optlen != sizeof(int))
| return -EINVAL;
Variable "optlen" must be compared with "sizeof(struct ipv6_mreq)"
instead of "sizeof(int)". Now, if application call setsockopt() with
IPV6_JOIN_GROUP and correct optlen (not int), it will return error.
In kernel24, "optlen" is compared with "sizeof(struct ipv6_mreq)"
correctly.