From: Xin Long
Date: Mon, 29 Oct 2018 23:13:11 +0800
> When getting pr_assocstatus and pr_streamstatus by sctp_getsockopt,
> it doesn't correctly process the case when policy is set with
> SCTP_PR_SCTP_ALL | SCTP_PR_SCTP_MASK. It even causes a
> slab-out-of-bounds in sctp_getsockopt_pr_streamstat
When getting pr_assocstatus and pr_streamstatus by sctp_getsockopt,
it doesn't correctly process the case when policy is set with
SCTP_PR_SCTP_ALL | SCTP_PR_SCTP_MASK. It even causes a
slab-out-of-bounds in sctp_getsockopt_pr_streamstatus().
This patch fixes it by return -EINVAL for this case.
Fi
