From: David Miller <[email protected]> If we cannot find a suitable inner_mode value, we will leak the currently allocated 'xdst'.
The fix is to make sure it is linked into the chain before erroring out. Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Steffen Klassert <[email protected]> --- net/xfrm/xfrm_policy.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index f062539..2746b62 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1573,6 +1573,14 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, goto put_states; } + if (!dst_prev) + dst0 = dst1; + else + /* Ref count is taken during xfrm_alloc_dst() + * No need to do dst_clone() on dst1 + */ + dst_prev->child = dst1; + if (xfrm[i]->sel.family == AF_UNSPEC) { inner_mode = xfrm_ip2inner_mode(xfrm[i], xfrm_af2proto(family)); @@ -1584,14 +1592,6 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, } else inner_mode = xfrm[i]->inner_mode; - if (!dst_prev) - dst0 = dst1; - else - /* Ref count is taken during xfrm_alloc_dst() - * No need to do dst_clone() on dst1 - */ - dst_prev->child = dst1; - xdst->route = dst; dst_copy_metrics(dst1, dst); -- 2.7.4
