From: Steffen Klassert Date: Wed, 19 Feb 2014 12:33:23 +0000 (+0100) Subject: xfrm: Fix NULL pointer dereference on sub policy usage X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=35ea790d7883dd660208f78eae50ebfd6b8bd14a;p=linux-beck.git xfrm: Fix NULL pointer dereference on sub policy usage xfrm_state_sort() takes the unsorted states from the src array and stores them into the dst array. We try to get the namespace from the dst array which is empty at this time, so take the namespace from the src array instead. Fixes: 283bc9f35bbbc ("xfrm: Namespacify xfrm state/policy locks") Signed-off-by: Steffen Klassert --- diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index a26b7aa79475..97d117b80ba4 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1451,7 +1451,7 @@ xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src, int n, { int err = 0; struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family); - struct net *net = xs_net(*dst); + struct net *net = xs_net(*src); if (!afinfo) return -EAFNOSUPPORT;