Re: [PATCH ipsec-next v3] xfrm: cleanup error path in xfrm_add_policy()
From: Steffen Klassert
Date: Mon May 04 2026 - 04:11:38 EST
On Wed, Apr 29, 2026 at 09:33:32AM +0200, Steffen Klassert wrote:
> On Wed, Apr 29, 2026 at 07:31:40AM +0530, Deepanshu Kartikey wrote:
> > On Tue, Apr 14, 2026 at 7:39 AM Deepanshu Kartikey
> > <kartikey406@xxxxxxxxx> wrote:
> > >
> > > Replace the open-coded manual cleanup in the error path of
> > > xfrm_add_policy() with xfrm_policy_destroy(), which already
> > > handles all the necessary cleanup internally. This is consistent
> > > with how xfrm_policy_construct() handles its own error paths.
> > >
> > > The walk.dead flag must be set before calling xfrm_policy_destroy()
> > > as required by BUG_ON(!policy->walk.dead).
> > >
> > > Signed-off-by: Deepanshu Kartikey <kartikey406@xxxxxxxxx>
> > > ---
> > > v3:
> > > - Changed prefix to ipsec-next as this is a cleanup
> > > - Dropped syzbot references as suggested by Sabrina Dubroca
> > > v2:
> > > - Reworded commit message to reflect cleanup rather than bugfix
> > > as suggested by Sabrina Dubroca
> > > - Removed incorrect Fixes: and Closes: tags
> > > - Corrected subject prefix to PATCH ipsec
> > > ---
> > > net/xfrm/xfrm_user.c | 5 ++---
> > > 1 file changed, 2 insertions(+), 3 deletions(-)
> > >
> > > diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
> > > index d56450f61669..ae144d1e4a65 100644
> > > --- a/net/xfrm/xfrm_user.c
> > > +++ b/net/xfrm/xfrm_user.c
> > > @@ -2267,9 +2267,8 @@ static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
> > >
> > > if (err) {
> > > xfrm_dev_policy_delete(xp);
> > > - xfrm_dev_policy_free(xp);
> > > - security_xfrm_policy_free(xp->security);
> > > - kfree(xp);
> > > + xp->walk.dead = 1;
> > > + xfrm_policy_destroy(xp);
> > > return err;
> > > }
> > >
> > > --
> > > 2.43.0
> > >
> > Gentle ping on this patch . Please let me know the status of this patch.
> > If anything is required from my side
>
> Your patch was submitted during the merge window. The net-next
> and ipsec-next trees don't accept patches during this period.
>
> The merge window ended last Sunday with the release of 7.1-rc1.
> I prepared the ipsec-next tree for the new development cycle
> yesterday. I'll consider your patch now.
Now applied to ipsec-next, thanks Deepanshu!