[SSSD] [PATCH] NSS: Check allocation result
Jakub Hrozek
jhrozek at redhat.com
Mon Oct 21 15:33:33 UTC 2013
On Mon, Oct 21, 2013 at 10:38:19AM -0400, Simo Sorce wrote:
> On Mon, 2013-10-21 at 11:03 +0200, Jakub Hrozek wrote:
> > Another small bug I found when looking for #1020945
> >
> >
> >
> >
> >
> >
> >
> > plain text
> > document
> > attachment
> > (0001-NSS-Check-allocation-result.patch)
> >
> > From b1d04686f085e25f10dde82f1e19c89278883001 Mon Sep 17 00:00:00 2001
> > From: Jakub Hrozek <jhrozek at redhat.com>
> > Date: Sun, 20 Oct 2013 19:24:04 +0200
> > Subject: [PATCH] NSS: Check allocation result
> >
> > ---
> > src/responder/nss/nsssrv_cmd.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/src/responder/nss/nsssrv_cmd.c
> > b/src/responder/nss/nsssrv_cmd.c
> > index
> > d37b4707cb734375011650632bca6d429042038c..a1938b2fc8d0a88460027d5f0d400f840fade02b 100644
> > --- a/src/responder/nss/nsssrv_cmd.c
> > +++ b/src/responder/nss/nsssrv_cmd.c
> > @@ -320,6 +320,7 @@ static int fill_pwent(struct sss_packet *packet,
> > for (i = 0; i < *count; i++) {
> > talloc_zfree(tmp_ctx);
> > tmp_ctx = talloc_new(NULL);
> > + if (tmp_ctx == NULL) return ENOMEM;
> >
> > msg = msgs[i];
> >
> > @@ -2325,6 +2326,7 @@ static int fill_grent(struct sss_packet *packet,
> > for (i = 0; i < *count; i++) {
> > talloc_zfree(tmp_ctx);
> > tmp_ctx = talloc_new(NULL);
> > + if (tmp_ctx == NULL) return ENOMEM;
> > msg = msgs[i];
> >
> > /* new group */
>
> Sorry to shot down another small fix, but I think what you want to do
> here is not talloc_zfree(tmp_ctx) + talloc_new(NULL), but rather use
> simply talloc_free_children(tmp_ctx);
>
> Simo.
OK, but that wasn't the point of the patch :-) The point was to check
result of allocation, which was missing.
I will prepare a new patch.
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