> -----Original Message----- > From: linux-rdma-owner@xxxxxxxxxxxxxxx <linux-rdma- > owner@xxxxxxxxxxxxxxx> On Behalf Of Jason Gunthorpe > Sent: Wednesday, October 3, 2018 9:48 PM > To: Parav Pandit <parav@xxxxxxxxxxxx> > Cc: linux-rdma@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > leon@xxxxxxxxxx; Daniel Jurgens <danielj@xxxxxxxxxxxx>; > dledford@xxxxxxxxxx > Subject: Re: [PATCHv1] RDMA/core: Check error status of > rdma_find_ndev_for_src_ip_rcu > > On Thu, Oct 04, 2018 at 02:28:54AM +0000, Parav Pandit wrote: > > Hi Doug, Jason, > > > > > From: Parav Pandit <parav@xxxxxxxxxxxx> > > > Sent: Friday, September 21, 2018 10:00 AM > > > To: linux-rdma@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > > > leon@xxxxxxxxxx; jgg@xxxxxxxx; syzkaller-bugs@xxxxxxxxxxxxxxxx; > > > Daniel Jurgens <danielj@xxxxxxxxxxxx>; dledford@xxxxxxxxxx > > > Cc: Parav Pandit <parav@xxxxxxxxxxxx> > > > Subject: [PATCHv1] RDMA/core: Check error status of > > > rdma_find_ndev_for_src_ip_rcu > > > > > > rdma_find_ndev_for_src_ip_rcu() returns either valid netdev pointer > > > or ERR_PTR(). > > > Instead of checking for NULL, check for error. > > > > > > Fixes: caf1e3ae9fa6 ("RDMA/core Introduce and use > > > rdma_find_ndev_for_src_ip_rcu") > > > Reported-by: syzbot+20c32fa6ff84a2d28c36@xxxxxxxxxxxxxxxxxxxxxxxxx > > > Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx> > > > drivers/infiniband/core/addr.c | 4 ++-- > > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > > > diff --git a/drivers/infiniband/core/addr.c > > > b/drivers/infiniband/core/addr.c index c2ca9e4..3c07eeb 100644 > > > +++ b/drivers/infiniband/core/addr.c > > > @@ -513,8 +513,8 @@ static int rdma_set_src_addr_rcu(struct > > > rdma_dev_addr *dev_addr, > > > * loopback IP address. > > > */ > > > ndev = rdma_find_ndev_for_src_ip_rcu(dev_net(ndev), > > > dst_in); > > > - if (!ndev) > > > - return -ENODEV; > > > + if (IS_ERR(ndev)) > > > + return PTR_ERR(ndev); > > > } > > > > > > return copy_src_l2_addr(dev_addr, dst_in, dst, ndev); > > > > Can you please review this fix? I got below report from syzbot that > > it tested the patch and reproducer didn't trigger. > > It is very strange, but this patch does not show up in rdma's patch works. > > This happened to Dennis as well for one patch, I'm afraid as a general rule, > people will need to check that patchworks has thier patches, and maybe talk > to LF IT about why things have gone missing. > > I would guess it is some spam filter issue? Not sure, may be something wrong in my mail client configuration. Most patches are through Leon so I will continue it that way for now. > > I have applied this patch from my email. Thanks a lot.