Re: [PATCHv3 next] blackhole_netdev: fix syzkaller reported issue

2019-10-16 Thread महेश बंडेवार
On Tue, Oct 15, 2019 at 10:36 AM David Miller wrote: > > From: Mahesh Bandewar > Date: Fri, 11 Oct 2019 18:14:55 -0700 > > > While invalidating the dst, we assign backhole_netdev instead of > > loopback device. However, this device does not have idev pointer > > and hence no ip6_ptr even if IPv6

Re: [PATCHv3 next] blackhole_netdev: fix syzkaller reported issue

2019-10-15 Thread David Miller
From: Mahesh Bandewar Date: Fri, 11 Oct 2019 18:14:55 -0700 > While invalidating the dst, we assign backhole_netdev instead of > loopback device. However, this device does not have idev pointer > and hence no ip6_ptr even if IPv6 is enabled. Possibly this has > triggered the syzbot reported crash

[PATCHv3 next] blackhole_netdev: fix syzkaller reported issue

2019-10-11 Thread Mahesh Bandewar
While invalidating the dst, we assign backhole_netdev instead of loopback device. However, this device does not have idev pointer and hence no ip6_ptr even if IPv6 is enabled. Possibly this has triggered the syzbot reported crash. The syzbot report does not have reproducer, however, this is the on