On Thu, Oct 15, 2020 at 7:41 PM syzbot <syzbot+5609d37b3a926aad75b7@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: e688c3db bpf: Fix register equivalence tracking. > git tree: bpf-next > console output: https://syzkaller.appspot.com/x/log.txt?x=13d3c678500000 > kernel config: https://syzkaller.appspot.com/x/.config?x=ea7dc57e899da16d > dashboard link: https://syzkaller.appspot.com/bug?extid=5609d37b3a926aad75b7 > compiler: gcc (GCC) 10.1.0-syz 20200507 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+5609d37b3a926aad75b7@xxxxxxxxxxxxxxxxxxxxxxxxx > > executing program > 2020/10/15 14:32:51 BUG: program execution failed: executor 0: exit status 67 > iptable checkpoint filter/2: getsockopt(IPT_SO_GET_INFO) (errno 22) > loop exited with status 67 > > iptable checkpoint filter/2: getsockopt(IPT_SO_GET_INFO) (errno 22) > loop exited with status 67 +netfilter maintainers It seems one of these recent commits broke netfiler. Since syzkaller uses netfiler for sandboxing, syzbot is currently down on bpf-next and linux-next. Other trees will follow once they merge the breakage. $ git log --format="%h %cd %s" net/netfilter/ller d483842df20a7 Thu Oct 15 13:12:59 2020 +1100 Merge remote-tracking branch 'net-next/master' into master a307b1b214d05 Thu Oct 15 09:21:35 2020 +1100 Merge remote-tracking branch 'wireless-drivers/master' into master 0d9826bc18ce3 Wed Oct 14 01:25:14 2020 +0200 netfilter: nf_log: missing vlan offload tag and proto 98a381a7d4892 Mon Oct 12 16:54:30 2020 +0200 netfilter: nftables: extend error reporting for chain updates 7980d2eabde82 Mon Oct 12 01:59:41 2020 +0200 ipvs: clear skb->tstamp in forwarding path 793d5d6124269 Mon Oct 12 01:58:10 2020 +0200 netfilter: flowtable: reduce calls to pskb_may_pull() d3519cb89f6d5 Mon Oct 12 01:57:34 2020 +0200 netfilter: nf_tables: add inet ingress support 60a3815da702f Mon Oct 12 01:57:34 2020 +0200 netfilter: add inet ingress support ddcfa710d40b3 Mon Oct 12 01:57:34 2020 +0200 netfilter: add nf_ingress_hook() helper function afd9024cd1fcf Mon Oct 12 01:57:34 2020 +0200 netfilter: add nf_static_key_{inc,dec} 073b04e76be6d Mon Oct 12 01:57:34 2020 +0200 ipvs: inspect reply packets from DR/TUN real servers 321e921daa05d Sun Oct 4 14:35:53 2020 -0700 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 10fdd6d80e4c2 Sun Oct 4 21:08:33 2020 +0200 netfilter: nf_tables: Implement fast bitwise expression 5f48846daf332 Sun Oct 4 21:08:32 2020 +0200 netfilter: nf_tables: Enable fast nft_cmp for inverted matches ab6c41eefd46b Sun Oct 4 21:08:32 2020 +0200 netfilter: nfnetlink: place subsys mutexes in distinct lockdep classes 9446ab34ace25 Sun Oct 4 21:08:25 2020 +0200 netfilter: ipset: enable memory accounting for ipset allocations 82ec6630f9fcd Sun Oct 4 21:07:55 2020 +0200 netfilter: nf_tables_offload: Remove unused macro FLOW_SETUP_BLOCK 66a9b9287d244 Fri Oct 2 19:11:11 2020 -0700 genetlink: move to smaller ops wherever possible > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/000000000000376ecf05b1b92848%40google.com.