On 5/21/18 12:13 PM, Eric Dumazet wrote: > > > On 05/21/2018 11:09 AM, David Miller wrote: >> From: syzbot <syzbot+f116bc1994efe725d...@syzkaller.appspotmail.com> >> Date: Mon, 21 May 2018 11:05:02 -0700 >> >>> find_match+0x244/0x13a0 net/ipv6/route.c:691 >>> find_rr_leaf net/ipv6/route.c:729 [inline] >>> rt6_select net/ipv6/route.c:779 [inline] >> >> Hmmm, endless loop in find_rr_leaf or similar? >> > > > I do not think so, this really looks like SCTP specific > , we now have dozens of traces all sharing : > > sctp_transport_route+0xad/0x450 net/sctp/transport.c:293 > sctp_packet_config+0xb89/0xfd0 net/sctp/output.c:123 > sctp_outq_flush+0x79c/0x4370 net/sctp/outqueue.c:894 > sctp_outq_uncork+0x6a/0x80 net/sctp/outqueue.c:776 > sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1820 [inline] > sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline] > sctp_do_sm+0x596/0x7160 net/sctp/sm_sideeffect.c:1191 > sctp_generate_heartbeat_event+0x218/0x450 net/sctp/sm_sideeffect.c:406 > call_timer_fn+0x230/0x940 kernel/time/timer.c:1326 > > > Some kind of infinite loop. > > When the hrtimer fires, it can point to any code that sits below but does not > necessarily have a bug. >
Just so we are looking at the right tree, the original message shows: > HEAD commit: 771c577c23ba Linux 4.17-rc6 > git tree: upstream I take that to mean this is Linus' tree.
