Date: Fri, 28 Aug 2020 08:15:17 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 248958] pptpd + vlan panic Message-ID: <bug-248958-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248958 Bug ID: 248958 Summary: pptpd + vlan panic Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: manu@freebsd.org Tested on : FreeBSD 13.0-CURRENT #0 r364846: Thu Aug 27 05:10:55 UTC 2020 root@releng1.nyi.freebsd.org:/usr/obj/usr/src/amd64.amd64/sys/GENERIC a= md64 No modification, just installed from the latest snapshot (FreeBSD-13.0-CURRENT-amd64-20200827-r364846-memstick.img) Step to reproduce (No need of a pptp peer) : root@test:~ # sysrc network_interfaces=3Dix0 network_interfaces: auto -> ix0 root@test:~ # sysrc cloned_interfaces=3D"vlan666" cloned_interfaces: -> vlan666 root@test:~ # sysrc ifconfig_ix0=3D"up polling" ifconfig_ix0: DHCP -> up polling root@test:~ # sysrc ifconfig_vlan666=3D"vlan 666 vlandev ix0" ifconfig_vlan666: -> vlan 666 vlandev ix0 root@test:~ # sysrc ppp_enable=3D"YES" ppp_enable: NO -> YES root@test:~ # sysrc ppp_mode=3D"ddial" ppp_mode: auto -> ddial root@test:~ # sysrc ppp_nat=3D"NO" ppp_nat: YES -> NO root@test:~ # sysrc ppp_profile=3D"crash" ppp_profile: papchap -> crash root@test:~ # cat >> /etc/ppp/ppp.conf crash:=20 =C2=A0=C2=A0=C2=A0 set device PPPoE:vlan666 =C2=A0=C2=A0=C2=A0 set authname tutu@titi =C2=A0=C2=A0=C2=A0 set authkey zerosec =C2=A0=C2=A0=C2=A0 set dial =C2=A0=C2=A0=C2=A0 set login =C2=A0=C2=A0=C2=A0 set log phase tun command add default HISADDR ^D root@test:~ # service netif restart root@test:~ # service ppp restart Stopping PPP profile: crash. Starting PPP profile: crash. root@test:~ # WARNING: attempt to domain_add(netgraph) after domainfinalize= () panic: Assertion in_epoch(net_epoch_preempt) failed at /usr/src/sys/net/if_vlan.c:1156 cpuid =3D 2 time =3D 1598602352 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0066d41= 400 vpanic() at vpanic+0x182/frame 0xfffffe0066d41450 panic() at panic+0x43/frame 0xfffffe0066d414b0 vlan_transmit() at vlan_transmit+0x165/frame 0xfffffe0066d41500 ether_output_frame() at ether_output_frame+0xa2/frame 0xfffffe0066d41530 ng_apply_item() at ng_apply_item+0xa8/frame 0xfffffe0066d415b0 ng_snd_item() at ng_snd_item+0x2cf/frame 0xfffffe0066d415f0 ng_pppoe_rcvmsg() at ng_pppoe_rcvmsg+0xc9c/frame 0xfffffe0066d41660 ng_apply_item() at ng_apply_item+0x3e3/frame 0xfffffe0066d416e0 ng_snd_item() at ng_snd_item+0x2cf/frame 0xfffffe0066d41720 ngc_send() at ngc_send+0x19b/frame 0xfffffe0066d417c0 sosend_generic() at sosend_generic+0x49f/frame 0xfffffe0066d41870 sosend() at sosend+0x66/frame 0xfffffe0066d418a0 kern_sendit() at kern_sendit+0x1ec/frame 0xfffffe0066d41930 sendit() at sendit+0x1d8/frame 0xfffffe0066d41980 sys_sendto() at sys_sendto+0x4d/frame 0xfffffe0066d419d0 amd64_syscall() at amd64_syscall+0x140/frame 0xfffffe0066d41af0 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0066d41af0 --- syscall (133, FreeBSD ELF64, sys_sendto), rip =3D 0x8007f291a, rsp =3D 0x7fffffffd8a8, rbp =3D 0x7fffffffd8f0 --- KDB: enter: panic [ thread pid 2314 tid 100146 ] Stopped at kdb_enter+0x37: movq $0,0x10b7ad6(%rip) db> --=20 You are receiving this mail because: You are the assignee for the bug.=
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