Date: Thu, 15 Jun 2017 20:14:21 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-pf@FreeBSD.org Subject: [Bug 219803] [patch] PF: implement RFC 4787 REQ 1 and 3 (full cone NAT) Message-ID: <bug-219803-17777-ztAOoBZila@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-219803-17777@https.bugs.freebsd.org/bugzilla/> References: <bug-219803-17777@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219803 --- Comment #6 from Kristof Provost <kp@freebsd.org> --- With this patch my gateway box (pf and vimage jails) panics pretty quickly during boot. #0 doadump (textdump=3D0) at pcpu.h:232 #1 0xffffffff803a4c2b in db_dump (dummy=3D<value optimized out>, dummy2=3D= <value optimized out>, dummy3=3D<value optimized out>, dummy4=3D<value optimized o= ut>) at /usr/src/sys/ddb/db_command.c:546 #2 0xffffffff803a4a1f in db_command (cmd_table=3D<value optimized out>) at /usr/src/sys/ddb/db_command.c:453 #3 0xffffffff803a4754 in db_command_loop () at /usr/src/sys/ddb/db_command.c:506 #4 0xffffffff803a781f in db_trap (type=3D<value optimized out>, code=3D<va= lue optimized out>) at /usr/src/sys/ddb/db_main.c:248 #5 0xffffffff80a9bd33 in kdb_trap (type=3D12, code=3D0, tf=3D<value optimi= zed out>) at /usr/src/sys/kern/subr_kdb.c:654 #6 0xffffffff80efb4f2 in trap_fatal (frame=3D0xfffffe022fefaf50, eva=3D48)= at /usr/src/sys/amd64/amd64/trap.c:796 #7 0xffffffff80efb5a2 in trap_pfault (frame=3D0xfffffe022fefaf50, usermode= =3D0) at pcpu.h:232 #8 0xffffffff80efad3d in trap (frame=3D0xfffffe022fefaf50) at /usr/src/sys/amd64/amd64/trap.c:421 #9 0xffffffff80edcf31 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236 #10 0xffffffff8267409a in pf_addrcpy (dst=3D0x30, src=3D0xfffff8002d09f590,= af=3D2 '\002') at pcpu.h:231 #11 0xffffffff82689ead in pf_get_translation (pd=3D0xfffffe022fefc351, m=3D= <value optimized out>, off=3D<value optimized out>, direction=3D2, kif=3D<value op= timized out>, sn=3D0xfffffe022fefb438, skp=3D<value optimized out>, nkp=3D<value opti= mized out>, saddr=3D<value optimized out>, daddr=3D<value optimized out>, sport= =3D<value optimized out>, dport=3D<value optimized out>, anchor_stack=3D<value optimized out>) at /usr/src/sys/netpfil/pf/pf_lb.c:262 #12 0xffffffff8267dd08 in pf_test_rule (rm=3D0xfffffe022fefb6d0, sm=3D0xfffffe022fefb6e0, direction=3D2, kif=3D0xfffff80006dddb00, m=3D0xfffff8002d23f000, off=3D20, pd=3D<value optimized out>, am=3D0xfffffe022fefb6a0, inp=3D<value optim= ized out>) at /usr/src/sys/netpfil/pf/pf.c:3336 #13 0xffffffff8267af11 in pf_test (dir=3D<value optimized out>, ifp=3D<value optimized out>, m0=3D<value optimized out>, inp=3D0x0) at /usr/src/sys/netpfil/pf/pf.c:6088 #14 0xffffffff8268cd9d in pf_check_out (arg=3D<value optimized out>, m=3D0xfffffe022fefb7c0, ifp=3D<value optimized out>, dir=3D<value optimized= out>, inp=3D<value optimized out>) at /usr/src/sys/netpfil/pf/pf_ioctl.c:3582 #15 0xffffffff80b74314 in pfil_run_hooks (ph=3D0xfffffe0000de7a18, mp=3D0xfffffe022fefb818, ifp=3D0xfffff80006e1d800, dir=3D2, inp=3D0x0) at /usr/src/sys/net/pfil.c:108 #16 0xffffffff80bdbf80 in ip_tryforward (m=3D0xfffff8002d23f000) at /usr/src/sys/netinet/ip_fastfwd.c:306 #17 0xffffffff80bde9f1 in ip_input (m=3D0xfffff8002d23f000) at /usr/src/sys/netinet/ip_input.c:570 #18 0xffffffff80b731bf in netisr_dispatch_src (proto=3D1, source=3D0, m=3D0xfffff8002d23f000) at /usr/src/sys/net/netisr.c:1120 #19 0xffffffff80b593be in ether_demux (ifp=3D0xfffff80006e1c000, m=3D<value optimized out>) at /usr/src/sys/net/if_ethersubr.c:848 #20 0xffffffff80b5a3f2 in ether_nh_input (m=3D<value optimized out>) at /usr/src/sys/net/if_ethersubr.c:637 #21 0xffffffff80b731bf in netisr_dispatch_src (proto=3D5, source=3D0, m=3D0xfffff8002d23f000) at /usr/src/sys/net/netisr.c:1120 #22 0xffffffff80b5977f in ether_input (ifp=3D0xfffff80006e1c000, m=3D0x0) at /usr/src/sys/net/if_ethersubr.c:757 #23 0xffffffff80b54d6a in if_input (ifp=3D<value optimized out>, sendmp=3D<= value optimized out>) at /usr/src/sys/net/if.c:3993 #24 0xffffffff804ff9cc in bge_rxeof () at /usr/src/sys/dev/bge/if_bge.c:4424 #25 0xffffffff804fd0d2 in bge_intr_task (arg=3D0xfffffe0000fe5000, pending= =3D<value optimized out>) at /usr/src/sys/dev/bge/if_bge.c:4654 #26 0xffffffff80aae22d in taskqueue_run_locked (queue=3D0xfffff80005637400)= at /usr/src/sys/kern/subr_taskqueue.c:454 #27 0xffffffff80aaefe8 in taskqueue_thread_loop (arg=3D<value optimized out= >) at /usr/src/sys/kern/subr_taskqueue.c:746 #28 0xffffffff80a1ab44 in fork_exit (callout=3D0xffffffff80aaef60 <taskqueue_thread_loop>, arg=3D0xfffffe0000fec568, frame=3D0xfffffe022fefbc= 00) at /usr/src/sys/kern/kern_fork.c:1038 #29 0xffffffff80edd46e in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:611 #30 0x0000000000000000 in ?? () ... #11 0xffffffff82689ead in pf_get_translation (pd=3D0xfffffe022fefc351, m=3D= <value optimized out>, off=3D<value optimized out>, direction=3D2, kif=3D<value op= timized out>, sn=3D0xfffffe022fefb438, skp=3D<value optimized out>, nkp=3D<value opti= mized out>, saddr=3D<value optimized out>, daddr=3D<value optimized out>, sport= =3D<value optimized out>, dport=3D<value optimized out>, anchor_stack=3D<value optimized out>) at /usr/src/sys/netpfil/pf/pf_lb.c:262 262 PF_ACPY(&(*udp_mapping)->endpoints[1].addr, naddr, = af); (kgdb) p udp_mapping Cannot access memory at address 0x0 (kgdb) I'm not quite sure how that happens, but it's easy to reproduce. My pf.conf is a pretty typical gateway config. A nat rule and a couple of r= dr rules (including for UDP). --=20 You are receiving this mail because: You are the assignee for the bug.=
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