https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241191
Michael <michael....@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |michael....@gmail.com
--- Comment #7 from Michael <michael....@gmail.com> ---
FreeBSD 14.0-CURRENT (GENERIC)
All parameters are default.
In /boot/loader.conf -> if_wg_load="YES"
In /etc/rc.conf -> wireguard_interfaces="wg0 wg1 wg2 wg3"
In wg0.conf ... wg3.conf (almost everything is identical) :
[Interface]
Address = 10.127.0.9/30
PrivateKey = xxxx...xxxx=
ListenPort = 46010
Table = off
[Peer]
PublicKey = yyyy...yyyy=
AllowedIPs = 10.18.0.0/22, 10.127.0.8/30, 172.16.42.0/24
Endpoint = A.B.C.D:46010
PersistentKeepalive = 25
#> ifconfig
wg0: flags=80c1<UP,RUNNING,NOARP,MULTICAST> metric 0 mtu 1420
options=80000<LINKSTATE>
inet 10.127.0.9 netmask 0xfffffffc
groups: wg
nd6 options=109<PERFORMNUD,IFDISABLED,NO_DAD>
wg1: flags=80c1<UP,RUNNING,NOARP,MULTICAST> metric 0 mtu 1420
options=80000<LINKSTATE>
inet 10.127.0.13 netmask 0xfffffffc
groups: wg
nd6 options=109<PERFORMNUD,IFDISABLED,NO_DAD>
wg2: flags=80c1<UP,RUNNING,NOARP,MULTICAST> metric 0 mtu 1420
options=80000<LINKSTATE>
inet 10.127.0.17 netmask 0xfffffffc
groups: wg
nd6 options=109<PERFORMNUD,IFDISABLED,NO_DAD>
wg3: flags=80c1<UP,RUNNING,NOARP,MULTICAST> metric 0 mtu 1420
options=80000<LINKSTATE>
inet 10.127.0.21 netmask 0xfffffffc
groups: wg
nd6 options=109<PERFORMNUD,IFDISABLED,NO_DAD>
#> netstat -rn4
Routing tables
Internet:
Destination Gateway Flags Netif Expire
default E.F.G.H UGS hn1
10.127.0.8/30 link#7 U wg0
10.127.0.9 link#7 UHS lo0
10.127.0.12/30 link#8 U wg1
10.127.0.13 link#8 UHS lo0
10.127.0.16/30 link#9 U wg2
10.127.0.17 link#9 UHS lo0
10.127.0.20/30 link#10 U wg3
10.127.0.21 link#10 UHS lo0
51.83.179.112 link#5 UH hn1
51.83.236.254 link#5 UHS hn1
127.0.0.1 link#1 UH lo0
172.16.42.0/24 link#4 U hn0
172.16.42.2 link#4 UHS lo0
Let's try to delete a non-existing route:
#> route delete 10.18.0.0/22 10.127.0.10
route: route has not been found
delete net 10.18.0.0: gateway 10.127.0.10 fib 0: not in table
At this stage, everything is ok.
Adding routes:
route add 10.18.0.0/22 10.127.0.10
route add 10.18.0.0/22 10.127.0.14
route add 10.18.0.0/22 10.127.0.18
route add 10.18.0.0/22 10.127.0.22
#> netstat -rn4
Routing tables
Internet:
Destination Gateway Flags Netif Expire
default E.F.G.H UGS hn1
10.18.0.0/22 10.127.0.14 UGS wg1
10.18.0.0/22 10.127.0.10 UGS wg0
10.18.0.0/22 10.127.0.22 UGS wg3
10.18.0.0/22 10.127.0.18 UGS wg2
10.127.0.8/30 link#7 U wg0
10.127.0.9 link#7 UHS lo0
10.127.0.12/30 link#8 U wg1
10.127.0.13 link#8 UHS lo0
10.127.0.16/30 link#9 U wg2
10.127.0.17 link#9 UHS lo0
10.127.0.20/30 link#10 U wg3
10.127.0.21 link#10 UHS lo0
51.83.179.112 link#5 UH hn1
51.83.236.254 link#5 UHS hn1
127.0.0.1 link#1 UH lo0
172.16.42.0/24 link#4 U hn0
172.16.42.2 link#4 UHS lo0
In /var/log/messages -> the message appears:
kernel: FIB: enabled flowid calculation for locally-originated packets
Let's try to delete a existing one route:
#> route delete 10.18.0.0/22 10.127.0.10
delete net 10.18.0.0: gateway 10.127.0.10 fib 0
Let's try to delete a non-existing route (let's say we made a mistake in the
figure):
#> route delete 10.18.0.0/22 10.127.0.50
kernel: Fatal trap 12: page fault while in kernel mode
kernel: cpuid = 1; apic id = 01
kernel: fault virtual address = 0x18
kernel: fault code = supervisor read data, page not present
kernel: instruction pointer = 0x20:0xffffffff80d779f4
kernel: stack pointer = 0x28:0xfffffe00b54f14f0
kernel: frame pointer = 0x28:0xfffffe00b54f14f0
kernel: code segment = base 0x0, limit 0xfffff, type 0x1b
kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
kernel: processor eflags = interrupt enabled, resume, IOPL = 0
kernel: current process = 1648 (route)
kernel: trap number = 12
kernel: panic: page fault
kernel: cpuid = 1
kernel: time = 1620308885
kernel: KDB: stack backtrace:
kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe00b54f11a0
kernel: vpanic() at vpanic+0x181/frame 0xfffffe00b54f11f0
kernel: panic() at panic+0x43/frame 0xfffffe00b54f1250
kernel: trap_fatal() at trap_fatal+0x387/frame 0xfffffe00b54f12b0
kernel: trap_pfault() at trap_pfault+0x4f/frame 0xfffffe00b54f1310
kernel: trap() at trap+0x27d/frame 0xfffffe00b54f1420
kernel: calltrap() at calltrap+0x8/frame 0xfffffe00b54f1420
kernel: --- trap 0xc, rip = 0xffffffff80d779f4, rsp = 0xfffffe00b54f14f0, rbp =
0xfffffe00b54f14f0 ---
kernel: rt_get_inet_prefix_pmask() at rt_get_inet_prefix_pmask+0x4/frame
0xfffffe00b54f14f0
kernel: route_output() at route_output+0x17da/frame 0xfffffe00b54f17d0
kernel: sosend_generic() at sosend_generic+0x633/frame 0xfffffe00b54f1890
kernel: sosend() at sosend+0x50/frame 0xfffffe00b54f18c0
kernel: soo_write() at soo_write+0x49/frame 0xfffffe00b54f1900
kernel: dofilewrite() at dofilewrite+0x88/frame 0xfffffe00b54f1950
kernel: sys_write() at sys_write+0xbc/frame 0xfffffe00b54f19c0
kernel: amd64_syscall() at amd64_syscall+0x10c/frame 0xfffffe00b54f1af0
kernel: fast_syscall_common() at fast_syscall_common+0xf8/frame
0xfffffe00b54f1af0
kernel: --- syscall (4, FreeBSD ELF64, sys_write), rip = 0x8011ad8ea, rsp =
0x7fffffffe918, rbp = 0x7fffffffe9d0 ---
kernel: KDB: enter: panic
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