Segmentation fault with latest master - PADR PPPOE

[micron10]

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Reading symbols from accel-ppp...
Starting program: /usr/sbin/accel-ppp -c /etc/accel-ppp/accel-ppp.conf -p /var/run/accel-ppp.pid
[New LWP 458190]
[New LWP 458191]
[New LWP 458192]
[New LWP 458193]
[New LWP 458194]
[New LWP 458195]
[New LWP 458196]
[New LWP 458197]
[New LWP 458198]
[New LWP 458199]
[New LWP 458200]
[New LWP 458201]
[New LWP 458202]
[New LWP 458203]
[New LWP 458204]
[New LWP 458205]

Thread 7 "accel-ppp" received signal SIGSEGV, Segmentation fault.
[Switching to LWP 458195]
allocate_channel (ppp_max_payload=0, cookie=, tr101=0x0,
service_name=, relay_sid=0x0, host_uniq=0x7fffd0002030,
addr=0x7fffd0002022 "\374\354\332f\365\272\210c\021\031", serv=0x467ee0)
at /build/accel-ppp-master/accel-pppd/ctrl/pppoe/pppoe.c:348
348 /build/accel-ppp-master/accel-pppd/ctrl/pppoe/pppoe.c: No such file or directory.
(gdb)
(gdb) bt full
#0 allocate_channel (ppp_max_payload=0, cookie=, tr101=0x0,
service_name=, relay_sid=0x0, host_uniq=0x7fffd0002030,
addr=0x7fffd0002022 "\374\354\332f\365\272\210c\021\031", serv=0x467ee0)
at /build/accel-ppp-master/accel-pppd/ctrl/pppoe/pppoe.c:348
conn = 0x7fffc00561b8
old_sid_ptr =
subscriber_tags =
conn =
old_sid_ptr =
subscriber_tags =
bit =
#1 pppoe_recv_PADR (size=,
pack=0x7fffd000201c "\254\037k\365{\322\374\354\332f\365\272\210c\021\031",
serv=0x467ee0)
at /build/accel-ppp-master/accel-pppd/ctrl/pppoe/pppoe.c:1299
service_name_tag =
service_match =
conn =
vendor_id =
ethhdr = 0x7fffd000201c
hdr = 0x7fffd000202a
tag =
host_uniq_tag = 0x7fffd0002030
ac_cookie_tag =
tr101_tag = 0x0
n =
ppp_max_payload = 0
relay_sid_tag = 0x0
ethhdr =
hdr =
tag =
host_uniq_tag =
relay_sid_tag =
ac_cookie_tag =
service_name_tag =
tr101_tag =
n =
service_match =
conn =
vendor_id =
ppp_max_payload =
svc_index =
#2 pppoe_serv_read (data=0x7fffd0002018 "V")
at /build/accel-ppp-master/accel-pppd/ctrl/pppoe/pppoe.c:1348
serv = 0x467ee0
pack = 0x7fffd000201c "\254\037k\365{\322\374\354\332f\365\272\210c\021\031"
hdr = 0x7fffd000202a
n =
#3 0x00007ffff7880d23 in ctx_thread (ctx=)
at /build/accel-ppp-master/accel-pppd/triton/triton.c:280
call = 0x7fffc8007358
tt = 1
h =
t =
events =
h =
t =
call =
tt =
--Type for more, q to quit, c to continue without paging--
events =
#4 triton_thread (thread=0x6310a0)
at /build/accel-ppp-master/accel-pppd/triton/triton.c:195
set = {__val = {516, 0 <repeats 15 times>}}
sig = 10
need_free =
stack = 0x0
#5 0x00007ffff76f383f in ?? () from /lib64/libc.so.6
No symbol table info available.
#6 0x00007ffff777f48c in ?? () from /lib64/libc.so.6
No symbol table info available.

i send tcpdump cap to @DmitriyEshenko from time of problem.

part of tcpdump :

ac:1f:6b:f5:7b:d2 > fc:ec:da:66:f5:ba, PPPoE D, length 42: PPPoE PADT [ses 0xd440] [AC-Name "ETEST"] [Service-Name "etest"]
fc:ec:da:66:f5:ba > ac:1f:6b:f5:7b:d2, PPPoE D, length 86: [type 6]PPPoE PADR [Host-Uniq 0xA047D70CF6D8000005000600] [AC-Cookie 0x4973E9E298F8F5230123C452F2CAC08F1F275BBAA5BBBD8D] [AC-Name "ET.EST"] [Service-Name "etest"]
fc:ec:da:66:f5:ba > ff:ff:ff:ff:ff:ff, PPPoE D, length 60: PPPoE PADI [Host-Uniq 0xA047D70CF6D8000005020600] [TAG-0x1101 "epcit.l"]
ac:1f:6b:f5:7b:d2 > fc:ec:da:66:f5:ba, PPPoE D, length 96: PPPoE PADO [AC-Name "ETEST"] [Service-Name "etest"] [Service-Name "den_01"] [AC-Cookie 0x4973E9E298F8F5230123C452F2CAC08F4176B1EF29091EF2] [Host-Uniq 0xA047D70CF6D8000005020600]
fc:ec:da:66:f5:ba > ac:1f:6b:f5:7b:d2, PPPoE D, length 86: PPPoE PADR [|pppoe]
fc:ec:da:66:f5:ba > ac:1f:6b:f5:7b:d2, PPPoE D, length 86: PPPoE PADR [Host-Uniq 0xA047D70CF6D8000005020600] [AC-Cookie 0x4973E9E298F8F5230123C452F2CAC08F447671EF29091EF2] [AC-Name "ETEST"] [TAG-0x501 "etest"]
fc:ec:da:66:f5:ba > ac:1f:6b:f5:7b:d2, PPPoE D, length 87: PPPoE PADR [Host-Uniq 0xA047DB0CF6D8000005020600] [AC-Cookie 0x4973E9E298F8F5230123C452F2CAC08F4176B1EF29091EF2] [AC-Name "ETEST"] [Service-Name "etest"]
fc:ec:da:66:f5:ba > ac:1f:6b:f5:7b:d2, PPPoE D, length 86: PPPoE PADR [Host-Uniq 0xA047D70CF6D8000005020600] [AC-Cookie 0x4973C9E298F8F5230123C452F2CAC08F4176B1EF29091EF2] [AC-Name "ETEST"] [Service-Name "etest"]
fc:ec:da:66:f5:ba > ac:1f:6b:f5:7b:d2, PPPoE D, length 86: PPPoE PADR [Host-Uniq 0xA047D70CF6D8000005020600] [AC-Cookie 0x4973E92298F8F5230123C452F2DACA8F4176B1EF29091EF2] [AC-Name "ETEST"] [|pppoe]
fc:ec:da:66:f5:ba > ff:ff:ff:ff:ff:ff, PPPoE D, length 60: PPPoE PADI [Host-Uniq 0xA047D70C06D8000005020600] [Service-Name "etest"]
fc:ec:da:66:f5:ba > ff:ff:ff:ff:fd:ff, PPPoE D, length 60: PPPoE PADI [Host-Uniq 0xA047D70CF6D8000005020600] [Service-Name "etest"]
fc:ec:da:66:f5:ba > ff:ff:ff:ff:ff:ff, PPPoE D, length 60: PPPoE PADI [Host-Uniq 0xA047D70CF6D8000005020600] [Service-Name "etest"]
fc:ec:da:66:f5:ba > ff:ff:ff:ff:ff:ff, PPPoE D, length 61: PPPoE PAD-61 [Host-Uniq 0xA047D70EF6D8000005020600] [Service-Name "e.est"] [|pppoe]
fc:ec:da:66:f5:ba > ff:ff:ff:ff:ff:ff, PPPoE D, length 62: PPPoE PADI [Host-Uniq 0xA047D70CF6D8000005020600] [|pppoe]

And last line from debug.log:

[2021-10-02 20:46:39.905] vlan1467: recv [PPPoE PADR fc:ec:da:66:f5:ba => ac:1f:6b:f5:7b:d2 sid=0000 <AC-Cookie 7c59a0a51bdb97a6cc6766d7a2c1edf70c16e2ba313d424a> <Unknown (401)>]