Re: Re: bin/59046: dhcpd issue

[6bone%6bone.informatik.uni-leipzig.de@localhost]

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Reading symbols from /usr/obj/external/mpl/dhcp/bin/server/dhcpd...
[New process 25706]
[New process 487]
[New process 13393]
[New process 27458]
[New process 4164]
[New process 6709]
[New process 10550]
[New process 11044]
[New process 13596]
[New process 597]
[New process 153]
[New process 15800]
[New process 21849]
Core was generated by `dhcpd'.
Program terminated with signal SIGSEGV, Segmentation fault.
[Current thread is 1 (process 25706)]
#0  0x00007bbf3510f8e8 in free () from /usr/lib/libc.so.12
#1  0x00000001a9695d28 in dfree (ptr=<optimized out>, file=<optimized out>,
    line=<optimized out>)
    at /usr/src/external/mpl/dhcp/lib/omapip/../../dist/omapip/alloc.c:208
#2  0x00000001a9666998 in buffer_dereference (ptr=ptr@entry=0x7bbf2dfefc80,
    file=file@entry=0x1a9852728 "/usr/src/external/mpl/dhcp/bin/server/../../dist/server/dhcpv6.c", line=line@entry=7807)
    at /usr/src/external/mpl/dhcp/lib/common/../../dist/common/alloc.c:757
#3  0x00000001a966754c in data_string_forget (data=data@entry=0x7bbf2dfefc80,
    file=file@entry=0x1a9852728 "/usr/src/external/mpl/dhcp/bin/server/../../dist/server/dhcpv6.c", line=line@entry=7807)
    at /usr/src/external/mpl/dhcp/lib/common/../../dist/common/alloc.c:1350
#4  0x00000001a963105a in dhcpv6 (packet=0x7bbf3888f000)
    at /usr/src/external/mpl/dhcp/bin/server/../../dist/server/dhcpv6.c:7807
#5  0x00000001a96744a4 in do_packet6 (interface=<optimized out>,
    packet=0x7bbf2dfefde0 "\f", len=164, from_port=8962, from=<optimized out>,
    was_unicast=<optimized out>)
    at /usr/src/external/mpl/dhcp/lib/common/../../dist/common/options.c:4236
#6  0x00000001a965e10f in got_one_v6 (h=<optimized out>)
    at /usr/src/external/mpl/dhcp/lib/common/../../dist/common/discover.c:1219
#7  0x00000001a9691f2a in omapi_iscsock_cb (task=<optimized out>,
    socket=<optimized out>, cbarg=0x7bbf3a0fc180, flags=1)
    at /usr/src/external/mpl/dhcp/lib/omapip/../../dist/omapip/dispatch.c:172
#8  0x00000001a980d834 in internal_fdwatch_read (sock=0x7bbf3a0bf700)
    at /usr/src/external/mpl/dhcp/bind/lib/libisc/../../dist/lib/isc/unix/socket.c:3208
#9  dispatch_recv (sock=0x7bbf3a0bf700)
    at /usr/src/external/mpl/dhcp/bind/lib/libisc/../../dist/lib/isc/unix/socket.c:2718
#10 process_fd (writeable=<optimized out>, readable=<optimized out>,
    fd=<optimized out>, thread=0x7bbf3a148ca0)
    at /usr/src/external/mpl/dhcp/bind/lib/libisc/../../dist/lib/isc/unix/socket.c:3279
#11 process_fds (nevents=<optimized out>, events=<optimized out>,
    thread=0x7bbf3a148ca0)
    at /usr/src/external/mpl/dhcp/bind/lib/libisc/../../dist/lib/isc/unix/socket.c:3326
#12 netthread (uap=0x7bbf3a148ca0)
    at /usr/src/external/mpl/dhcp/bind/lib/libisc/../../dist/lib/isc/unix/socket.c:3613
#13 0x00000001a9837713 in isc__trampoline_run (arg=0x7bbf3a13aa30)
    at /usr/src/external/mpl/dhcp/bind/lib/libisc/../../dist/lib/isc/trampoline.c:215
#14 0x00007bbf3960c89f in ?? () from /usr/lib/libpthread.so.1
#15 0x00007bbf350930e0 in ?? () from /usr/lib/libc.so.12
#16 0x0000000000200000 in ?? ()
#17 0x0000000000000000 in ?? ()

Last log entry before the crash was:
Client 00:01:00:01:27:3e:db:f2:b0:5c:da:40:02:08 releases address 2001:638:902:200c::1269
Sending Relay-reply to 2001:638:902:1::1 port 547


Regards
Uwe


On Sat, 8 Feb 2025, Christos Zoulas wrote:

> Can you compile with -g (symbols)? I can't tell which call is that.
>
> Thanks,
>
> christos