[systemd-devel] [212] systemd-networkd crashes with simple network config

[Tom Gundersen]

On Sun, Mar 30, 2014 at 9:30 PM, Tom Gundersen <teg at jklm.no> wrote:
> On Sun, Mar 30, 2014 at 6:07 PM, Kai Krakow <hurikhan77 at gmail.com> wrote:
>> Tom Gundersen <teg at jklm.no> schrieb:
>>
>>>> Starting it from command line shows:
>>>>
>>>> # /usr/lib/systemd/systemd-networkd
>>>> enp4s0: link is up
>>>> enp4s0: carrier on
>>>> segmentation fault (core dumped)
>>>
>>> If you could reproduce this with debug symbols included, that would be
>>> very helpful (I cannot reproduce it here).
>>
>> I managed to get at least this backtrace. Somehow gdb did not autoload the
>> symbols for systemd from /usr/lib/debug/usr/lib/systemd...
>>
>> It is probably more helpful now (at least I hope).
>>
>> #0  0x0000003c49a82a7d in __libc_calloc (n=<optimized out>,
>> elem_size=<optimized out>) at malloc.c:3172
>>         av = 0x3c49da9640 <main_arena>
>>         oldtop = 0x6884d0
>>         p = <optimized out>
>>         bytes = 88
>>         sz = 88
>>         csz = <optimized out>
>>         oldtopsize = 23344
>>         mem = 0x6715f0
>>         clearsize = <optimized out>
>>         nclears = <optimized out>
>>         d = <optimized out>
>>         hook = <optimized out>
>>         __func__ = "__libc_calloc"
>
> Hm, so the segfault happens in glibc... It is triggered by us calling
> calloc(1, 88), which I think is a supported thing to do ;) At least as
> far as I can tell this is not a bug on our side...

Out of interest, what precise glibc version are you using?


-t

>> #1  0x000000000043a453 in dhcp_lease_new (ret=0x7fffffffd2f8) at
>> /var/tmp/portage/sys-apps/systemd-212/work/systemd-212/src/libsystemd-
>> network/sd-dhcp-lease.c:276
>>         lease = 0x0
>> #2  0x00000000006751f0 in ?? ()
>> No symbol table info available.
>> #3  0x0000000000448313 in client_handle_ack (len=303, ack=0x66dc5c,
>> client=<optimized out>)
>>     at /var/tmp/portage/sys-
>> apps/systemd-212/work/systemd-212/src/libsystemd-network/sd-dhcp-
>> client.c:724
>>         lease = 0x0
>>         r = <optimized out>
>> #4  client_handle_message (client=0x7fffffffd2f8, message=0x66dc5c, len=303)
>> at /var/tmp/portage/sys-apps/systemd-212/work/systemd-212/src/libsystemd-
>> network/sd-dhcp-client.c:993
>>         r = 0
>>         notify_event = 0
>>         __PRETTY_FUNCTION__ = "client_handle_message"
>>         __func__ = "client_handle_message"
>> #5  0x00000000006843ec in ?? ()
>> No symbol table info available.
>> #6  0x000000000066d0c0 in ?? ()
>> No symbol table info available.
>> #7  0x0000000000000000 in ?? ()
>> No symbol table info available.
>>
>>
>> --
>> Replies to list only preferred.
>>
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