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

[Tom Gundersen]

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...

> #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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