Tom Gundersen <t...@jklm.no> schrieb: > On Sun, Mar 30, 2014 at 6:07 PM, Kai Krakow <hurikha...@gmail.com> wrote: >> Tom Gundersen <t...@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...
BTW: It works when running through valgrind: ==6041== Memcheck, a memory error detector ==6041== Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al. ==6041== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info ==6041== Command: /usr/lib/systemd/systemd-networkd ==6041== ==6041== Conditional jump or move depends on uninitialised value(s) ==6041== at 0x3C49617AB6: index (strchr.S:55) ==6041== by 0x3C49607A12: expand_dynamic_string_token (dl-load.c:431) ==6041== by 0x3C49608304: _dl_map_object (dl-load.c:2299) ==6041== by 0x3C4960181D: map_doit (rtld.c:626) ==6041== by 0x3C4960E985: _dl_catch_error (dl-error.c:177) ==6041== by 0x3C496010EF: do_preload (rtld.c:815) ==6041== by 0x3C496039D7: dl_main (rtld.c:1629) ==6041== by 0x3C496152B7: _dl_sysdep_start (dl-sysdep.c:241) ==6041== by 0x3C49604E94: _dl_start (rtld.c:331) ==6041== by 0x3C49601637: ??? (in /lib64/ld-2.17.so) ==6041== ==6041== Conditional jump or move depends on uninitialised value(s) ==6041== at 0x3C49617ABB: index (strchr.S:58) ==6041== by 0x3C49607A12: expand_dynamic_string_token (dl-load.c:431) ==6041== by 0x3C49608304: _dl_map_object (dl-load.c:2299) ==6041== by 0x3C4960181D: map_doit (rtld.c:626) ==6041== by 0x3C4960E985: _dl_catch_error (dl-error.c:177) ==6041== by 0x3C496010EF: do_preload (rtld.c:815) ==6041== by 0x3C496039D7: dl_main (rtld.c:1629) ==6041== by 0x3C496152B7: _dl_sysdep_start (dl-sysdep.c:241) ==6041== by 0x3C49604E94: _dl_start (rtld.c:331) ==6041== by 0x3C49601637: ??? (in /lib64/ld-2.17.so) ==6041== ==6041== Invalid read of size 8 ==6041== at 0x40C617: rtnl_message_parse (rtnl-message.c:1090) ==6041== by 0x40CB11: sd_rtnl_message_rewind (rtnl-message.c:1276) ==6041== by 0x40CDA4: socket_read_message (rtnl-message.c:1213) ==6041== by 0x417DE1: sd_rtnl_process (sd-rtnl.c:274) ==6041== by 0x4180C2: io_callback (sd-rtnl.c:764) ==6041== by 0x415C9D: source_dispatch (sd-event.c:1943) ==6041== by 0x416500: sd_event_run (sd-event.c:2225) ==6041== by 0x416A47: sd_event_loop (sd-event.c:2244) ==6041== by 0x40401B: main (networkd.c:108) ==6041== Address 0x4cd28e8 is 0 bytes after a block of size 264 alloc'd ==6041== at 0x4A07462: calloc (vg_replace_malloc.c:593) ==6041== by 0x40C59E: rtnl_message_parse (rtnl-message.c:1076) ==6041== by 0x40CB11: sd_rtnl_message_rewind (rtnl-message.c:1276) ==6041== by 0x40CDA4: socket_read_message (rtnl-message.c:1213) ==6041== by 0x417DE1: sd_rtnl_process (sd-rtnl.c:274) ==6041== by 0x4180C2: io_callback (sd-rtnl.c:764) ==6041== by 0x415C9D: source_dispatch (sd-event.c:1943) ==6041== by 0x416500: sd_event_run (sd-event.c:2225) ==6041== by 0x416A47: sd_event_loop (sd-event.c:2244) ==6041== by 0x40401B: main (networkd.c:108) ==6041== ==6041== Invalid write of size 8 ==6041== at 0x40C62E: rtnl_message_parse (rtnl-message.c:1093) ==6041== by 0x40CB11: sd_rtnl_message_rewind (rtnl-message.c:1276) ==6041== by 0x40CDA4: socket_read_message (rtnl-message.c:1213) ==6041== by 0x417DE1: sd_rtnl_process (sd-rtnl.c:274) ==6041== by 0x4180C2: io_callback (sd-rtnl.c:764) ==6041== by 0x415C9D: source_dispatch (sd-event.c:1943) ==6041== by 0x416500: sd_event_run (sd-event.c:2225) ==6041== by 0x416A47: sd_event_loop (sd-event.c:2244) ==6041== by 0x40401B: main (networkd.c:108) ==6041== Address 0x4cd28e8 is 0 bytes after a block of size 264 alloc'd ==6041== at 0x4A07462: calloc (vg_replace_malloc.c:593) ==6041== by 0x40C59E: rtnl_message_parse (rtnl-message.c:1076) ==6041== by 0x40CB11: sd_rtnl_message_rewind (rtnl-message.c:1276) ==6041== by 0x40CDA4: socket_read_message (rtnl-message.c:1213) ==6041== by 0x417DE1: sd_rtnl_process (sd-rtnl.c:274) ==6041== by 0x4180C2: io_callback (sd-rtnl.c:764) ==6041== by 0x415C9D: source_dispatch (sd-event.c:1943) ==6041== by 0x416500: sd_event_run (sd-event.c:2225) ==6041== by 0x416A47: sd_event_loop (sd-event.c:2244) ==6041== by 0x40401B: main (networkd.c:108) ==6041== enp4s0: link is up enp4s0: carrier on enp4s0: DHCPv4 address 192.168.4.45/24 via 192.168.4.254 enp4s0: link configured -- Replies to list only preferred. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
