Bug#787473: systemd: Segfault while adding a new job

Sun Jul 5 13:16:32 BST 2015

Another systemd segfault.
I still didn't find a workaround for this problem and the reboots every
few days is getting quite annoying. :/ At least it looks like i am the
only one with this problem.
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Jul 02 06:32:05 Storage-Blue systemd[1]: Got message type=signal sender=org.freedesktop.DBus destination=n/a object=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameOwnerChanged cookie=11 reply_cookie=0 error=n/a
Jul 02 06:32:05 Storage-Blue systemd[1]: Got message type=signal sender=org.freedesktop.DBus destination=n/a object=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameOwnerChanged cookie=12 reply_cookie=0 error=n/a
Jul 02 06:32:42 Storage-Blue systemd[1]: Got notification message for unit systemd-logind.service
Jul 02 06:32:42 Storage-Blue systemd[1]: systemd-logind.service: Got notification message from PID 955 (WATCHDOG=1...)
Jul 02 06:32:42 Storage-Blue systemd[1]: systemd-logind.service: got WATCHDOG=1
Jul 02 06:32:42 Storage-Blue systemd[1]: Got notification message for unit systemd-logind.service
Jul 02 06:32:42 Storage-Blue systemd[1]: systemd-logind.service: Got notification message from PID 955 (WATCHDOG=1...)
Jul 02 06:32:42 Storage-Blue systemd[1]: systemd-logind.service: got WATCHDOG=1
Jul 02 06:32:42 Storage-Blue systemd[1]: Got notification message for unit systemd-journald.service
Jul 02 06:32:42 Storage-Blue systemd[1]: systemd-journald.service: Got notification message from PID 223 (WATCHDOG=1...)
Jul 02 06:32:42 Storage-Blue systemd[1]: systemd-journald.service: got WATCHDOG=1
Jul 02 06:32:42 Storage-Blue systemd[1]: Got notification message for unit systemd-journald.service
Jul 02 06:32:42 Storage-Blue systemd[1]: systemd-journald.service: Got notification message from PID 223 (WATCHDOG=1...)
Jul 02 06:32:42 Storage-Blue systemd[1]: systemd-journald.service: got WATCHDOG=1
Jul 02 06:32:46 Storage-Blue systemd[1]: Accepted new private connection.
Jul 02 06:32:46 Storage-Blue systemd[1]: Got message type=method_call sender=n/a destination=org.freedesktop.systemd1 object=/org/freedesktop/systemd1/unit/rsyslog_2eservice interface=org.freedesktop.DBus.Properties member=GetAll cookie=1 reply_cookie=0 error=n/a
Jul 02 06:32:46 Storage-Blue systemd[1]: Caught <SEGV>, dumped core as pid 2571.
Jul 02 06:32:46 Storage-Blue systemd[1]: Freezing execution.
Jul 02 06:33:12 Storage-Blue dbus[950]: [system] Failed to activate service 'org.freedesktop.systemd1': timed out


$ ls -la /core
-rw------- 1 root root 1855488 Jul  2 06:32 /core


$ sudo gdb /lib/systemd/systemd /core
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
[...]
[New LWP 2571]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabi/libthread_db.so.1".
Core was generated by `/sbin/init'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0xb6dd8198 in raise (sig=11) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37
37      ../nptl/sysdeps/unix/sysv/linux/pt-raise.c: No such file or directory.
(gdb) bt
#0  0xb6dd8198 in raise (sig=11) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37
#1  0xb6e378f0 in crash.lto_priv.245 (sig=11) at ../src/core/main.c:158
#2  <signal handler called>
#3  hashmap_iterate (h=0xb7eb7830, i=i at entry=0xbef2f200, key=key at entry=0x0) at ../src/shared/hashmap.c:704
#4  0xb6e964b4 in set_iterate (s=<optimized out>, i=i at entry=0xbef2f200) at ../src/shared/set.c:91
#5  0xb6ea11fc in property_get_names.lto_priv.797 (bus=<optimized out>, path=<optimized out>, interface=<optimized out>,
    property=<optimized out>, reply=0xb7f13398, userdata=0xb7ead348, error=0xbef2f30c) at ../src/core/dbus-unit.c:59
#6  0xb6eaade4 in invoke_property_get (bus=bus at entry=0xb7f1ff10, slot=slot at entry=0xb7f149d0,
    v=v at entry=0xb6f47660 <bus_unit_vtable+64>,
    path=path at entry=0xb7f10858 "/org/freedesktop/systemd1/unit/rsyslog_2eservice",
    interface=0xb7f14a10 "org.freedesktop.systemd1.Unit", property=0xb6f1f268 "Names", reply=reply at entry=0xb7f13398,
    userdata=0xb7ead348, error=0xbef2f30c, error at entry=0xb6f47660 <bus_unit_vtable+64>)
    at ../src/libsystemd/sd-bus/bus-objects.c:447
#7  0xb6eab19c in vtable_append_one_property (bus=bus at entry=0xb7f1ff10, reply=reply at entry=0xb7f13398,
    path=path at entry=0xb7f10858 "/org/freedesktop/systemd1/unit/rsyslog_2eservice", c=c at entry=0xb7f149e8,
    v=v at entry=0xb6f47660 <bus_unit_vtable+64>, userdata=userdata at entry=0xb7ead348, error=error at entry=0xbef2f30c)
    at ../src/libsystemd/sd-bus/bus-objects.c:702
#8  0xb6eab39c in vtable_append_all_properties (bus=bus at entry=0xb7f1ff10, reply=0xb7f13398,
    path=0xb7f10858 "/org/freedesktop/systemd1/unit/rsyslog_2eservice", c=c at entry=0xb7f149e8, userdata=0xb7ead348,
    error=error at entry=0xbef2f30c) at ../src/libsystemd/sd-bus/bus-objects.c:745
#9  0xb6eaf8c8 in property_get_all_callbacks_run (found_object=0xbef2f40c, iface=0x0, require_fallback=true,
    first=<optimized out>, m=0xb7f131b0, bus=0xb7f1ff10) at ../src/libsystemd/sd-bus/bus-objects.c:806
#10 object_find_and_run.lto_priv.263 (bus=bus at entry=0xb7f1ff10, m=m at entry=0xb7f131b0,
    p=0x1 <error: Cannot access memory at address 0x1>, p at entry=0xbef2f398 "/org/freedesktop/systemd1/unit",
    require_fallback=require_fallback at entry=true, found_object=found_object at entry=0xbef2f40c)
    at ../src/libsystemd/sd-bus/bus-objects.c:1314
#11 0xb6e6a350 in bus_process_object (m=0xb7f131b0, bus=0xb7f1ff10) at ../src/libsystemd/sd-bus/bus-objects.c:1392
#12 process_message (m=0xb7f131b0, bus=0xb7f1ff10) at ../src/libsystemd/sd-bus/sd-bus.c:2394
#13 process_running (hint_priority=false, priority=0, ret=0x0, bus=0xb7f1ff10) at ../src/libsystemd/sd-bus/sd-bus.c:2436
#14 bus_process_internal.constprop.176 (bus=0xb7f1ff10, ret=0x0, priority=0, hint_priority=false)
    at ../src/libsystemd/sd-bus/sd-bus.c:2619
#15 0xb6e59640 in sd_bus_process (ret=0x0, bus=<optimized out>) at ../src/libsystemd/sd-bus/sd-bus.c:2638
#16 io_callback (s=<optimized out>, fd=<optimized out>, revents=<optimized out>, userdata=<optimized out>)
    at ../src/libsystemd/sd-bus/sd-bus.c:2897
#17 0xb6e45d10 in source_dispatch (s=0xb7f10b90) at ../src/libsystemd/sd-event/sd-event.c:2016
#18 0xb6e4b400 in sd_event_run (e=0xb7e73f50, timeout=<optimized out>) at ../src/libsystemd/sd-event/sd-event.c:2314
#19 0xb6e34394 in manager_loop (m=0xb7e73c08) at ../src/core/manager.c:2009
#20 main (argc=1, argv=0xbef2fe84) at ../src/core/main.c:1743
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