Bug#916678: systemd: Caught <SEGV>, dumped core as pid 2097

[Bernhard Übelacker]

Hello Cristian Ionescu-Idbohrn,

Am 18.12.2018 um 09:35 schrieb Cristian Ionescu-Idbohrn:
> On Mon, 17 Dec 2018, Bernhard Übelacker wrote:
>>
>> Hello Cristian Ionescu-Idbohrn,
>> following is what I get from a buster amd64 qemu VM,
>> with explicitly downgraded systemd packages to 239-13:
>>
>> It has quite a similarity to upstream bug [1].
>> And upstream received a fix for that just a few days ago,
>> and is therefore not yet contained in an upstream release.
> 
> Thanks.  So, this bug is present in 239-15 too and can bite again, 
> isn't it?

If this is really the same issues I assume yes.
Nothing in the changelog entries for -14 and -15 sound related.

I can assume this backtrace contains no private information and
could be forwarded to the bug?

>> [1] https://github.com/systemd/systemd/issues/10716
>>
>> (gdb) bt
>> #0  0x00007f2d9386bb37 in kill () at ../sysdeps/unix/syscall-template.S:78
>> #1  0x0000561672b85436 in crash (sig=11) at ../src/core/main.c:183
>> #2  <signal handler called>
>> #3  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:93
>> #4  0x00007f2d93680cb7 in message_append_basic (m=m at entry=0x561674c79870, type=<optimized out>, p=0xffffffffffffffff, stored=stored at entry=0x0) at ../src/basic/string-util.h:36
>> #5  0x00007f2d936812ab in sd_bus_message_append_basic (m=m at entry=0x561674c79870, type=<optimized out>, p=<optimized out>) at ../src/libsystemd/sd-bus/bus-message.c:1565
>> #6  0x00007f2d93681719 in sd_bus_message_appendv (m=0x561674c79870, types=<optimized out>, ap=ap at entry=0x7ffcabd85950) at ../src/libsystemd/sd-bus/bus-message.c:2358
>> #7  0x00007f2d93681cf9 in sd_bus_message_append (m=<optimized out>, types=<optimized out>) at ../src/libsystemd/sd-bus/bus-message.c:2473
>> #8  0x0000561672b01daf in send_removed_signal (bus=0x561674bb3130, userdata=0x561674c144f0) at ../src/core/job.c:1565
>> #9  0x0000561672b71dbf in bus_foreach_bus (m=0x561674ab5830, subscribed2=0x0, send_message=0x561672b01d00 <send_removed_signal>, userdata=0x561674c144f0) at ../src/core/dbus.c:1187
>> #10 0x0000561672b03f78 in bus_job_send_removed_signal (j=<optimized out>, j=<optimized out>) at ../src/core/dbus-job.c:225
>> #11 0x0000561672b8300e in manager_flush_finished_jobs (m=<optimized out>) at ../src/core/manager.c:3359
>> #12 manager_reload (m=0x561674ab5830) at ../src/core/manager.c:3477
>> #13 invoke_main_loop (m=0x561674ab5830, ret_reexecute=0x7ffcabd85c2a, ret_retval=0x7ffcabd85c2c, ret_shutdown_verb=<optimized out>, ret_fds=0x7ffcabd85c30, ret_switch_root_dir=0x7ffcabd85c58, ret_switch_root_init=0x7ffcabd85c50, ret_error_message=0x7ffcabd85c40) at ../src/core/main.c:1661
>> #14 0x0000561672ae4620 in main (argc=<optimized out>, argv=0x7ffcabd85f08) at ../src/core/main.c:2415

Kind regards,
Bernhard