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

Cristian Ionescu-Idbohrn cristian.ionescu-idbohrn at axis.com
Mon Dec 17 18:21:54 GMT 2018


On Mon, 17 Dec 2018, Cristian Ionescu-Idbohrn wrote:
> On Mon, 17 Dec 2018, Michael Biebl wrote:
> > 
> > What's the output of
> > coredumpctl list
> 
> # coredumpctl list
> No coredumps found.
> 
> > ls -la /var/lib/systemd/coredump/
> 
> # ls -l /var/lib/systemd/coredump/
> -rw-r----- 1 root root 873282 Dec 16 17:16 core.systemd.0.829d81de299543c1a445874d1dd7660d.2097.1544976969000000.lz4
> 
> So, there seems to be one ;)  I'll send that to your private mail, in 
> case there's there's some private info in the core file.

There it is.

I tried gdb on that myself, but there are more unsatisfied 
dependencies after several other package upgrades:

# gdb /tmp/systemd_239-13/lib/systemd/systemd ./core.systemd.0.829d81de299543c1a445874d1dd7660d.2097.1544976969000000
GNU gdb (Debian 8.2-1) 8.2
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /tmp/systemd_239-13/lib/systemd/systemd...(no debugging symbols found)...done.
[New LWP 2097]

warning: .dynamic section for "/lib/x86_64-linux-gnu/libmount.so.1" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/lib/x86_64-linux-gnu/libcryptsetup.so.12" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/lib/x86_64-linux-gnu/libblkid.so.1" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/lib/x86_64-linux-gnu/libuuid.so.1" is not at the expected address (wrong library or version mismatch?)
[New LWP 1]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/lib/systemd/systemd --system --deserialize 44'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f2d9386bb37 in kill () at ../sysdeps/unix/syscall-template.S:78
78 ../sysdeps/unix/syscall-template.S: No such file or directory.
[Current thread is 1 (LWP 2097)]
(gdb) bt full
#0  0x00007f2d9386bb37 in kill () at ../sysdeps/unix/syscall-template.S:78
No locals.
#1  0x0000561672b85436 in ?? ()
No symbol table info available.
#2  <signal handler called>
No locals.
#3  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:93
No locals.
#4  0x00007f2d93680cb7 in ?? () from /lib/systemd/libsystemd-shared-239.so
No symbol table info available.
#5  0x00007f2d93681719 in sd_bus_message_appendv () from /lib/systemd/libsystemd-shared-239.so
No symbol table info available.
#6  0x00007f2d93681cf9 in sd_bus_message_append () from /lib/systemd/libsystemd-shared-239.so
No symbol table info available.
#7  0x0000561672b01daf in ?? ()
No symbol table info available.
#8  0x0000561672b71dbf in ?? ()
No symbol table info available.
#9  0x0000561672b03f78 in ?? ()
No symbol table info available.
#10 0x0000561672b8300e in ?? ()
No symbol table info available.
#11 0x0000561672ae4620 in ?? ()
No symbol table info available.
#12 0x00007f2d9385809b in __libc_start_main (main=0x561672ae2380, argc=4, argv=0x7ffcabd85f08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcabd85ef8) at ../csu/libc-start.c:308
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5667434972948496104, 94654413295664, 140723191570176, 0, 0, -2122168305918181096, -2076445778638700264}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffcabd85f30, 0x7f2d93a3e190}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1411883216}}}
        not_first_call = <optimized out>
#13 0x0000561672ae505a in ?? ()
No symbol table info available.
(gdb) quit


Cheers,

-- 
Cristian
-------------- next part --------------
A non-text attachment was scrubbed...
Name: core.systemd.0.829d81de299543c1a445874d1dd7660d.2097.1544976969000000.lz4
Type: application/octet-stream
Size: 873282 bytes
Desc: 
URL: <http://alioth-lists.debian.net/pipermail/pkg-systemd-maintainers/attachments/20181217/95222a09/attachment-0001.obj>


More information about the Pkg-systemd-maintainers mailing list