New subject: [Bug 1043758] machinectl pull-tar segfaults in tar_pull_job_on_finished

11 Jun 2017

      http://bugzilla.suse.com/show_bug.cgi?id=1043758

            Bug ID: 1043758
           Summary: machinectl pull-tar segfaults in
                    tar_pull_job_on_finished
    Classification: openSUSE
           Product: openSUSE Distribution
           Version: Leap 42.2
          Hardware: Other
                OS: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Basesystem
          Assignee: bnc-team-screening@forge.provo.novell.com
          Reporter: markos.chandras@suse.com
        QA Contact: qa-bugs@suse.de
          Found By: ---
           Blocker: ---

Up to date systemd on 42.2 segfaults when executing the following 'machinectl
pull-tar' command:

machinectl --force --verify=no pull-tar
https://images.linuxcontainers.org/images/opensuse/42.2/amd64/default/201705...
opensuse-42.2-amd64

dmesg gives me this

[  191.108292] BTRFS info (device sda2): quota is enabled
[  204.224466] systemd-pull[3073]: segfault at 188 ip 000055f40c29e9d9 sp
00007ffe7afc1650 error 4 in systemd-pull[55f40c295000+39000]

And no image was downloaded

vagrant-openSUSE-Leap:/home/vagrant # machinectl list-images -a
NAME  TYPE      RO  USAGE CREATED                      MODIFIED
.host subvolume no  1.6G  Sun 2017-06-11 16:52:17 CEST n/a     

1 images listed.

vagrant-openSUSE-Leap:/home/vagrant # systemctl --version
systemd 228
+PAM -AUDIT +SELINUX -IMA +APPARMOR -SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP
+GCRYPT -GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID -ELFUTILS +KMOD -IDN

Getting a backtrace with gdb shows me the following results

Program terminated with signal SIGSEGV, Segmentation fault.
#0  tar_pull_job_on_finished (j=0x55f40c5309b0) at src/import/pull-tar.c:310
310     src/import/pull-tar.c: No such file or directory.
(gdb) bt
#0  tar_pull_job_on_finished (j=0x55f40c5309b0) at src/import/pull-tar.c:310
#1  0x000055f40c2a438b in pull_job_curl_on_finished (g=<optimized out>,
curl=<optimized out>, result=<optimized out>)
    at src/import/pull-job.c:225
#2  0x000055f40c2a764d in curl_glue_check_finished (g=0x55f40c4f85e0) at
src/import/curl-util.c:41
#3  0x000055f40c2a76ea in curl_glue_on_io (s=<optimized out>, fd=<optimized
out>, revents=1, userdata=<optimized out>)
    at src/import/curl-util.c:67
#4  0x000055f40c2bd0d3 in source_dispatch (s=s@entry=0x55f40c55a300) at
src/libsystemd/sd-event/sd-event.c:2237
#5  0x000055f40c2bdf2a in sd_event_dispatch (e=e@entry=0x55f40c4f7df0) at
src/libsystemd/sd-event/sd-event.c:2601
#6  0x000055f40c2be0bd in sd_event_run (e=e@entry=0x55f40c4f7df0,
timeout=timeout@entry=18446744073709551615)
    at src/libsystemd/sd-event/sd-event.c:2629
#7  0x000055f40c2be1bf in sd_event_loop (e=0x55f40c4f7df0) at
src/libsystemd/sd-event/sd-event.c:2649
#8  0x000055f40c29bffc in pull_tar (argc=<optimized out>, argv=<optimized out>,
userdata=<optimized out>) at src/import/pull.c:130
#9  0x000055f40c2b95ea in dispatch_verb (argc=<optimized out>, argv=<optimized
out>, verbs=0x55f40c4ce120 <verbs>, userdata=0x0)
    at src/basic/verbs.c:82
#10 0x000055f40c29af2f in pull_main (argv=0x7ffe7afc19d8, argc=7) at
src/import/pull.c:444
#11 main (argc=7, argv=0x7ffe7afc19d8) at src/import/pull.c:460

Please let me know if you need more information

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