Bug#887860: tracker-extract: repeated SIGSYS in execve()

Sat Jan 20 23:08:18 UTC 2018

Package: tracker-extract
Version: 1.10.5-1
Severity: normal

Dear Maintainer,

Every few days I find a core file in $HOME.  file(1) tells me they're
coming from tracker-extract.  I've taken a quick look at a couple with
gdb, and (IIRC), gdb has said each time that tracker-extract died with
SIGSYS in execve().

I haven't been able to determine if a particular file is causing the
crashes or if it's a more general problem.

Today I finally got around to getting a stack trace:

alto$ ls -l core
-rw------- 1 kupfer kupfer 192376832 Jan 20 07:29 core
alto$ file core
core: ELF 64-bit LSB core file x86-64, version 1 (SYSV), SVR4-style, from '/usr/lib/tracker/tracker-extract', real uid: 1000, effective uid: 1000, real gid: 1000, effective gid: 1000, execfn: '/usr/lib/tracker/tracker-extract', platform: 'x86_64'
alto$ gdb /usr/lib/tracker/tracker-extract core
GNU gdb (Debian 7.12-6) 7.12.0.20161007-git
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and "show warranty" for details.
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Reading symbols from /usr/lib/tracker/tracker-extract...(no debugging symbols found)...done.

warning: core file may not match specified executable file.
[New LWP 11353]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/lib/tracker/tracker-extract'.
Program terminated with signal SIGSYS, Bad system call.
#0  0x00007fde9d6c3677 in execve () at ../sysdeps/unix/syscall-template.S:84
84	../sysdeps/unix/syscall-template.S: No such file or directory.
(gdb) bt
#0  0x00007fde9d6c3677 in execve () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fde9d6c376f in execv (path=<optimized out>, argv=<optimized out>)
    at execv.c:25
#2  0x00007fde9dc5c31e in g_execute (search_path_from_envp=0, search_path=0, envp=0x0, argv=0x7fde6bb198b0, file=0x7fde641bb000 "/usr/lib/x86_64-linux-gnu/gstreamer1.0/gstreamer-1.0/gst-plugin-scanner") at ././glib/gspawn.c:1680
#3  0x00007fde9dc5c31e in do_exec (child_err_report_fd=18, stdin_fd=<optimized out>, stdout_fd=22, stderr_fd=-1, working_directory=working_directory at entry=0x0, argv=argv at entry=0x7fde6bb198b0, envp=0x0, close_descriptors=1, search_path=0, search_path_from_envp=0, stdout_to_null=0, stderr_to_null=0, child_inherits_stdin=0, file_and_argv_zero=0, child_setup=0x0, user_data=0x0)
    at ././glib/gspawn.c:1229
#4  0x00007fde9dc5cb01 in fork_exec_with_pipes (intermediate_child=intermediate_child at entry=0, working_directory=working_directory at entry=0x0, argv=argv at entry=0x7fde6bb198b0, envp=envp at entry=0x0, close_descriptors=close_descriptors at entry=1, search_path=search_path at entry=0, search_path_from_envp=0, stdout_to_null=0, stderr_to_null=0, child_inherits_stdin=0, file_and_argv_zero=0, cloexec_pipes=0, child_setup=0x0, user_data=0x0, child_pid=0x7fde6400a6d4, standard_input=0x7fde6400a6d8, standard_output=0x7fde6400a6e0, standard_error=0x0, error=0x0)
    at ././glib/gspawn.c:1426
#5  0x00007fde9dc5d545 in g_spawn_async_with_pipes (working_directory=working_directory at entry=0x0, argv=argv at entry=0x7fde6bb198b0, envp=envp at entry=0x0, flags=flags at entry=G_SPAWN_DO_NOT_REAP_CHILD, child_setup=child_setup at entry=0x0, user_dat---Type <return> to continue, or q <return> to quit---
a=user_data at entry=0x0, child_pid=0x7fde6400a6d4, standard_input=0x7fde6400a6d8, standard_output=0x7fde6400a6e0, standard_error=0x0, error=0x0)
    at ././glib/gspawn.c:656
#6  0x00007fde70930ea9 in gst_plugin_loader_try_helper (loader=loader at entry=0x7fde6400a6c0, location=location at entry=0x7fde641bb000 "/usr/lib/x86_64-linux-gnu/gstreamer1.0/gstreamer-1.0/gst-plugin-scanner") at gstpluginloader.c:431
#7  0x00007fde70930fd1 in gst_plugin_loader_spawn (loader=0x7fde6400a6c0)
    at gstpluginloader.c:494
#8  0x00007fde70931555 in gst_plugin_loader_spawn (loader=0x7fde6400a6c0)
    at gstpluginloader.c:258
#9  0x00007fde70931555 in plugin_loader_load (loader=0x7fde6400a6c0, filename=0x7fde641b92c0 "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so", file_size=732184, file_mtime=1487860804) at gstpluginloader.c:228
#10 0x00007fde7093a73c in gst_registry_scan_plugin_file (context=context at entry=0x7fde6bb19b00, filename=filename at entry=0x7fde641b92c0 "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so", file_size=732184, file_mtime=1487860804)
    at gstregistry.c:1176
#11 0x00007fde7093b8a1 in gst_registry_scan_path_level (context=context at entry=0x7fde6bb19b00, path=path at entry=0x7fde70994928 "/usr/lib/x86_64-linux-gnu/gstreamer-1.0", level=level at entry=10) at gstregistry.c:1352
#12 0x00007fde7093ba76 in gst_registry_scan_path_internal (context=context at entry=0x7fde6bb19b00, path=path at entry=0x7fde70994928 "/usr/lib/x86_64-linux-gnu/gstreamer-1.0") at gstregistry.c:1379
---Type <return> to continue, or q <return> to quit---
#13 0x00007fde7093d6c4 in scan_and_update_registry (write_changes=1, error=0x7fde6bb19af8, registry_file=0x7fde6400dd80 "/home/kupfer/.cache/gstreamer-1.0/registry.x86_64.bin", default_registry=0x55a9e1195f40 [GstRegistry])
    at gstregistry.c:1675
#14 0x00007fde7093d6c4 in ensure_current_registry (error=0x7fde6bb19af8)
    at gstregistry.c:1767
#15 0x00007fde7093d6c4 in gst_update_registry () at gstregistry.c:1843
#16 0x00007fde708d820e in init_post (context=<optimized out>, group=<optimized out>, data=<optimized out>, error=<optimized out>) at gst.c:716
#17 0x00007fde9dc21b08 in g_option_context_parse (context=context at entry=0x7fde64008d10, argc=argc at entry=0x0, argv=argv at entry=0x0, error=error at entry=0x7fde6bb19c70) at ././glib/goption.c:2165
#18 0x00007fde708d8bdf in gst_init_check (argc=0x0, argv=0x0, err=0x7fde6bb19c70) at gst.c:353
#19 0x00007fde708d8c34 in gst_init (argc=<optimized out>, argv=<optimized out>)
    at gst.c:399
#20 0x00007fde7103f916 in  ()
    at /usr/lib/x86_64-linux-gnu/tracker-1.0/extract-modules/libextract-gstreamer.so
#21 0x00007fde71040e80 in tracker_extract_get_metadata ()
    at /usr/lib/x86_64-linux-gnu/tracker-1.0/extract-modules/libextract-gstreamer.so
#22 0x000055a9df11578c in  ()
---Type <return> to continue, or q <return> to quit---
#23 0x000055a9df115df3 in  ()
#24 0x000055a9df115e50 in  ()
#25 0x00007fde9dc3d3d5 in g_thread_proxy (data=0x55a9e11894a0)
    at ././glib/gthread.c:784
#26 0x00007fde9d9b2494 in start_thread (arg=0x7fde6bb1a700)
    at pthread_create.c:333
#27 0x00007fde9d6f3aff in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

-- System Information:
Debian Release: 9.3
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-5-amd64 (SMP w/6 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages tracker-extract depends on:
ii  libc6                           2.24-11+deb9u1
ii  libcue1                         1.4.0-1
ii  libflac8                        1.3.2-1
ii  libgif7                         5.1.4-0.4
ii  libglib2.0-0                    2.50.3-2
ii  libgsf-1-114                    1.14.41-1
ii  libgstreamer-plugins-base1.0-0  1.10.4-1
ii  libgstreamer1.0-0               1.10.4-1
ii  libgxps2                        0.2.4-1+b1
ii  libjpeg62-turbo                 1:1.5.1-2
ii  libosinfo-1.0-0                 1.0.0-2
ii  libpng16-16                     1.6.28-1
ii  libpoppler-glib8                0.48.0-2+deb9u1
ii  libtiff5                        4.0.8-2+deb9u1
ii  libtotem-plparser18             3.10.7-1+b1
ii  libtracker-miner-1.0-0          1.10.5-1
ii  libtracker-sparql-1.0-0         1.10.5-1
ii  libvorbisfile3                  1.3.5-4
ii  libxml2                         2.9.4+dfsg1-2.2+deb9u2
ii  tracker                         1.10.5-1

tracker-extract recommends no packages.

tracker-extract suggests no packages.

-- no debconf information