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Bug 687640 - [abrt] Crash in caldav's initialize_backend()
[abrt] Crash in caldav's initialize_backend()
Status: RESOLVED FIXED
Product: evolution-data-server
Classification: Platform
Component: Calendar
3.10.x (obsolete)
Other Linux
: Normal critical
: ---
Assigned To: evolution-calendar-maintainers
Evolution QA team
evolution[caldav]
Depends on:
Blocks:
 
 
Reported: 2012-11-05 13:41 UTC by Milan Crha
Modified: 2014-01-15 13:51 UTC
See Also:
GNOME target: ---
GNOME version: ---

Attachments
backtrace from evolution-data-server-3.10.2-2 on Fedora 19 (37.12 KB, text/plain)
2013-11-27 22:05 UTC, David Juran 		Details

Description Milan Crha 2012-11-05 13:41:17 UTC 
Moving this from a downstream bug report:
https://bugzilla.redhat.com/show_bug.cgi?id=872652

Version-Release number of selected component:
evolution-data-server-3.6.1-1.fc18

Additional info:
libreport version: 2.0.18
abrt_version:   2.0.18
backtrace_rating: 4
cmdline:        /usr/libexec/evolution-calendar-factory
crash_function: initialize_backend
kernel:         3.6.5-2.fc18.x86_64

Core was generated by `/usr/libexec/evolution-calendar-factory'.
Program terminated with signal 6, Aborted.

+ Trace 231131

Thread 2 (Thread 0x7f7743b65800 (LWP 1642))

  • #0 poll
    at ../sysdeps/unix/syscall-template.S line 81
  • #1 g_main_context_poll
    at gmain.c line 3584
  • #2 g_main_context_iterate
    at gmain.c line 3285
  • #3 g_main_loop_run
    at gmain.c line 3484
  • #4 dbus_server_run_server
    at e-dbus-server.c line 222
  • #5 ffi_call_unix64
    at ../src/x86/unix64.S line 75
  • #6 ffi_call
    at ../src/x86/ffi64.c line 486
  • #7 g_cclosure_marshal_generic_va
    at gclosure.c line 1550
  • #8 _g_closure_invoke_va
    at gclosure.c line 840
  • #9 g_signal_emit_valist
    at gsignal.c line 3211
  • #10 g_signal_emit
    at gsignal.c line 3356
  • #11 e_dbus_server_run
    at e-dbus-server.c line 396
  • #12 main
    at evolution-calendar-factory.c line 137 






Comment 1


Iain Lane





          2013-06-07 12:37:23 UTC
        



I'm still seeing this with 3.8.2 (on Ubuntu). I don't have a good way to reproduce; setting a breakpoint shows that the code passes through this block successfully most of the time and it *seems* to be coded appropriately defensively...






Comment 2


Milan Crha





          2013-07-01 14:10:53 UTC
        



Thanks for the update, Iain, I'm updating the version information. I'm not able to reproduce this reliably too, it just happens sometimes. I guess it's some use-after-free, but as you said, the code has there some locks, which are used to prevent such situation.






Comment 3


Christian Kirbach





          2013-08-03 12:23:24 UTC
        



Still happens with 3.8.3

evolution-data-server                          3.8.3-0ubuntu5~ubuntu1






Comment 4


Christian Kirbach





          2013-08-03 12:24:25 UTC
        






+
Trace
    232333






    

  • 
#0
__GI_raise

    
                at ../nptl/sysdeps/unix/sysv/linux/raise.c
                  line
                  56

    

    • 

  • 
#1
__GI_abort

    
                at abort.c
                  line
                  90

    

    • 

  • 
#2
__libc_message

    
                at ../sysdeps/unix/sysv/linux/libc_fatal.c
                  line
                  199

    

    • 

  • 
#3
malloc_printerr

    • 

  • 
#4
_int_free

    
                at malloc.c
                  line
                  3758

    

    • 

  • 
#5
initialize_backend

    
                at e-cal-backend-caldav.c
                  line
                  2818

    

    • 

  • 
#6
caldav_do_open

    
                at e-cal-backend-caldav.c
                  line
                  2912

    

    • 

  • 
#7
cal_backend_open

    
                at e-cal-backend-sync.c
                  line
                  559

    

    • 

  • 
#8
operation_thread

    
                at e-data-cal.c
                  line
                  504

    

    • 

  • 
#9
g_thread_pool_thread_proxy

    
                at /build/buildd/glib2.0-2.36.3/./glib/gthreadpool.c
                  line
                  309

    

    • 

  • 
#10
g_thread_proxy

    
                at /build/buildd/glib2.0-2.36.3/./glib/gthread.c
                  line
                  798

    

    • 

  • 
#11
start_thread

    
                at pthread_create.c
                  line
                  311

    

    • 

  • 
#12
clone

    
                at ../sysdeps/unix/sysv/linux/x86_64/clone.S
                  line
                  113

    

    • 













Comment 5


Matthew Barnes





          2013-08-03 13:00:32 UTC
        



The latest release is 3.8.4, and the line numbers in these back traces don't match what's currently in the gnome-3-8 branch, so I can't tell if the issue is fixed already or not.

It would be helpful if someone could reproduce this with 3.8.4 or later.






Comment 6


Milan Crha





          2013-08-05 05:02:32 UTC
        



It crashes from time to time to me too, even on git master, but I cannot debug it properly, because once I try it stops crashing :-/






Comment 7


Hobson Lane





          2013-11-17 01:47:28 UTC
        



Happens to me (and others) on 3.8.5 per this downstream bug report:
Bug 862830 - [abrt] evolution-data-server-3.5.92-1.fc18: initialize_backend: Process /usr/libexec/evolution-calendar-factory was killed by signal 6 (SIGABRT)






Comment 8


David Juran





          2013-11-27 22:05:34 UTC
        



Created attachment 262983 [details]
backtrace from evolution-data-server-3.10.2-2 on Fedora 19

Attaching a backtrace from evolution-data-server-3.10.2-2 on Fedora 19






Comment 9


Milan Crha





          2014-01-15 13:51:15 UTC
        



I think I finally found the cause, it was about two threads accessing internal structure members simultaneously, overwriting data one to the other.

Created commit 12a279c in eds master (3.11.5+) [1]
Created commit 16e77f3 in eds gnome-3-10 (3.10.4+)

[1] https://git.gnome.org/browse/evolution-data-server/commit/?id=12a279c