[Bug 1294200] Re: test linked against nih-dbus-tool-generated libraryis not thread-safe

[Serge Hallyn]

sadly that did not help, but actually seemed to make it worse (as in,
crashes faster):


[New Thread 0x7ffff6f86700 (LWP 18964)]
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent[Thread 0x7fffd0ff1700 (LWP 18962) exited]
[New Thread 0x7ffff6785700 (LWP 18965)]
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': malloc(): smallbin double linked list corrupted: 0x00007fffd81de510 ***
[New Thread 0x7ffff5f84700 (LWP 18966)]
*** Error in `[New Thread 0x7ffff5783700 (LWP 18967)]
*** Error in `[Thread 0x7ffff6f86700 (LWP 18964) exited]
[Thread 0x7fffd17f2700 (LWP 18963) exited]
[Thread 0x7ffff6785700 (LWP 18965) exited]
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': corrupted double-linked list: 0x00007fffd81de500 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': corrupted double-linked list: 0x00007fffd81de500 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': corrupted double-linked list: 0x00007fffd81de500 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': corrupted double-linked list: 0x00007fffd81de500 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': corrupted double-linked list: 0x00007fffd81de500 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': corrupted double-linked list: 0x00007fffd81de500 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': corrupted double-linked list: 0x00007fffd81de500 ***
*** Error in `/home/serge/cgmanager-0.20/tests/cgm-concurrent': corrupted double-linked list: 0x00007fffd81de500 ***
[New Thread 0x7ffff4f82700 (LWP 18968)]
[New Thread 0x7fffeffff700 (LWP 18969)]
[Thread 0x7ffff5783700 (LWP 18967) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff5f84700 (LWP 18966)]
_int_malloc (av=0x7fffd8000020, bytes=8) at malloc.c:3700

(gdb) bt
#0  _int_malloc (av=0x7fffd8000020, bytes=8) at malloc.c:3700
#1  0x00007ffff7212430 in __GI___libc_malloc (bytes=8) at malloc.c:2891
#2  0x00007ffff779a594 in _dbus_string_init_preallocated (str=str at entry=0x7ffff5f83a80, allocate_size=allocate_size at entry=0) at ../../dbus/dbus-string.c:149
#3  0x00007ffff779a5d7 in _dbus_string_init (str=str at entry=0x7ffff5f83a80) at ../../dbus/dbus-string.c:177
#4  0x00007ffff777a849 in send_auth (auth=auth at entry=0x7fffd81e6b30, mech=mech at entry=0x7ffff79b6940 <all_mechanisms>) at ../../dbus/dbus-auth.c:1356
#5  0x00007ffff777c11e in _dbus_auth_client_new () at ../../dbus/dbus-auth.c:2315
#6  0x00007ffff7794b65 in _dbus_transport_init_base (transport=transport at entry=0x7fffd81e6a40, vtable=vtable at entry=0x7ffff79b6d50 <socket_vtable>, server_guid=server_guid at entry=0x0, address=address at entry=0x7ffff5f83ba0)
    at ../../dbus/dbus-transport.c:120
#7  0x00007ffff7796897 in _dbus_transport_new_for_socket (fd=fd at entry=28, server_guid=server_guid at entry=0x0, address=address at entry=0x7ffff5f83ba0) at ../../dbus/dbus-transport-socket.c:1262
#8  0x00007ffff779fcfa in _dbus_transport_new_for_domain_socket (path=path at entry=0x617ff0 "/sys/fs/cgroup/cgmanager/sock", abstract=abstract at entry=0, error=error at entry=0x7ffff5f83cc0) at ../../dbus/dbus-transport-unix.c:96
#9  0x00007ffff779ffc9 in _dbus_transport_open_platform_specific (entry=0x7fffd81e1a70, transport_p=0x7ffff5f83cb8, error=0x7ffff5f83cc0) at ../../dbus/dbus-transport-unix.c:263
#10 0x00007ffff7794c1f in _dbus_transport_open (entry=0x7fffd81e1a70, error=error at entry=0x7ffff5f83d50) at ../../dbus/dbus-transport.c:391
#11 0x00007ffff778103b in connection_try_from_address_entry (error=0x7ffff5f83d50, entry=<optimized out>) at ../../dbus/dbus-connection.c:1801
#12 _dbus_connection_open_internal (address=<optimized out>, shared=0, error=0x7ffff5f83df0) at ../../dbus/dbus-connection.c:1870
#13 0x0000000000401c5a in cgm_dbus_connect ()
#14 0x0000000000401e5d in do_function ()
#15 0x0000000000401ec4 in concurrent ()
#16 0x00007ffff755d182 in start_thread (arg=0x7ffff5f84700) at pthread_create.c:312
#17 0x00007ffff728a12d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

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https://bugs.launchpad.net/bugs/1294200

Title:
  test linked against nih-dbus-tool-generated libraryis not thread-safe

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