http://bugs.opencompositing.org/show_bug.cgi?id=851

           Summary: Session plugin crashes compiz sometimes
           Product: Compiz Fusion
           Version: git HEAD
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: Plugins
        AssignedTo: [email protected]
        ReportedBy: [EMAIL PROTECTED]


Compiz sometimes crashes when I use 'session' plugin.
Otherwise this plugin with rest of compiz works great.

the backtrace (I got plenty of following backtraces):

#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7b153c3 in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7ab84f3 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3  0xb5fcbcdc in crash_handler (sig=11) at crashhandler.c:58
#4  <signal handler called>
#5  0xb7af22c0 in strncat () from /lib/tls/i686/cmov/libc.so.6
#6  0xb5fc0751 in sessionSessionSaveYourself (c=0x8079940, 
    clientId=0x1 <Address 0x1 out of bounds>, saveType=0, interactStyle=0,
shutdown=0, 
    fast=-1209972676) at session.c:466
#7  0x0806f853 in saveYourselfCallback (connection=0x807d968, client_data=0x0,
saveType=1, 
    shutdown=0, interact_Style=0, fast=0) at session.c:155
#8  0xb7e1321d in _SmcProcessMessage () from /usr/lib/libSM.so.6
#9  0xb7e06ab3 in IceProcessMessages () from /usr/lib/libICE.so.6
#10 0x0806f7b2 in iceProcessMessages (data=0x807b918) at session.c:284
#11 0x08055a7c in doPoll (timeout=<value optimized out>) at display.c:1409
#12 0x08058420 in eventLoop () at display.c:1834
#13 0x080528bc in main (argc=5, argv=0xbfc871e4) at main.c:442


It seems that this isn't a session plugin fault, because the libICE calls
it with client_data = NULL

Probably add a check for that?


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