[Bug 2479] New: calling XScreenSaverQueryInfo crashes the server

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https://bugs.freedesktop.org/show_bug.cgi?id=2479          
     
           Summary: calling XScreenSaverQueryInfo crashes the server
           Product: xorg
           Version: 6.8.2
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Server/general
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: nmiell at comcast.net


backtrace without debugging symbols is as follows:

#0  0x000000301972e4dd in *__GI_raise (sig=6700)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:67
#1  0x000000301972fc8e in *__GI_abort () at ../sysdeps/generic/abort.c:88
#2  0x0000003019762b91 in __libc_message (do_abort=2,
    fmt=0x3019810850 "*** glibc detected *** %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:145
#3  0x00000030197684cf in _int_free (av=0x301992e620, mem=0x1a2c)
    at malloc.c:5523
#4  0x0000003019768a76 in __libc_free (mem=0x6) at malloc.c:3404
#5  0x00000000005179c6 in ProcScreenSaverQueryInfo ()
#6  0x0000000000470f9d in Dispatch ()
#7  0x0000000000456de5 in main ()

This is with 6.8.1.904. 903 and, iirc, 902 did it also. I don't know about
previous versions.          
     
     
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