Mailinglist Archive: opensuse-bugs (15878 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=299806

           Summary: gdb prints random characters when debugged process
                    terminates unexpectedly
           Product: openSUSE 10.3
           Version: Alpha 6
          Platform: x86-64
        OS/Version: openSUSE 10.3
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Development
        AssignedTo: schwab@xxxxxxxxxx
        ReportedBy: ptesarik@xxxxxxxxxx
         QAContact: qa@xxxxxxx
          Found By: L3


Hi Andreas!

While debugging a different issue, I found the following bug in gdb
(6.6.50.20070726-7). I wrote a simple program:

int main(int argc, char **argv)
{
        puts"Hello world!\n");
}

Now, I compiled it with debugging info (-ggdb) and ran gdb on it. I start it
(using "start") and the process stops at main(). Now, from another terminal I
send the debugged process a SIGKILL. The process becomes a zombie. When I try
to step the (now defunct) process, gdb fails like this:

(gdb) s
main (argc=Cannot access memory at address 0x7fffc691045c
) at hello.c:5
5               printf("%s: Hello world!\n", argv[0]);
0,�

In particular, look at the last line. It is a random string which changes which
each invokation of "step".


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