[Bug libc/17176] backtrace() not working on ARMv7a

["prafulla.fin at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=17176

--- Comment #3 from prafulla chandra kota <prafulla.fin at gmail dot com> ---
Hi All,

Appreciate if somebody could provide the fix for backtrace for below issue as
an example

void func1() {
  int    val;
  char buf[256];
  val = 100;
  printf("\nTrying to construct invalid buffer!\n");
  snprintf(buf, sizeof (buf), "%s", val);
  printf("The content of buf: %s\n", buf);

}

For other issues like NULL pointer access or invalid memory access, backtrace
is working fine in glibc but not for above type of issues.

For above issue uclibc forum has given fix in below link
http://lists.uclibc.org/pipermail/uclibc/2013-September/047932.html

I am looking for similar fix info or patch, so that i can make changes if
someone points out relevant changes.

Thanks,
Prafulla Kota.

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