Linux program exits print call stack unexpectedly

/* * Program abnormally terminates when printing exception program call stack * gcc-g-rdynamic backtracetest.c-o backtracetest * * Run Program error: * System error, Stack trace: * 0 ./backtracetest (systemerrorhandler+0x77) [0x40095b] * 1/lib64/libc.so.6 () [0x3a4fe326b0] * 2./backtracetest (Fun1+ 0x10) [0X400A10] * 3./backtracetest (FUN+0XE) [0x400a23] * 4./backtracetest (MAIN+0X37) [0x400a5c] * 5/LIB64/LIBC.SO.6 (__ LIBC_START_MAIN+0XFD) [0x3a4fe1ed5d] * 6./backtracetest () [0x400829] * segmentation fault (core dumped) * GDB print error line information * GDB backtracetest * (GDB) Info Line *0x400a10 * line, "backtracetest.c" starts at address 0x400a0c <Fun1+12> an D ends at 0x400a13 <fun1+19>. * (GDB) List *0x400a10 * 0x400a10 is in Fun1 (backtracetest.c:66). * Warning:source file is more recent than executable. * * * * * 63void Fun1 () * 64{* 65char *p=null; * 66*p = ' A '; * "* * * * * * * * * 69void fun () * 70{* * * * addr2line locator address corresponding Source code location * ADDR2LINE-E backtracetest-i 0X400A10 */home/cyf/workspace/backtracetest/backtracetest.c:66 * */#include &Lt;stdio.h> #include <stdlib.h> #include <signal.h> #include <string.h> #include <execinfo.h >void systemerrorhandler (int signum) {const int len=1024;void *func[len];size_t size;int i;char **funs;signal (signum , SIG_DFL); Size=backtrace (Func,len); funs= (char**) backtrace_symbols (func,size); fprintf (stderr, "System error, Stack Trace:\n "); for (I=0;i<size;++i) fprintf (stderr,"%d%s \ n ", i,funs[i]); free (funs);//exit (1);} void Fun1 () {char *p=null;*p = ' A ';} void Fun () {Fun1 ();} int main (const int argc,const char* argv[]) {signal (Sigsegv,systemerrorhandler);//invaild Memory Addresssignal (SIGABRT , Systemerrorhandler); Abort Signalfun (); return 0;}

Linux program exits print call stack unexpectedly