strace addr2line 定位coredump

x86 linux 64位上没有验证成功

 

test.c

#include <stdio.h>

int main()

{

　　//just for test

　　int* pTest = NULL;

　　*pTest = 3;

　　return 0;

}

 

gcc test.c -o  test

strace -i ./test

[000073bcd2c05cfb] munmap(0x73bcd2bcc000, 69303) = 0
[00005e658ef9513d] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[????????????????] +++ killed by SIGSEGV (core dumped) +++
Segmentation fault (core dumped)

addr2line -e test 00005e658ef9513d

??:0