after insmod execmon.ko,run gcc is segfault

[sgc666888]

I have tried.I insmmod execmon.ko ,execve moniter is normal.
but , The system GCC is abnormal, gcc hello.c is failed.
open /var/log/message

371 May 16 13:41:47 localhost kernel: gcc[21267]: segfault at 7fff30ab8d31 ip 00007fff30ab8d31 sp 00007fff30ab7848 error 15
372 May 16 13:41:47 localhost kernel: Process 21267(gcc) has RLIMIT_CORE set to 0
373 May 16 13:41:47 localhost kernel: Aborting core

rmmod execvemon.ko
gcc is normal.

Did you see this problem as well?