123456789101112131415161718192021222324252627282930313233343536Thread 2.1 "protect" received signal SIGSEGV, Segmentation fault.0x00007f6f2b2942f6 in do_system (line=0x7f6f2b3f8e9a "/bin/sh") at ../sysdeps/posix/system.c:125125 in ../sysdeps/posix/system.cLEGEND: STACK | HEAP |