1*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s 2*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s 3*7c3d14c8STreehugger Robot 4*7c3d14c8STreehugger Robot #include <assert.h> 5*7c3d14c8STreehugger Robot #include <sys/wait.h> 6*7c3d14c8STreehugger Robot #include <unistd.h> 7*7c3d14c8STreehugger Robot #include <signal.h> 8*7c3d14c8STreehugger Robot main(int argc,char ** argv)9*7c3d14c8STreehugger Robotint main(int argc, char **argv) { 10*7c3d14c8STreehugger Robot pid_t pid = fork(); 11*7c3d14c8STreehugger Robot if (pid) { // parent 12*7c3d14c8STreehugger Robot int x[3]; 13*7c3d14c8STreehugger Robot int *status = x + argc * 3; 14*7c3d14c8STreehugger Robot int res; 15*7c3d14c8STreehugger Robot 16*7c3d14c8STreehugger Robot siginfo_t *si = (siginfo_t*)(x + argc * 3); 17*7c3d14c8STreehugger Robot res = waitid(P_ALL, 0, si, WEXITED | WNOHANG); 18*7c3d14c8STreehugger Robot // CHECK: stack-buffer-overflow 19*7c3d14c8STreehugger Robot // CHECK: {{WRITE of size .* at 0x.* thread T0}} 20*7c3d14c8STreehugger Robot // CHECK: {{in .*waitid}} 21*7c3d14c8STreehugger Robot // CHECK: {{in main .*waitid.cc:}} 22*7c3d14c8STreehugger Robot // CHECK: is located in stack of thread T0 at offset 23*7c3d14c8STreehugger Robot // CHECK: {{in main}} 24*7c3d14c8STreehugger Robot return res != -1; 25*7c3d14c8STreehugger Robot } 26*7c3d14c8STreehugger Robot // child 27*7c3d14c8STreehugger Robot return 0; 28*7c3d14c8STreehugger Robot } 29