forked from OSchip/llvm-project
27 lines
734 B
C++
27 lines
734 B
C++
// RUN: %clang_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <signal.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
static void handler(int, siginfo_t*, void*) {
|
|
// CHECK: WARNING: ThreadSanitizer: signal-unsafe call inside of a signal
|
|
// CHECK: #0 malloc
|
|
// CHECK: #{{(1|2)}} handler(int, siginfo{{(_t)?}}*, void*) {{.*}}signal_malloc.cc:[[@LINE+2]]
|
|
// CHECK: SUMMARY: ThreadSanitizer: signal-unsafe call inside of a signal{{.*}}handler
|
|
volatile char *p = (char*)malloc(1);
|
|
p[0] = 0;
|
|
free((void*)p);
|
|
}
|
|
|
|
int main() {
|
|
struct sigaction act = {};
|
|
act.sa_sigaction = &handler;
|
|
sigaction(SIGPROF, &act, 0);
|
|
kill(getpid(), SIGPROF);
|
|
sleep(1);
|
|
return 0;
|
|
}
|
|
|