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| // RUN: %clangxx -g %s -o %t
// RUN: %env_tool_opts=decorate_proc_maps=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%tool_name
// REQUIRES: stable-runtime
// XFAIL: android && asan
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
bool CopyFdToFd(int in_fd, int out_fd) {
const size_t kBufSize = 0x10000;
static char buf[kBufSize];
while (true) {
ssize_t got = read(in_fd, buf, kBufSize);
if (got > 0) {
write(out_fd, buf, got);
} else if (got == 0) {
break;
} else if (errno != EAGAIN || errno != EWOULDBLOCK || errno != EINTR) {
fprintf(stderr, "error reading file, errno %d\n", errno);
return false;
}
}
return true;
}
void *ThreadFn(void *arg) {
(void)arg;
int fd = open("/proc/self/maps", O_RDONLY);
bool res = CopyFdToFd(fd, 2);
close(fd);
return (void *)!res;
}
int main(void) {
pthread_t t;
void *res;
pthread_create(&t, 0, ThreadFn, 0);
pthread_join(t, &res);
return (int)(size_t)res;
}
// CHECK-asan: rw-p {{.*}} [low shadow]
// CHECK-asan: ---p {{.*}} [shadow gap]
// CHECK-asan: rw-p {{.*}} [high shadow]
// CHECK-msan: ---p {{.*}} [invalid]
// CHECK-msan: rw-p {{.*}} [shadow{{.*}}]
// CHECK-msan: ---p {{.*}} [origin{{.*}}]
// CHECK-tsan: rw-p {{.*}} [shadow]
// CHECK-tsan: rw-p {{.*}} [meta shadow]
// CHECK-tsan: rw-p {{.*}} [trace 0]
// CHECK-tsan: rw-p {{.*}} [trace header 0]
// CHECK-tsan: rw-p {{.*}} [trace 1]
// CHECK-tsan: rw-p {{.*}} [trace header 1]
// Nothing interesting with standalone LSan and UBSan.
// CHECK-lsan: decorate_proc_maps
// CHECK-ubsan: decorate_proc_maps
|