--- /dev/null
+// Check that we properly report mmap failure.
+// RUN: %clangxx_asan %s -o %t && %t 2>&1 | FileCheck %s
+#include <stdlib.h>
+#include <assert.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+static volatile void *x;
+
+int main(int argc, char **argv) {
+ struct rlimit mmap_resource_limit = { 0, 0 };
+ assert(0 == setrlimit(RLIMIT_AS, &mmap_resource_limit));
+ x = malloc(10000000);
+// CHECK: AddressSanitizer is unable to mmap
+ return 0;
+}
PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (res == (void*)-1) {
+ static int recursion_count;
+ if (recursion_count) {
+ // The Report() and CHECK calls below may call mmap recursively and fail.
+ // If we went into recursion, just die.
+ RawWrite("AddressSanitizer is unable to mmap\n");
+ Die();
+ }
+ recursion_count++;
Report("ERROR: Failed to allocate 0x%zx (%zd) bytes of %s: %s\n",
size, size, mem_type, strerror(errno));
DumpProcessMap();