1 files changed, 38 insertions, 0 deletions
diff --git a/segfault.c b/segfault.c
new file mode 100644
index 0000000..e0e759c
--- /dev/null
+++ b/segfault.c
@@ -0,0 +1,38 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <limits.h>
+
+int main(int argc, char *argv[]) {
+        int *p = 0;
+        struct rlimit rl;
+        char path[PATH_MAX];
+
+        if (getrlimit(RLIMIT_CORE, &rl) < 0) {
+                fprintf(stderr, "getrlimit() failed: %m");
+                return EXIT_FAILURE;
+        }
+
+        rl.rlim_cur = 1024UL*1024UL*1024UL;
+        if (setrlimit(RLIMIT_CORE, &rl) < 0) {
+                fprintf(stderr, "setrlimit() failed: %m");
+                return EXIT_FAILURE;
+        }
+
+        unlink("coredump");
+
+        snprintf(path, sizeof(path), "core.%lu", (unsigned long) getpid());
+        path[sizeof(path)-1] = 0;
+
+        if (symlink(path, "core") < 0) {
+                fprintf(stderr, "symlink() failed: %m");
+                return EXIT_FAILURE;
+        }
+
+        *p = 1;
+        return 0;
+}