test _exit(2) rather than exit(3) [to keep things simpler], and

print the stack address [for comparison in dmesg post-fault]

1 files changed, 3 insertions, 1 deletions

diff --git a/regress/sys/kern/stackpivot/syscall/stackpivot.c b/regress/sys/kern/stackpivot/syscall/stackpivot.c
index 2208ff48d31..c6470dba86d 100644
--- a/regress/sys/kern/stackpivot/syscall/stackpivot.c
+++ b/regress/sys/kern/stackpivot/syscall/stackpivot.c
@@ -16,16 +16,18 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 #include "../pivot.h"
 
 void doexit() {
-    exit(0);
+    _exit(0);
 }
 
 int main() {
     /* set up an alt stack on the heap that just calls doexit */
     size_t *newstack = calloc(10, sizeof(size_t));
+    printf("%p\n", newstack);
     newstack[0] = (size_t)doexit;
     pivot(newstack);
     return 0;