stress2: Replace rename() with arc4random()

HardenedBSD · Jun 11, 2024 · f65d0b1 · f65d0b1
1 parent e754909
commit f65d0b1
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/tools/test/stress2/misc/nfsrename.sh b/tools/test/stress2/misc/nfsrename.sh
@@ -137,7 +137,7 @@ write_file(void)
 		unlink(path);
 	}
 
-	fprintf(fp, "blah blah blah garbage %ld\n", random());
+	fprintf(fp, "blah blah blah garbage %ld\n", (long)arc4random());
 	fclose(fp);
 	if (rename(path, filename) < 0) {
 		warn("rename");
@@ -150,7 +150,7 @@ random_sleep(int base, int slop)
 {
 	long val;
 
-	val = random() % slop;
+	val = arc4random() % slop;
 	usleep(base + val);
 }
 

diff --git a/tools/test/stress2/misc/umountf2.sh b/tools/test/stress2/misc/umountf2.sh
@@ -886,11 +886,12 @@ test(void)
 {
 	unsigned long	offset;
 	unsigned long	size = maxoplen;
-	unsigned long	rv = random();
+	unsigned long	rv;
 	unsigned long	op = rv % (3 + !lite + mapped_writes);
 
 	/* turn off the map read if necessary */
 
+	arc4random_buf(&rv, sizeof(rv));
 	if (op == 2 && !mapped_reads)
 	    op = 0;