From e37937f42d8ed496b069dddd24399d187266cfe7 Mon Sep 17 00:00:00 2001
From: Rob Norris <rob.norris@klarasystems.com>
Date: Tue, 25 Nov 2025 04:43:15 +1100
Subject: [PATCH] ztest: fix broken random call

Bad copypasta in 4d451bae8a, leading to random stuff being blasted all
over stack, destroying the program.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Sean Eric Fagan <sean.fagan@klarasystems.com>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #17957
---
 cmd/ztest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/ztest.c b/cmd/ztest.c
index dc8ac85b6..35929cbcf 100644
--- a/cmd/ztest.c
+++ b/cmd/ztest.c
@@ -8143,7 +8143,7 @@ ztest_raidz_expand_run(ztest_shared_t *zs, spa_t *spa)
 	/* Setup a 1 MiB buffer of random data */
 	uint64_t bufsize = 1024 * 1024;
 	void *buffer = umem_alloc(bufsize, UMEM_NOFAIL);
-	random_get_pseudo_bytes((uint8_t *)&buffer, bufsize);
+	random_get_pseudo_bytes((uint8_t *)buffer, bufsize);
 
 	/*
 	 * Put some data in the pool and then attach a vdev to initiate