linux-kernel - [PATCH AUTOSEL 5.10 11/15] scsi: st: Fix array overflow in st

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Message-Id: <20250403191002.2678588-11-sashal@kernel.org>
Date: Thu,  3 Apr 2025 15:09:58 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Kai Mäkisara <Kai.Makisara@...umbus.fi>,
	Chenyuan Yang <chenyuan0y@...il.com>,
	"Martin K . Petersen" <martin.petersen@...cle.com>,
	Sasha Levin <sashal@...nel.org>,
	James.Bottomley@...senPartnership.com,
	linux-scsi@...r.kernel.org
Subject: [PATCH AUTOSEL 5.10 11/15] scsi: st: Fix array overflow in st_setup()

From: Kai Mäkisara <Kai.Makisara@...umbus.fi>

[ Upstream commit a018d1cf990d0c339fe0e29b762ea5dc10567d67 ]

Change the array size to follow parms size instead of a fixed value.

Reported-by: Chenyuan Yang <chenyuan0y@...il.com>
Closes: https://lore.kernel.org/linux-scsi/CALGdzuoubbra4xKOJcsyThdk5Y1BrAmZs==wbqjbkAgmKS39Aw@mail.gmail.com/
Signed-off-by: Kai Mäkisara <Kai.Makisara@...umbus.fi>
Link: https://lore.kernel.org/r/20250311112516.5548-2-Kai.Makisara@kolumbus.fi
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/st.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 3b819c6b15a56..465fe83b49e98 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4144,7 +4144,7 @@ static void validate_options(void)
  */
 static int __init st_setup(char *str)
 {
-	int i, len, ints[5];
+	int i, len, ints[ARRAY_SIZE(parms) + 1];
 	char *stp;
 
 	stp = get_options(str, ARRAY_SIZE(ints), ints);
-- 
2.39.5