linux-kernel - [PATCH 5.11 385/775] tools/testing/scatterlist: Fix overflow of max segment size

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Message-Id: <20210301161220.630657927@linuxfoundation.org>
Date:   Mon,  1 Mar 2021 17:09:13 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Maor Gottlieb <maorg@...dia.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 385/775] tools/testing/scatterlist: Fix overflow of max segment size

From: Maor Gottlieb <maorg@...dia.com>

[ Upstream commit 96667052149da3855c4361925324b690c687152f ]

Because SCATTERLIST_MAX_SEGMENT was removed and replaced with UINT_MAX,
the test overflows the max_sgement variable. Remove this case.

Fixes: 7a60c2dd0f57 ("drm: Remove SCATTERLIST_MAX_SEGMENT")
Link: https://lore.kernel.org/r/20210125120527.836363-1-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/scatterlist/main.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tools/testing/scatterlist/main.c b/tools/testing/scatterlist/main.c
index 71c960dcd8a42..652254754b4cb 100644
--- a/tools/testing/scatterlist/main.c
+++ b/tools/testing/scatterlist/main.c
@@ -55,7 +55,6 @@ int main(void)
 	struct test *test, tests[] = {
 		{ -EINVAL, 1, pfn(0), NULL, PAGE_SIZE, 0, 1 },
 		{ 0, 1, pfn(0), NULL, PAGE_SIZE, PAGE_SIZE + 1, 1 },
-		{ 0, 1, pfn(0), NULL, PAGE_SIZE, sgmax + 1, 1 },
 		{ 0, 1, pfn(0), NULL, PAGE_SIZE, sgmax, 1 },
 		{ 0, 1, pfn(0), NULL, 1, sgmax, 1 },
 		{ 0, 2, pfn(0, 1), NULL, 2 * PAGE_SIZE, sgmax, 1 },
-- 
2.27.0