net: hns3: fix out-of-bounds access may occur when coalesce info is read via debugfs

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[ Upstream commit 53aba458f2 ]

The hns3 driver define an array of string to show the coalesce
info, but if the kernel adds a new mode or a new state,
out-of-bounds access may occur when coalesce info is read via
debugfs, this patch fix the problem.

Fixes: c99fead7cb ("net: hns3: add debugfs support for interrupt coalesce")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Yonglong Liu 2023-11-10 17:37:10 +08:00 • committed by Greg Kroah-Hartman

parent 83a177b942

commit 07f5b8c471

1 changed files with 6 additions and 3 deletions

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drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

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