Konstantin Meskhidze 84f9953215 kconfig: fix possible buffer overflow
[ Upstream commit a3b7039bb2b22fcd2ad20d59c00ed4e606ce3754 ]

Buffer 'new_argv' is accessed without bound check after accessing with
bound check via 'new_argc' index.

Fixes: e298f3b49def ("kconfig: add built-in function support")
Co-developed-by: Ivanov Mikhail <ivanov.mikhail1@huawei-partners.com>
Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-19 12:20:25 +02:00
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