Re: [PATCH v10 4/5] arm64: ptdump: Don't override the level when operating on the stage-2 tables
From: Will Deacon <will@kernel.org>
Date: 2024-09-10 10:05:26
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On Mon, Sep 09, 2024 at 12:47:20PM +0000, Sebastian Ene wrote:
Ptdump uses the init_mm structure directly to dump the kernel pagetables. When ptdump is called on the stage-2 pagetables, this mm argument is not used. Prevent the level from being overwritten by checking the argument against NULL. Signed-off-by: Sebastian Ene <redacted> --- arch/arm64/mm/ptdump.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
Acked-by: Will Deacon <will@kernel.org> Will