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(parent: 28d8886) | patch
arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user
authorWill Deacon <will.deacon@arm.com>
Mon, 5 Feb 2018 15:34:23 +0000 (15:34 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 16 Feb 2018 19:22:52 +0000 (20:22 +0100)
commitba32050d308a8bcd8ea300daf00dc197523d47f8
treea35b00c175fd151fd6247879a980b16bf66b6356tree | snapshot (tar.gz zip)
parent28d8886d985ccc84e4e8f567c60f491acb1ae51ccommit | diff
arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user

Commit f71c2ffcb20d upstream.

Like we've done for get_user and put_user, ensure that user pointers
are masked before invoking the underlying __arch_{clear,copy_*}_user
operations.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm64/include/asm/uaccess.h diff | blob | blame | history
arch/arm64/kernel/arm64ksyms.c diff | blob | blame | history
arch/arm64/lib/clear_user.S diff | blob | blame | history
arch/arm64/lib/copy_in_user.S diff | blob | blame | history