From: Palmer Dabbelt <palmer@dabbelt.com>
To: tesheng@andestech.com
Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
walken@google.com, vbabka@suse.cz, peterx@redhat.com,
akpm@linux-foundation.org, penberg@kernel.org,
aou@eecs.berkeley.edu, Paul Walmsley <paul.walmsley@sifive.com>,
tesheng@andestech.com
Subject: Re: [PATCH v3 0/2] Let illegal access to user-space memory die
Date: Mon, 21 Dec 2020 18:35:14 -0800 (PST) [thread overview]
Message-ID: <mhng-607cbd62-adc5-45a7-adde-476741f9d63b@palmerdabbelt-glaptop> (raw)
In-Reply-To: <20201204054259.32684-1-tesheng@andestech.com>
On Thu, 03 Dec 2020 21:42:57 PST (-0800), tesheng@andestech.com wrote:
> Accesses to user-space memory without calling uaccess routine
> leads to hanging in page fault handler. Like arm64, we let it
> die earlier in page fault handler.
>
> Changes in v3:
> -Let no_context() use die_kernel_fault() helper
>
> Changes in v2:
> -Add a die_kernel_fault() helper
> -Split one long line code into two
>
> Eric Lin (2):
> riscv/mm: Introduce a die_kernel_fault() helper function
> riscv/mm: Prevent kernel module to access user memory without uaccess
> routines
>
> arch/riscv/mm/fault.c | 28 ++++++++++++++++++++++------
> 1 file changed, 22 insertions(+), 6 deletions(-)
Thanks, these will be on for-next when the merge window ends.
next prev parent reply other threads:[~2020-12-22 2:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-04 5:42 [PATCH v3 0/2] Let illegal access to user-space memory die Eric Lin
2020-12-04 5:42 ` [PATCH v3 1/2] riscv/mm: Introduce a die_kernel_fault() helper function Eric Lin
2020-12-04 5:42 ` [PATCH v3 2/2] riscv/mm: Prevent kernel module to access user memory without uaccess routines Eric Lin
2020-12-22 2:35 ` Palmer Dabbelt [this message]
2021-02-01 13:18 ` [PATCH v3 0/2] Let illegal access to user-space memory die Ben Dooks
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