From: labbott@redhat.com (Laura Abbott)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] arm64: Clear the stack
Date: Wed, 21 Feb 2018 17:35:24 -0800 [thread overview]
Message-ID: <572af610-c20f-e826-f124-8df47680795b@redhat.com> (raw)
In-Reply-To: <3b76d238-e10a-9abf-c9cb-6d3738eb7896@redhat.com>
On 02/21/2018 03:53 PM, Laura Abbott wrote:
>> I *think* this should happen in finish_ret_to_user a few lines down, since we
>> can call C code if we branch to work_pending, dirtying the stack.
>>
>
> I think you're right but this didn't immediately work when I tried it.
> I'll have to dig into this some more.
Okay I figured this out. Not corrupting registers works wonders.
next prev parent reply other threads:[~2018-02-22 1:35 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <dc76a745-3fa7-4023-dcc1-3df18c9461a6@redhat.com>
2018-02-21 1:13 ` [PATCH 0/2] Stackleak for arm64 Laura Abbott
2018-02-21 1:13 ` [PATCH 1/2] stackleak: Update " Laura Abbott
2018-02-22 16:58 ` Will Deacon
2018-02-22 19:22 ` Alexander Popov
2018-02-27 10:21 ` Richard Sandiford
2018-02-28 15:09 ` Alexander Popov
2018-03-01 10:33 ` Richard Sandiford
2018-03-02 11:14 ` Alexander Popov
2018-02-22 19:38 ` Laura Abbott
2018-02-21 1:13 ` [PATCH 2/2] arm64: Clear the stack Laura Abbott
2018-02-21 15:38 ` Mark Rutland
2018-02-21 23:53 ` Laura Abbott
2018-02-22 1:35 ` Laura Abbott [this message]
2018-02-21 14:48 ` [PATCH 0/2] Stackleak for arm64 Alexander Popov
2018-05-02 20:33 Laura Abbott
2018-05-02 20:33 ` [PATCH 2/2] arm64: Clear the stack Laura Abbott
2018-05-02 21:31 ` Kees Cook
2018-05-02 23:07 ` Laura Abbott
2018-05-02 23:37 ` Kees Cook
2018-05-03 16:05 ` Alexander Popov
2018-05-03 16:45 ` Kees Cook
2018-05-03 7:19 ` Mark Rutland
2018-05-03 11:37 ` Ard Biesheuvel
2018-05-03 17:33 ` Alexander Popov
2018-05-03 19:09 ` Laura Abbott
2018-05-04 8:30 ` Alexander Popov
2018-05-04 11:09 ` Mark Rutland
2018-05-06 8:22 ` Alexander Popov
2018-05-11 15:50 ` Alexander Popov
2018-05-11 16:13 ` Mark Rutland
2018-05-13 8:40 ` Alexander Popov
2018-05-14 5:15 ` Mark Rutland
2018-05-14 9:35 ` Alexander Popov
2018-05-14 10:06 ` Mark Rutland
2018-05-14 13:53 ` Alexander Popov
2018-05-14 14:07 ` Mark Rutland
2018-05-03 19:00 ` Laura Abbott
2018-05-04 11:16 ` Mark Rutland
-- strict thread matches above, loose matches on Subject: below --
2018-07-18 21:10 [PATCH 0/2] Stackleak for arm64 Laura Abbott
2018-07-18 21:10 ` [PATCH 2/2] arm64: Clear the stack Laura Abbott
2018-07-19 2:20 ` Kees Cook
2018-07-19 10:41 ` Alexander Popov
2018-07-19 11:41 ` Mark Rutland
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