Re: [PATCH 2/2] arm64: Clear the stack

From: Laura Abbott
Date: Wed Feb 21 2018 - 20:35:37 EST

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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 message: Luck, Tony: "[PATCH] efivarfs: Limit the rate for non-root to read files"
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In reply to: Laura Abbott: "Re: [PATCH 2/2] arm64: Clear the stack"
Next in thread: Alexander Popov: "Re: [PATCH 0/2] Stackleak for arm64"
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