[CRIU] Re: [PATCH] dump: Don't dump file params with on-stack values
Pavel Emelyanov
xemul at parallels.com
Wed May 30 04:36:25 EDT 2012
On 05/28/2012 03:56 PM, Cyrill Gorcunov wrote:
> Otherwise I see output like
>
> | Dumping path for 1536412160 fd via self 27 [/usr/bin/screen]
>
> where fd is taken from stack and what is worse -- we work
> with root privilegues, thus dumping _anything_ from stack
> is very bad idea.
>
> With explicitly cleared stack data and FD_DESC_INVALID the
> log file will have an entry like
>
> | Dumping path for -3 fd via self 27 [/usr/bin/screen]
>
> Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
Applied
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