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SubjectRe: [PATCH v2] fs/proc: Don't expose absolute kernel addresses via wchan
On Wed, 30 Sep 2015, Kees Cook wrote:
> Probably should also update Documentation/filesystems/proc.txt with
> something like:
>
> --- a/Documentation/filesystems/proc.txt
> +++ b/Documentation/filesystems/proc.txt
> @@ -310,7 +310,7 @@ Table 1-4: Contents of the stat files (as of 2.6.30-rc7)
> blocked bitmap of blocked signals
> sigign bitmap of ignored signals
> sigcatch bitmap of caught signals
> - wchan address where process went to sleep
> + 0 (place holder, was wchan, see /proc/PID/wchan instead)
> 0 (place holder)
> 0 (place holder)
> exit_signal signal to send to parent thread on exit

Good catch!

Thanks,

tglx


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