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SubjectRe: [PATCH -v3.1 2/2] printk: Add kernel parameter to control writes to /dev/kmsg
On Wed, Jul 06, 2016 at 01:52:11PM -0400, Steven Rostedt wrote:
> Hmm, this does nothing to stop user space from doing the following:
>
> while :; do echo '5,0,0,-;hello' > /dev/kmsg; done

I wouldn't worry too much if /dev/kmsg has root:root perms elsewhere
too, like it is the case in my guest here:

crw-r--r-- 1 root root 1, 11 Jul 6 22:28 /dev/kmsg

root can shoot herself in the foot in countless ways anyway.

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.

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