APPLIED: [PATCH] UBUNTU: SAUCE: LSM stacking: check for invalid zero sized writes

Seth Forshee seth.forshee at
Tue Oct 3 18:07:26 UTC 2017

On Tue, Oct 03, 2017 at 01:12:54PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king at>
> BugLink:
> Writing zero bytes to /proc/$pid/task/$pid/attr/context via
> security_setprocattr cause an oops in memcpy_erms. Fix this by
> checking for zero size and returning -EINVAL for this invalid
> write size.
> Detected by running stress-ng --procfs 0
> Signed-off-by: Colin Ian King <colin.king at>

Applied to artful/master-next, thanks!

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