Messages in this thread | | | Date | Tue, 12 May 2020 22:31:10 +0000 | From | Luis Chamberlain <> | Subject | Re: [PATCH] kernel: sysctl: ignore out-of-range taint bits introduced via kernel.tainted |
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On Tue, May 12, 2020 at 01:46:53PM -0400, Rafael Aquini wrote: > The sysctl knob allows users with SYS_ADMIN capability to > taint the kernel with any arbitrary value, but this might > produce an invalid flags bitset being committed to tainted_mask. > > This patch introduces a simple way for proc_taint() to ignore > any eventual invalid bit coming from the user input before > committing those bits to the kernel tainted_mask. > > Signed-off-by: Rafael Aquini <aquini@redhat.com>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Luis
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