Messages in this thread |  | | Date | Tue, 4 Feb 2020 13:55:23 -0500 | From | Johannes Weiner <> | Subject | Re: [PATCH] psi: Fix OOB write when writing 0 bytes to psi files |
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On Mon, Feb 03, 2020 at 01:22:16PM -0800, Suren Baghdasaryan wrote: > Issuing write() with count parameter set to 0 on any file under > /proc/pressure/ will cause an OOB write because of the access to > buf[buf_size-1] when NUL-termination is performed. Fix this by checking > for buf_size to be non-zero. > > Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Thanks Suren.
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