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Date: Mon, 29 Apr 2019 14:56:06 -0400
From: Jann Horn <>
Subject: Linux kernel: multiple issues

Here are several issues that became public somewhat recently:

== page->_refcount overflow via FUSE with ~140GiB RAM usage ==
NOTE: not relevant (AFAIK) on machines with normal amounts of physical memory

== missing locking in Siemens R3964 line discipline ==
NOTE: Rather than fixing the various issues in the driver, the commit
marks the driver as BROKEN to keep people from building it. If you
actually use the Siemens R3964 line discipline for talking to
Programmable Logic Controllers, or something like that, you may want
to reach out to gregkh and help test things - see the commit message.

== missing locking between ELF coredump code and userfaultfd VMA modification ==

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