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| author | Mike Rapoport | 2017-03-10 01:17:09 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2017-03-10 02:01:10 +0100 |
| commit | 7eb76d457fd758d396bc2e65cb0ace5aae614149 (patch) | |
| tree | 65cef25c2ccabe3574891256e13292939270bdce /mm/madvise.c | |
| parent | mm/cgroup: avoid panic when init with low memory (diff) | |
| download | kernel-qcow2-linux-7eb76d457fd758d396bc2e65cb0ace5aae614149.tar.gz kernel-qcow2-linux-7eb76d457fd758d396bc2e65cb0ace5aae614149.tar.xz kernel-qcow2-linux-7eb76d457fd758d396bc2e65cb0ace5aae614149.zip | |
userfaultfd: non-cooperative: fix fork fctx->new memleak
We have a memleak in the ->new ctx if the uffd of the parent is closed
before the fork event is read, nothing frees the new context.
Link: http://lkml.kernel.org/r/20170302173738.18994-2-aarcange@redhat.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reported-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/madvise.c')
0 files changed, 0 insertions, 0 deletions