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authorBenjamin LaHaise <bcrl@kvack.org>2014-06-24 19:12:55 +0200
committerBenjamin LaHaise <bcrl@kvack.org>2014-06-24 19:32:27 +0200
commitf8567a3845ac05bb28f3c1b478ef752762bd39ef (patch)
tree2b84f49db85647fc69e7e00f41281ef3101a6fd8 /samples
parentMerge tag 'compress-3.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-f8567a3845ac05bb28f3c1b478ef752762bd39ef.tar.xz
linux-f8567a3845ac05bb28f3c1b478ef752762bd39ef.zip
aio: fix aio request leak when events are reaped by userspace
The aio cleanups and optimizations by kmo that were merged into the 3.10 tree added a regression for userspace event reaping. Specifically, the reference counts are not decremented if the event is reaped in userspace, leading to the application being unable to submit further aio requests. This patch applies to 3.12+. A separate backport is required for 3.10/3.11. This issue was uncovered as part of CVE-2014-0206. Signed-off-by: Benjamin LaHaise <bcrl@kvack.org> Cc: stable@vger.kernel.org Cc: Kent Overstreet <kmo@daterainc.com> Cc: Mateusz Guzik <mguzik@redhat.com> Cc: Petr Matousek <pmatouse@redhat.com>
Diffstat (limited to 'samples')
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