Messages in this thread | | | Date | Wed, 11 Feb 2009 18:24:28 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH -v4] futex: fix reference leak |
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* Peter Zijlstra <peterz@infradead.org> wrote:
> Subject: futex: fix reference leak > From: Peter Zijlstra <peterz@infradead.org> > > Catalin noticed that (38d47c1b7075: futex: rely on get_user_pages() for > shared futexes) caused an mm_struct leak. > > Some tracing with the function graph tracer quickly pointed out that > futex_wait() has exit paths with unbalanced reference counts. > > This regression was discovered by kmemleak. > > Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> > Tested-by: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com> > Tested-by: Catalin Marinas <catalin.marinas@arm.com> > Reported-by: Catalin Marinas <catalin.marinas@arm.com> > --- > kernel/futex.c | 53 ++++++++++++++++++++++++++++------------------------- > 1 files changed, 28 insertions(+), 25 deletions(-)
Applied to tip:core/urgent, thanks guys!
Ingo
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