[dpdk-dev] [PATCH v3] eal: fix use-after-free issue on thread creation

Thomas Monjalon thomas at monjalon.net
Wed May 2 17:26:18 CEST 2018


02/05/2018 16:56, Olivier Matz:
> On Wed, May 02, 2018 at 01:52:14PM +0000, Jianfeng Tan wrote:
> > After below commit, we encounter some strange issue:
> >   1) Dead lock as described here:
> >      http://dpdk.org/ml/archives/dev/2018-April/099806.html
> >   2) SIGSEGV issue when starting a testpmd in VM.
> > 
> > Considering below commit changes to use dynamic memory instead of
> > stack for memory barrier, we doubt it's caused by use-after-free.
> > 
> > Fixes: 3d09a6e26d8b ("eal: fix threads block on barrier")
> > 
> > Reported-by: Maxime Coquelin <maxime.coquelin at redhat.com>
> > Reported-by: Lei Yao <lei.a.yao at intel.com>
> > Suggested-by: Stephen Hemminger <stephen at networkplumber.org>
> > Signed-off-by: Jianfeng Tan <jianfeng.tan at intel.com>
> > Suggested-by: Olivier Matz <olivier.matz at 6wind.com>
> 
> Reviewed-by: Olivier Matz <olivier.matz at 6wind.com>
> 
> Thank you for fixing my stuff :)

Applied, thanks





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