Hi Ben,

The problem seems to be due to external libraries that we have linked with
VPP. These external libraries have not been compiled with ASAN.
I could see that when those external libraries were suppressed through the
MyASAN.supp file, VPP started running with ASAN enabled.

Thanks,
Rajith

On Wed, May 26, 2021 at 2:25 PM Benoit Ganne (bganne) <bga...@cisco.com>
wrote:

> Hi Rajith,
>
> > I was able to proceed further after setting LD_PRELOAD to the asan
> > library. After this i get SIGSEGV crash in asan. These dont seem to be
> > related to our code, as without ASAN they have been perfectly working.
>
> I suspect the opposite 😊 - ASan detects errors we do not detect in
> release or debug mode, esp. out-of-bound access and use-after-free. Look
> carefully at /home/supervisor/libvpp/src/vpp/rtbrick/rtb_vpp_ifp.c:287
>
> Best
> ben
>
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