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References: <20230313165605.12325-1-pivashchenko@nfware.com>
<20230316191456.54066-1-pivashchenko@nfware.com> <ZBQeqeV6XWaNTwsK@platinum>
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From: David Marchand <david.marchand@redhat.com>
Date: Fri, 17 Mar 2023 09:09:27 +0100
Message-ID: <CAJFAV8y-ZaWggoviRcrWFqGTAaSMsKY2rCuAPs0HcmuX6K_ssQ@mail.gmail.com>
Subject: Re: [PATCH v2 1/1] test/mbuf: fix mbuf autotest when mbuf debug is
enabled
To: Pavel Ivashchenko <pivashchenko@nfware.com>
Cc: dev@dpdk.org, stable@dpdk.org, Olivier Matz <olivier.matz@6wind.com>
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On Fri, Mar 17, 2023 at 9:03=E2=80=AFAM Olivier Matz <olivier.matz@6wind.co=
m> wrote:
> On Thu, Mar 16, 2023 at 10:14:56PM +0300, Pavel Ivashchenko wrote:
> > How to reproduce:
> >
> > 1. Define RTE_LIBRTE_MBUF_DEBUG
> > 2. MALLOC_PERTURB_=3D178 DPDK_TEST=3Dmbuf_autotest gdb --args obj-x86_6=
4-linux-gnu/app/test/dpdk-test --file-prefix=3Dmbuf_autotest
> >
> > PANIC in rte_mbuf_sanity_check():
> > bad pkt_len
> >
> > ...
> > #6 0x00007ffff7d3d4cc in rte_mbuf_sanity_check (m=3Dm@entry=3D0x17f=
8c3400, is_header=3Dis_header@entry=3D1) at ../lib/mbuf/rte_mbuf.c:384
> > #7 0x0000555555653d57 in rte_pktmbuf_free (m=3D0x17f8c3400) at ../l=
ib/mbuf/rte_mbuf.h:1385
> > #8 0x000055555565c7a6 in test_nb_segs_and_next_reset () at ../app/t=
est/test_mbuf.c:2752
> > #9 test_mbuf () at ../app/test/test_mbuf.c:2967
> > ...
> >
> > (gdb) frame 6
> > #6 0x00007ffff7d3d4cc in rte_mbuf_sanity_check (m=3Dm@entry=3D0x17f=
8c3400, is_header=3Dis_header@entry=3D1) at ../lib/mbuf/rte_mbuf.c:384
> > 384 rte_panic("%s\n", reason);
> > (gdb) p/d m->pkt_len
> > $4 =3D 1500
> >
> > Fixes: efc6f9104c80 ("mbuf: fix reset on mbuf free")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Pavel Ivashchenko <pivashchenko@nfware.com>
> Acked-by: Olivier Matz <olivier.matz@6wind.com>
Applied, thanks.
--=20
David Marchand