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Date:      Tue, 26 Oct 2021 15:55:55 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 259458] iflib_rxeof NULL pointer crash with vmxnet3 driver
Message-ID:  <bug-259458-227-vbvsitAykw@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-259458-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-259458-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259458

--- Comment #10 from Andriy Gapon <avg@FreeBSD.org> ---
(In reply to Mark Johnston from comment #8)
Not seeing any fails in either the mbuf or cluster zone:

(kgdb) p *$2.ifl_zone
$81 =3D {uz_lockptr =3D 0xfffff800029c70e0, uz_name =3D 0xffffffff80ab810f
"mbuf_cluster", uz_domain =3D 0xfffff800029c6580, uz_flags =3D 264, uz_size=
 =3D 2048,
uz_ctor =3D 0xffffffff80721440 <mb_ctor_clust>, uz_dtor =3D 0x0, uz_init =
=3D 0x0,=20
  uz_fini =3D 0x0, uz_import =3D 0xffffffff80981940 <zone_import>, uz_relea=
se =3D
0xffffffff8097dbc0 <zone_release>, uz_arg =3D 0xfffff800029c6000, uz_slab =
=3D
0xffffffff809818a0 <zone_fetch_slab>, uz_count =3D 12, uz_count_min =3D 5,=
=20
  uz_link =3D {le_next =3D 0x0, le_prev =3D 0xfffff800029c7110}, uz_kegs =
=3D {lh_first
=3D 0xfffff800029c60a0}, uz_lock =3D {lock_object =3D {lo_name =3D 0xffffff=
ff80ab810f
"mbuf_cluster", lo_flags =3D 21168128, lo_data =3D 0, lo_witness =3D 0x0},=
=20
    mtx_lock =3D 0}, uz_klink =3D {kl_link =3D {le_next =3D 0x0, le_prev =3D
0xfffff800029c6078}, kl_keg =3D 0xfffff800029c70e0}, uz_warning =3D
0xffffffff80abda84 "kern.ipc.nmbclusters limit reached", uz_ratecheck =3D {=
tv_sec
=3D 0,=20
    tv_usec =3D 0}, uz_maxaction =3D {ta_link =3D {stqe_next =3D 0x0}, ta_p=
ending =3D 0,
ta_priority =3D 0, ta_func =3D 0xffffffff807213f0 <mb_reclaim>, ta_context =
=3D
0xfffff800029c6000}, uz_allocs =3D 0, uz_fails =3D 0, uz_frees =3D 0,=20
  uz_sleeps =3D 0, uz_cpu =3D 0xfffff800029c6180}

(kgdb) p *zone_mbuf
$82 =3D {uz_lockptr =3D 0xfffff800029c7000, uz_name =3D 0xffffffff80a8de52 =
"mbuf",
uz_domain =3D 0xfffff800028e6b40, uz_flags =3D 0, uz_size =3D 256, uz_ctor =
=3D
0xffffffff80721320 <mb_ctor_mbuf>, uz_dtor =3D 0xffffffff807213d0 <mb_dtor_=
mbuf>,=20
  uz_init =3D 0x0, uz_fini =3D 0x0, uz_import =3D 0xffffffff80981940 <zone_=
import>,
uz_release =3D 0xffffffff8097dbc0 <zone_release>, uz_arg =3D 0xfffff800028e=
65c0,
uz_slab =3D 0xffffffff809818a0 <zone_fetch_slab>, uz_count =3D 253,=20
  uz_count_min =3D 253, uz_link =3D {le_next =3D 0xfffff800029c65c0, le_pre=
v =3D
0xfffff800029c7030}, uz_kegs =3D {lh_first =3D 0xfffff800028e6660}, uz_lock=
 =3D
{lock_object =3D {lo_name =3D 0xffffffff80a8de52 "mbuf", lo_flags =3D 21168=
128,=20
      lo_data =3D 0, lo_witness =3D 0x0}, mtx_lock =3D 0}, uz_klink =3D {kl=
_link =3D
{le_next =3D 0x0, le_prev =3D 0xfffff800028e6638}, kl_keg =3D 0xfffff800029=
c7000},
uz_warning =3D 0xffffffff80acfe1a "kern.ipc.nmbufs limit reached",=20
  uz_ratecheck =3D {tv_sec =3D 0, tv_usec =3D 0}, uz_maxaction =3D {ta_link=
 =3D
{stqe_next =3D 0x0}, ta_pending =3D 0, ta_priority =3D 0, ta_func =3D
0xffffffff807213f0 <mb_reclaim>, ta_context =3D 0xfffff800028e65c0}, uz_all=
ocs =3D
0, uz_fails =3D 0,=20
  uz_frees =3D 0, uz_sleeps =3D 0, uz_cpu =3D 0xfffff800028e6740}

--=20
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