nx7njJWtMqMBq6MJkG5prnOKtIEhetscF5H fvi0NsR8hvZ5TSTKLvZvwmYXn2m48UWmOPAIUBuF66PTTk3WgvvkxbgY4dkL0= X-Gm-Gg: AeBDieuvUljEeJUNgQZZQWXyu855OVHgyZv6r5lSD7DSeYq3qE6nrSNHTo5qM1al1Rs /EFWYLSYcxGwwoVMqtnbAweGX7gGTM/8d/u7Gnl5tWukJda/igJgwbjfGzvKC5Gxcvtd8Kc2aGv 4/K5EgSiGM1NOIjMk0GavhN47xdFHe7aFoFiIMHJUE1ziCgx3ChuEOFasUWvZ9dRhjPiQAq/LEf Fsz2Rr1yemlTXcADJjUOf+s53jKhWUJRDBlt2OiEQ/o8dkD+4cN2G0xEIhVUqBcvZOSqIKbYyRC tSDwsoedLIGZM2N+0PvUTQAFoggTIzr7saArm3bBs/rjqS0FoA1ZgbLRQq8Tfvp4ivRBbK10E6+ QIluAbxng4MXpEuieAm7z/EzPR/CtNblJbymGAAn3A9yPp94XnXu7A6Kj9qBCSniZuuAvhRBDPu MX+aQ+LcKLVielDTM= X-Received: by 2002:a05:6808:690a:b0:467:f9f7:6356 with SMTP id 5614622812f47-4798500625amr473513b6e.16.1776281546153; Wed, 15 Apr 2026 12:32:26 -0700 (PDT) Received: from mutt-hbsd ([2001:470:4001:1::95]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-426896a07cesm2037341fac.15.2026.04.15.12.32.25 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Apr 2026 12:32:25 -0700 (PDT) Date: Wed, 15 Apr 2026 19:32:26 +0000 From: Shawn Webb To: freebsd-current@freebsd.org Subject: LRO Kernel Panic on Hyper-V VM Message-ID: X-Operating-System: FreeBSD mutt-hbsd 15.0-STABLE-HBSD FreeBSD 15.0-STABLE-HBSD HARDENEDBSD amd64 X-PGP-Key: https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/blob/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="lqzq3p5wfupredzm" Content-Disposition: inline X-Spamd-Result: default: False [-5.60 / 15.00]; SIGNED_PGP(-2.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.996]; DMARC_POLICY_ALLOW(-0.50)[hardenedbsd.org,none]; MID_RHS_NOT_FQDN(0.50)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4864::/56]; R_DKIM_ALLOW(-0.20)[hardenedbsd.org:s=google]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCPT_COUNT_ONE(0.00)[1]; MISSING_XM_UA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::230:from]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; DKIM_TRACE(0.00)[hardenedbsd.org:+] X-Rspamd-Queue-Id: 4fwrrc4RMZz3VJw X-Spamd-Bar: ----- --lqzq3p5wfupredzm Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: LRO Kernel Panic on Hyper-V VM MIME-Version: 1.0 Hey all, I've updated one of my Hyper-V VMs earlier today against an up-to-date source tree. I've noticed quite a few networking-related changes in FreeBSD on 16-CURRENT and I suspect (at least) one of those changes is problematic. I'm not at all well-versed in the networking code, so I'm unsure what's going on. I've uploaded a core.txt dump: https://hardenedbsd.org/~shawn/2026-04-15_lro-panic-r01.txt Thanks, --=20 Shawn Webb Cofounder / Security Engineer HardenedBSD Signal Username: shawn_webb.74 Tor-ified Signal: +1 303-901-1600 / shawn_webb_opsec.50 https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A= 4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc --lqzq3p5wfupredzm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEA6TL67gupaZ9nzhT/y5nonf44foFAmnf57cACgkQ/y5nonf4 4foCGQ/9F0/u6djDWHSZa/DtvlwSzlhq+rxVKSvK0GNa2qQihrNTziwPIyVQ7tHu 7A0bJC1WzTVd+6z1AE5a3cfmT1k8/GVs6IaqVTPCGmVsa8TipaNc7fnjh12Kpqhu kvlerIeFQniqIJnt0lLygcg9JbqvFKmkEmwrHz0lOI2ivjvKNJartp1NBXi6g1dM xruy7mfhYzHuMOSXOrecG8lxZEmO00NDdQt/6LQVUpKJdQGZi99ulF91qei8afFb Mkg1gKfRWiUY0/wq0uZC/dcLkEVH7MEgObUunEYu/TxfB6bfVMzMRsbmdWcfcVZX /uq5AMgkMulh+7FYwEWxEpBLRgvEmSii9bKeT1M5AcDT/TPGG2Tp6jHH+6Igrn7s p2j+GVfnj7lhcF/va15+6MlNFFM9ABrkMByNLdO9NJfSLT01x9su8YW5wk+P813H 38llo4rzXVXPQSDt3yEQsYid6VMMKD8WplKHU7MaFe3ym8ARlY4GxsJS4G5xUB50 vAPiawdN+7nUxosl9S14dfbWpL2EuOzW1WS3HLOiFPD8NxNEpIJJXZ3DbDHqGjuk 5zjYykoMpkmxIzEtAUvpKeiQRdjf2qVDd2TgYDmdkMrGaamIi+Rk1lo2Ha63NLEf 3PyuDL6/bv5xJY/O4zUN9kivqN9bBReSxtmBcs0kgB8meE0n4/0= =K3ew -----END PGP SIGNATURE----- --lqzq3p5wfupredzm--