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Mon, 4 Mar 2024 00:27:46 GMT (envelope-from git) Date: Mon, 4 Mar 2024 00:27:46 GMT Message-Id: <202403040027.4240RkA1042675@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: 7f387adb6996 - stable/14 - ipsec esp: avoid dereferencing freed secasindex List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 7f387adb6996c8fe93a280b97048d41bfd0daa1f Auto-Submitted: auto-generated The branch stable/14 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=7f387adb6996c8fe93a280b97048d41bfd0daa1f commit 7f387adb6996c8fe93a280b97048d41bfd0daa1f Author: Konstantin Belousov AuthorDate: 2024-02-25 10:30:48 +0000 Commit: Konstantin Belousov CommitDate: 2024-03-04 00:27:17 +0000 ipsec esp: avoid dereferencing freed secasindex (cherry picked from commit 1a56620b7958cac2b9048589cb730c46958ab539) --- sys/netipsec/xform_esp.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/netipsec/xform_esp.c b/sys/netipsec/xform_esp.c index 16f7b24375fa..7ad6085db87f 100644 --- a/sys/netipsec/xform_esp.c +++ b/sys/netipsec/xform_esp.c @@ -508,6 +508,13 @@ esp_input_cb(struct cryptop *crp) xd = crp->crp_opaque; CURVNET_SET(xd->vnet); sav = xd->sav; + if (sav->state >= SADB_SASTATE_DEAD) { + /* saidx is freed */ + DPRINTF(("%s: dead SA %p spi %#x\n", __func__, sav, sav->spi)); + ESPSTAT_INC(esps_notdb); + error = ESRCH; + goto bad; + } skip = xd->skip; protoff = xd->protoff; cryptoid = xd->cryptoid;