From nobody Sun Oct 11 01:19:11 2026 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4j2N6S03vZz6w9Gg for ; Sun, 11 Oct 2026 01:19:12 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4j2N6R6Yrlz3NBF for ; Sun, 11 Oct 2026 01:19:11 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1791681551; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=iEgRqc6AgaxPtAERFHOIuzbE1i5UBa+NgozL8PV8weU=; b=bQu/HQiI9zp4QrhvF4ZnGUTtgHyNqlKGG42XqzqF+37/nWiKj8CWj4lmYlEMdhQop9G5b+ W9EgbtEPT0/fv04kBDnEUGT5LDhFX8Vz3+C2mtEzFpjx1uy4gZNTecOX/uCLTaXOOsb3Ix vmRWYSAI0QN7aEIuB8qETV3L+xye9WAgpVhaR8Cmxtrq6jHgt49aHkMW27WTfogZdw9DIk uwpyOBwg72Z5fwoqkfoNqo1sK778KGlp4FCsrRX4vkUONB98lBW5hN1DunAfRV1geIhBay wh2cwksGhxQyvg246FYcgpG5qqhaUCX/7t2pQEFGx17aHopObKYPNPQRAW8wXA== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1791681551; b=v4c0KqUhV2jXFiUwAiXvwgr6wj6oOWLEYK+f6UwdpxnzSod4eyYIMO1MWe7nFS+xh5kaRx BmnXdSLa1BHMuXv40vW5rMDz4y4ECR2Jwb1UQY25NOBdXNkTxu5WRDZXStPVAcQINSNVv8 /TaioYXM/AgBLVRp794b6w+uUuwBxpz+zaSzvMXlL4q/ySiLajilqQ3QM3mN81bHxevLtC bc4FXqeL1+At8bysMcjNvZWdLEWWXHfkA3QihqEpuvFzw9anOXHaxdc80mhv+KsFfFzciS dedEXTcVuraizgSLd+nRlLgzmgMGM0+1ORjiTcZ+aDVtfpnXh1QrxaLZR1pocQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1791681551; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=iEgRqc6AgaxPtAERFHOIuzbE1i5UBa+NgozL8PV8weU=; b=DqP/sECa760Vql0SHgvbN1LU26QAqtX34AIJp7LqElyf0B1iqLSaC4IA2bwhqXHREzXSDY q98wxVIflheW/b6vANQeeCQd73FW8F4M6rexrXJeZ0iT1zTVCjI6Rbe4ftT6m3gV2csPUx DiUYypIG3BS5jiJ+7MSxFjBRnYeBBPd/lP499avkObDPQPcgOtLlrStp4OuJBqY2eFiAOd Ht0hbun+IyGgvcOkDDE1TKyIg38ptVKowh5CI4y+4rQ+AK975rCv45FEQ/f5+WLzwfC0Vi zvcq93rPZfofL1iRpYqKykrxabTpQmS0kXAN1sb5vHGxFABy6GCGB1svf7R2tQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4j2N6R5d83zJgq for ; Sun, 11 Oct 2026 01:19:11 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 341e9 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Sun, 11 Oct 2026 01:19:11 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Cc: Quent=?utf-8?Q?in Th=C3=A9?=bault From: Kevin Bowling Subject: git: 5329e07a6f50 - stable/15 - bhyve: tpm: allow the last dword of the CRB command buffer List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: Commit messages for all branches of the src repository List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kbowling X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 5329e07a6f50bff44c5c034d5aeee13187c9b242 Auto-Submitted: auto-generated Date: Sun, 11 Oct 2026 01:19:11 +0000 Message-Id: <6acae40f.341e9.19b7cb0e@gitrepo.freebsd.org> The branch stable/15 has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=5329e07a6f50bff44c5c034d5aeee13187c9b242 commit 5329e07a6f50bff44c5c034d5aeee13187c9b242 Author: Quentin Thébault AuthorDate: 2026-08-07 14:02:08 +0000 Commit: Kevin Bowling CommitDate: 2026-10-11 01:19:00 +0000 bhyve: tpm: allow the last dword of the CRB command buffer The bounds check rejected any access ending exactly at the end of the register block, so a four byte write at offset 0xffc was refused, returning EINVAL and killing the VM. PR: 291063 Fixes: 75909086a45d ("bhyve: allow read/write to full CRB buffer") Sponsored by: Defenso Signed-off-by: Quentin Thébault Reviewed-by: aokblast, kevans, markj Pull-Request: https://github.com/freebsd/freebsd-src/pull/2362 (cherry picked from commit 4505445ccdb9555efc23262a971a18ca03486969) --- usr.sbin/bhyve/tpm_intf_crb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/usr.sbin/bhyve/tpm_intf_crb.c b/usr.sbin/bhyve/tpm_intf_crb.c index 7058b47733f3..ef1a3a6bf34a 100644 --- a/usr.sbin/bhyve/tpm_intf_crb.c +++ b/usr.sbin/bhyve/tpm_intf_crb.c @@ -321,7 +321,7 @@ tpm_crb_mem_handler(struct vcpu *vcpu __unused, const int dir, crb = arg1; off = addr - TPM_CRB_ADDRESS; - if (off > TPM_CRB_REGS_SIZE || off + size >= TPM_CRB_REGS_SIZE) { + if (off > TPM_CRB_REGS_SIZE || off + size > TPM_CRB_REGS_SIZE) { return (EINVAL); }