From nobody Mon Dec 29 18:49:27 2025 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 4dg4yJ3ttCz6MBNH for ; Mon, 29 Dec 2025 18:49:28 +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 "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dg4yJ15NQz3SQC for ; Mon, 29 Dec 2025 18:49:28 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1767034168; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=tPB5/K9sr4dwRE7XcVUbw+ssLBLdCgKtdBY8UHUEzgM=; b=siRVYcgrim57jinBjxpsbv04Fzcetj0h2JDV+tEjXKmD7eMENbISqhM/B8zyPCQNZLlLua KQMcBT8w7mBjYfo0ywzkuq5uQk6Db5NvHZv4Onw2RBqhv/+7fJZMLPne8XJFJSqdq7A8xU yq6cMIxoomqCTJEs+T5voV9BzqqUfmETYQSaI4QBIjdAIcEA2/Rsmvwj1wvAvC6uI1gqVx 4flXR6byLeRSvOdmtSWg7oXS3S8dL2IRXS6B57iPW5j72w1T4zoO6DQEzfFXtCVYMY+30k HnRo89B8CQVR3LrU3mWyXsxLagi5d0OxON32Ca1v9hN5sjwyetTbx8zKKFcXkA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1767034168; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=tPB5/K9sr4dwRE7XcVUbw+ssLBLdCgKtdBY8UHUEzgM=; b=CGh9wgtPZ7U8IAezlMZeW6GZEDaSmyf///vLv/TA63mqXhSYz1AUvcYCX3eK8yj9Io5W0X eUEgXFW5NLpdaOYlGD16Ia1sHEjrnKMDjRK4b4IKcE+DJiokyYWsGHhJYIoa235Q1tdpwD bS7N0NWPNerLDJnHEKpUAO84BHQMl3O/zBA/nH1VTPSsawctVIK2Ncbk2lFnz0JCLt/wZy 1fbLnSFC4ktX4vYnBM8LusuktPyQMXG6OMRaRD4xoIyVKcj8IaSwJrdXcPyUj+t3nP2mv8 QjwoSXHJB/RWy5k1fr6aAawFftJlmxvvuGKceiVw2nDfYFLW/+i/dqS8JdFdlg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1767034168; a=rsa-sha256; cv=none; b=yxRxVolrDlH4KP7NFMf+a7gWpgBZacjX2oRx+f7NFiEqbTFrKp5JPmJFR3+m/2vAhWPdL2 0LR1PDjT3opK5tuxBMZqQhHL9pud0aHYIiRFbugEZbgAVK9cXeuxZe5AR7mnK5IT1HnniX zVcthjpSm+oTQOf+owgi5mu1MKJgifeaL30xsj7tV06N5SC2xvYGB9l02zpYe4MG07IbWA Jhp5upWALGxjXTDFQJZ2v79kWPc500ZcV+2yxs7HX4zcfHiwYq/nZwwX6Zk0qgmFNHoUHD 4SWD2/hkRgFlOzNyYHE9+jK31xJbWp7hjrkmHxEkoBqSV7SxyuJUfGWNTxPxgg== 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 4dg4yH5rpXzBcF for ; Mon, 29 Dec 2025 18:49:27 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 38c94 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 29 Dec 2025 18:49:27 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Ka Ho Ng Subject: git: 9cfd75a6f88f - stable/15 - bio: Fix KASAN invalid access report in biodone List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: khng X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 9cfd75a6f88f2076d7cd7e18acc9d89f6055e8fe Auto-Submitted: auto-generated Date: Mon, 29 Dec 2025 18:49:27 +0000 Message-Id: <6952cd37.38c94.200e44cd@gitrepo.freebsd.org> The branch stable/15 has been updated by khng: URL: https://cgit.FreeBSD.org/src/commit/?id=9cfd75a6f88f2076d7cd7e18acc9d89f6055e8fe commit 9cfd75a6f88f2076d7cd7e18acc9d89f6055e8fe Author: Ka Ho Ng AuthorDate: 2025-12-29 15:49:29 +0000 Commit: Ka Ho Ng CommitDate: 2025-12-29 18:47:56 +0000 bio: Fix KASAN invalid access report in biodone Do not touch the bio fields after calling the bio_done callback. The bio might have been freed after the callback returns. Fixes: 725f4b108d54 Reported by: kp, markj --- sys/kern/vfs_bio.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index dc90bd3add22..2368f863a248 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -4523,8 +4523,6 @@ biodone(struct bio *bp) bp->bio_flags |= BIO_ERROR_COMPAT; } done(bp); - bp->bio_error_compat = 0; - bp->bio_flags &= ~BIO_ERROR_COMPAT; } }