From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 90DC3D3B7E2 for ; Mon, 8 Dec 2025 10:22:28 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vSYNC-0004q5-9N; Mon, 08 Dec 2025 05:21:42 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vSYNA-0004pc-Gk for grub-devel@gnu.org; Mon, 08 Dec 2025 05:21:40 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vSYN7-0004fo-UT for grub-devel@gnu.org; Mon, 08 Dec 2025 05:21:40 -0500 Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5B7JRK40014495; Mon, 8 Dec 2025 10:21:36 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=pp1; bh=HWfQcBhomi6cymeD5TZ++sUZye9cHz7TqjvstfuBL 6E=; b=jRax8wsyrXcDiIt0VFh2frJ2ryF170S5CP/+eT/YiUc8nBABd7oUMrh9x ff9C/FzsK1ObWJ3empXQLtF3g8XXQ99qjweJ+hdKc0Nf5H7TQMsRZDa9Fieu1RKo zSjxggPMnJH7eKYmN8Sp1HpW7VFk9rtFdHWWwl2Jwjvzb+G4YbvTj0crNgcK3SJr hIzYXPn9GqvNWtpB7CI0aEXjhaCiIlFAKgheTeYjFRi7AVobSfQQHCfik+KiWioP gnNDUHhLvU8+tRczi3/gyUjsIYKHsZH66eoNvk0Ib0sOr79xTIz84RRyPlFyNngq F/1FJA2rVjrSLCgJ/IJC5JjZDFeOg== Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4avc536rjk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Dec 2025 10:21:36 +0000 (GMT) Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 5B86Y7lD028119; Mon, 8 Dec 2025 10:21:35 GMT Received: from smtprelay04.fra02v.mail.ibm.com ([9.218.2.228]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4avy6xn6c1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Dec 2025 10:21:35 +0000 Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 5B8ALVf123921330 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 8 Dec 2025 10:21:31 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B7DAA2006E; Mon, 8 Dec 2025 10:21:31 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 85DB020065; Mon, 8 Dec 2025 10:21:30 +0000 (GMT) Received: from li-fc74f8cc-3279-11b2-a85c-ef5828687581.ibm.com.com (unknown [9.39.16.128]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 8 Dec 2025 10:21:30 +0000 (GMT) From: Srish Srinivasan To: grub-devel@gnu.org Cc: daniel.kiper@oracle.com, sudhakar@linux.ibm.com, sridharm@linux.ibm.com, ssrish@linux.ibm.com Subject: [PATCH] aros/hostdisk: Fix use-after-free bug during MsgPort deletion Date: Mon, 8 Dec 2025 15:51:29 +0530 Message-ID: <20251208102129.705955-1-ssrish@linux.ibm.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjA2MDAyMCBTYWx0ZWRfXyFqN0+hVJe24 kokOIcbOpyeh1g5qWI6SnnZEnLq4Nh5ZzXawKDw7D4Z4JS5eQ0K9YDC8QsFTOX7Ya0G8jNU/zkY yqNAbssWi8E3R/46OnobKsytRHLjFIHRzDL1yvRU4GhfOwt4hRrMinLFsJJwvJ+koKp/RF84K0k 23rDe14N4fMJ8AXrexy53rnQNGezMdL7ZGi2dJjqbN9D7tuLuHmYuQBuS53LxQhAegT1TyNw4DS 0D/pmoXHRW/e02h0ebo6CbpB50vbT1FLc15a+sGjJtv4qu/TMe9aFRXpjcNZGKWDe8CeYvEz1zX j5iwP1q4uTda9kEEeQTdPQE4TdhQjHKSTcuuD4YnjDCpaU4wuRtmQS6/72fM+5X1oLG2/i1DwqH OvPaR8ThcFOdtizmGYWtrE8X21gjDg== X-Authority-Analysis: v=2.4 cv=S/DUAYsP c=1 sm=1 tr=0 ts=6936a6b0 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=wP3pNCr1ah4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=9DqwG5-epeY-PVWP_9MA:9 X-Proofpoint-ORIG-GUID: tzXwQbtwvjXp6EO3_iqYbeArL1pCc3nk X-Proofpoint-GUID: tzXwQbtwvjXp6EO3_iqYbeArL1pCc3nk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-06_02,2025-12-04_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 clxscore=1015 impostorscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 bulkscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2512060020 Received-SPF: pass client-ip=148.163.158.5; envelope-from=ssrish@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: The development of GNU GRUB Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: grub-devel-bounces+grub-devel=archiver.kernel.org@gnu.org Sender: grub-devel-bounces+grub-devel=archiver.kernel.org@gnu.org SW5zaWRlIGdydWJfdXRpbF9mZF9vcGVuLCBhIGZhaWx1cmUgd2hpbGUgY3JlYXRpbmcgYW4gSU8K cmVxdWVzdCBvciBvcGVuaW5nIGEgZGV2aWNlIGZyZWVzIHJldCAodGhlIGZkKSBiZWZvcmUgaXRz Ck1zZ1BvcnQgaXMgZGVsZXRlZC4gVGhpcyBsZWFkcyB0byBhIHVzZS1hZnRlci1mcmVlIHNjZW5h cmlvLgoKRml4IHRoaXMgYnkgZnJlZWluZyByZXQgYWZ0ZXIgaXRzIE1zZ1BvcnQgaGFzIGJlZW4g ZGVsZXRlZC4KClNpZ25lZC1vZmYtYnk6IFNyaXNoIFNyaW5pdmFzYW4gPHNzcmlzaEBsaW51eC5p Ym0uY29tPgotLS0KIGdydWItY29yZS9vc2RlcC9hcm9zL2hvc3RkaXNrLmMgfCA2ICsrKy0tLQog MSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKCmRpZmYgLS1n aXQgYS9ncnViLWNvcmUvb3NkZXAvYXJvcy9ob3N0ZGlzay5jIGIvZ3J1Yi1jb3JlL29zZGVwL2Fy b3MvaG9zdGRpc2suYwppbmRleCAwODcyM2JkNDUuLmM3NTQ3NDkzMyAxMDA2NDQKLS0tIGEvZ3J1 Yi1jb3JlL29zZGVwL2Fyb3MvaG9zdGRpc2suYworKysgYi9ncnViLWNvcmUvb3NkZXAvYXJvcy9o b3N0ZGlzay5jCkBAIC0yMDcsOCArMjA3LDggQEAgZ3J1Yl91dGlsX2ZkX29wZW4gKGNvbnN0IGNo YXIgKmRldiwgaW50IGZsZykKIAkJCQkJCSBzaXplb2Yoc3RydWN0IElPRXh0VEQpKTsKICAgaWYg KCFyZXQtPmlvcmVxKQogICAgIHsKLSAgICAgIGZyZWUgKHJldCk7CiAgICAgICBEZWxldGVNc2dQ b3J0IChyZXQtPm1wKTsKKyAgICAgIGZyZWUgKHJldCk7CiAgICAgICByZXR1cm4gTlVMTDsKICAg ICB9CiAKQEAgLTIyNSw5ICsyMjUsOSBAQCBncnViX3V0aWxfZmRfb3BlbiAoY29uc3QgY2hhciAq ZGV2LCBpbnQgZmxnKQogICBpZiAoT3BlbkRldmljZSAoKHVuc2lnbmVkIGNoYXIgKikgdG1wLCB1 bml0LAogCQkgIChzdHJ1Y3QgSU9SZXF1ZXN0ICopIHJldC0+aW9yZXEsIGZsYWdzKSkKICAgICB7 Ci0gICAgICBmcmVlICh0bXApOwotICAgICAgZnJlZSAocmV0KTsKICAgICAgIERlbGV0ZU1zZ1Bv cnQgKHJldC0+bXApOworICAgICAgZnJlZSAocmV0KTsKKyAgICAgIGZyZWUgKHRtcCk7CiAgICAg ICByZXR1cm4gTlVMTDsKICAgICB9CiAgIGZyZWUgKHRtcCk7Ci0tIAoyLjQzLjAKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkdydWItZGV2ZWwgbWFpbGlu ZyBsaXN0CkdydWItZGV2ZWxAZ251Lm9yZwpodHRwczovL2xpc3RzLmdudS5vcmcvbWFpbG1hbi9s aXN0aW5mby9ncnViLWRldmVsCg==