From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C6D513F54A7 for ; Thu, 3 Sep 2026 07:15:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788419710; cv=none; b=lW4kTB5696Nz//BbSb9GJfg9b2+J7lZkGbkqJ67HaPz4Zh089UAej6A4b2momPyDKksRLPO3us4NBxXIo5iTTnA2UN7UmKF2Kma3WhIJf4/MZ4wRIexrrCUJSQ4kBSdK3pQoiuj5JhZhVJzNgMDnwdx5qBJunvsNiCgijqVnxzI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788419710; c=relaxed/simple; bh=7I1TM4mon99cdjX6OXkeFOr+D3Q+nPVjU9R5xcOg7WM=; h=Date:From:To:Cc:Subject:Content-Type:MIME-Version:Message-ID; b=JnLAVmS3uOgUcavtGBFqB7NlLz8WxTU8y5ZwcrjsGi6Qiuv6vsemo+pLgWNevpMuaPlMxy4gu32DchPrrW/WvmIeCQGEHDwmOiww0rOuw2Y3ZEngtqQYK4HLYH3lnm2NxGbqIFwTZOfG0lhROVeJTUWJY4AvyxK4haaXUBnMmiY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=G1sblck7; arc=none smtp.client-ip=117.135.210.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="G1sblck7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=7I1TM4mon99cdjX6OXkeFOr+D3Q+nPVjU9R5xcOg7WM=; b=G 1sblck7J5VGed5JYzu0Nir4PCiMcfWad17tD/6oIqrn9haI2JIs/ji2ZAso2x8tR pB6QCQeItRrsi4IcjDMij4Yj4x1Ip7ZcZArywwLm6oBohPyGMYeFLL8A8vp0//HP Jq1Wep5tr9oC+Y95i6rCiFDRZeAFXe64h4dsbkI/Q0= Date: Thu, 3 Sep 2026 15:14:26 +0800 (CST) From: CJ To: jack@suse.com Cc: linux-kernel@vger.kernel.org, syzbot+61564e5023b7229ec85d@syzkaller.appspotmail.com Subject: [BUG] udf: possible use-after-free in udf_close_lvid X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 163com X-NTES-SC: AL_Qu2TCviatk4t4CeaZ+kdnk8aj+g+UcCwufkj24Bfc+8GgRv84DoEfW1FPnbL6uekLwG0vT6TaBlX0txmU4J4efaUhMPSIW1gqtWASNPqmA== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <451669fc.58e2.1a0661e7329.Coremail.firefly0158@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:kygvCgD3n+lTHplqE4o+AA--.7610W X-CM-SenderInfo: piluvw1o1qikqy6rljoofrz/xtbC3ROcTmqZHlO4TgAA3U X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CkhpLAoKCkkgYW0gcmVwb3J0aW5nIHRoYXQgdXNlLWFmdGVyLWZyZWUgaW4gdWRmX2Nsb3NlX2x2 aWQgYXBwZWFycyB0byByZW1haW4KcmVwcm9kdWNpYmxlIHdpdGggYSBtaWdyYXRlZCBzeXprYWxs ZXIgcmVwcm9kdWNlciBvbiBMaW51eCA3LjItcmMzLiBUaGUKdGVzdGVkIEhFQUQgY29tbWl0IGlz IGExM2MxNDBjYzI4OWMwYjdiMzc3MGJjZTViM2FkNDJhYjM1MDc0YWEuCgoKVGhlIHJlcHJvZHVj ZXIgbW91bnRzIGFuZCB1bm1vdW50cyBhIGNyYWZ0ZWQgVURGIGltYWdlLCByZWFjaGluZwp1ZGZf cHV0X3N1cGVyKCkgYW5kIHVkZl9jbG9zZV9sdmlkKCkgZHVyaW5nIHN1cGVyYmxvY2sgdGVhcmRv d24uCgoKVGhlIHRhcmdldCBydW4gZmF1bHRzIGluIHVkZl9jbG9zZV9sdmlkKCksIHdoaWxlIHRo ZSBzdHJ1Y3R1cmFsbHkgbWF0Y2hpbmcKYXJjaGl2ZWQgcmVwb3J0IGlkZW50aWZpZXMgYSB1c2Ut YWZ0ZXItZnJlZSB3cml0ZSBpbiB0aGUgc2FtZSBmdW5jdGlvbiBhbmQKdGVhcmRvd24gcGF0aC4K CgpUaGlzIGxvb2tzIGxpa2UgbGlmZXRpbWUgb3IgdGVhcmRvd24gb3JkZXJpbmcgYXJvdW5kIHRo ZSBsb2dpY2FsIHZvbHVtZQppbnRlZ3JpdHkgZGVzY3JpcHRvciwgYWxsb3dpbmcgdWRmX2Nsb3Nl X2x2aWQoKSB0byBhY2Nlc3Mgc3RvcmFnZSB0aGF0IGhhcwphbHJlYWR5IGJlZW4gcmVsZWFzZWQu CgoKVGhpcyBpc3N1ZSB3YXMgcHJldmlvdXNseSByZXBvcnRlZCBhdDoKCgpodHRwczovL3N5emth bGxlci5hcHBzcG90LmNvbS9idWc/ZXh0aWQ9NjE1NjRlNTAyM2I3MjI5ZWM4NWQKCgpSZXByb2R1 Y2VyOgoKCnN5eiByZXByb2R1Y2VyOmh0dHBzOi8vcGFzdGViaW4uY29tL3Jhdy9UUzJ0M1liWgoK CmNvbnNvbGUgb3V0cHV0OiBodHRwczovL3Bhc3RlYmluLmNvbS9yYXcvRjNLdzh1VWIKa2VybmVs IGNvbmZpZzogaHR0cHM6Ly9wYXN0ZWJpbi5jb20vcmF3LzhkVGd0S3U1CgoKS2VybmVsOgoKCkhF QUQgY29tbWl0OiBhMTNjMTQwY2MyODljMGI3YjM3NzBiY2U1YjNhZDQyYWIzNTA3NGFhCmdpdCB0 cmVlOiB0b3J2YWxkcy9saW51eAprZXJuZWwgdmVyc2lvbjogNy4yLjAtcmMzICMxIFBSRUVNUFQo ZnVsbCkKdGVzdGVkIHRhZzogdjcuMi1yYzMKCgpMZXQgbWUga25vdyBpZiB5b3UgbmVlZCBtb3Jl IGRldGFpbHMgb3IgdGVzdGluZy4KCgpCZXN0IHJlZ2FyZHMKCg==