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Mon, 11 May 2026 14:04:11 +0000 (GMT) Received: from [9.52.200.120] (unknown [9.52.200.120]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 11 May 2026 14:04:11 +0000 (GMT) Message-ID: Date: Mon, 11 May 2026 16:04:11 +0200 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Steffen Maier Subject: Re: [PATCH net-next V2] net/iucv: fix UAF in afiucv_netdev_event() To: Nagamani PV , wintera@linux.ibm.com, aswin@linux.ibm.com, sidraya@linux.ibm.com, hidayath@linux.ibm.com, pasic@linux.ibm.com, mjambigi@linux.ibm.com, dk@linux.ibm.com, twinkler@linux.ibm.com, jaka@linux.ibm.com, wenjia@linux.ibm.com, gbayer@linux.ibm.com, linux390-list@tuxmaker.boeblingen.de.ibm.com Cc: stable@vger.kernel.org, syzbotz+89435e7383b82238dd91@linux.ibm.com References: <20260508170534.2208812-1-nagamani@linux.ibm.com> Content-Language: en-US In-Reply-To: <20260508170534.2208812-1-nagamani@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=BM+DalQG c=1 sm=1 tr=0 ts=6a01e1e1 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=VwQbUJbxAAAA:8 a=VxHW02VjvWZeiVljZOcA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTExMDE1MSBTYWx0ZWRfX56Mq16ZrkZkn j32Tl7XL6tyQc9XJgT3qbOXcE4q89c3i6Xz30KIUTdS+7hOoSS9ATbX6s4efU3pcYyAWS0DqU4w KAvGsuuY/kqhgkRiCVJbDteTeGVY+wGkSjD5hEX9oCYwmjK7rsVbqkJMITNsJ4dysiOMjlZUJ5T KhWLlF7YmkYuqi1FfPdK5udSLuVbEAPEr/RjAG6tYl4/KpQn9AD3FpsKFgHsDFSETKT56BkDmUl KmywpZApcR6cmWP9/VHP8s8I79Xm9UNOOgyxSRrFb/3UzwjpJN9d6BjGSv7Gy902KspTVUPG5uL HkJOiEgIZXWIJwxgaj+z+g2aQQI0qduIQQyzDShKIQI1CBrrvw0vxNPYzpfnLZKuDZos2QbF5u8 mRajBRpdj686InMI1bP+xIA4tQpA7ZJDJpr+H3LJpAU4iY2J8TTWfeq6L98nFGapn77cdACJ73q pTGYtAPmC9FO71eOkjw== X-Proofpoint-GUID: Tx3rvXP_F9c3AE4psKfePFvmUHUO2qvZ X-Proofpoint-ORIG-GUID: Tx3rvXP_F9c3AE4psKfePFvmUHUO2qvZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-11_04,2026-05-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 impostorscore=0 suspectscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605110151 On 5/8/26 19:05, Nagamani PV wrote: > Fixes: 9fbd87d41392 ("af_iucv: handle netdev events") > Cc: stable@vger.kernel.org > Reported-by: syzbotz+89435e7383b82238dd91@linux.ibm.com Not sure: Is that our IBM-internal syzbot from our Linux on Z project? Are we allowed to expose this publicly and would someone external even have use for links to IBM-internal finding reports? > Closes: https://lnxgwne1.boeblingen.de.ibm.com/linux-ci/syzbot/dashboard/bug?extid=89435e7383b82238dd91 This looks like an IBM-internal URL, we might not want to expose to the public. We have one specific tag "Reference-ID" which stays internal and is not sent upstream. Do you plang to remove your "Closes:" before sending upstream? > Suggested-by: Hidayath Khan > Signed-off-by: Nagamani PV > > --- > v2: > - Target net-next (missed in v1 subject) -- Mit freundlichen Gruessen / Kind regards Steffen Maier Linux on IBM Z and LinuxONE https://www.ibm.com/privacy/us/en/ IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Wolfgang Wendt Geschaeftsfuehrung: David Faller Sitz der Gesellschaft: Ehningen / Registergericht: Amtsgericht Stuttgart, HRB 243294