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Fri, 22 May 2026 10:08:39 +0000 (GMT) Received: from [9.111.153.207] (unknown [9.111.153.207]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 22 May 2026 10:08:39 +0000 (GMT) Message-ID: <30c236cf-3f10-4181-abfa-b6a474b573bf@linux.ibm.com> Date: Fri, 22 May 2026 12:08:38 +0200 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v16 12/20] unwind_user/sframe: Add .sframe validation option To: sashiko-reviews@lists.linux.dev Cc: bpf@vger.kernel.org References: <20260521142546.3908498-13-jremus@linux.ibm.com> <20260521150217.5B9991F00A3B@smtp.kernel.org> Content-Language: en-US From: Jens Remus Organization: IBM Deutschland Research & Development GmbH In-Reply-To: <20260521150217.5B9991F00A3B@smtp.kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: EDP2QGGj_WKzOhi5QULQRnGGkt8dbgtC X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIyMDEwMCBTYWx0ZWRfXzJrsDmPcglSk q6FmC8n3HZkwCFWD0EPo2zhS6jvP19bdFO2Z77Vq6Vd+5uB4eZZWVy9emYIpJDsl0aKKkewZpJP pVidcIP8L8LQe+4dBwKneShIQ9igmVCRGMr/elzZ6lWpkufRqPWbYTa0vI+s0gu/toSGtYzWLUn 3YCBckXTPkb6jxmSZWHsofZu72ViftHvifOWU0M2yLqBq6/7ZWNzImzt/52xUEirvRE2RMBk6Kt BaFMZQeV+pm2ABSxCycZHdv8ptC0QwtPtHcZ9nbq1/WGHDv7vgxPFLiDpCMKwYTs/WDojO4qg5h ZCgiP8RA1uYIKLonGVL4S0T9xHjimx4OuB0A966PliHktTKxB4Mx6xtQhINDHWSop4rp4atX1FA D3q2GOF4h7A8bRJNDJPJhqgCHrO5gZN+WD/5aUtnAcnPn1AGyoH+JtlWW3tWNpLiCJ62ULB9s2E xsxg0jRwDCnkAvkarVQ== X-Proofpoint-GUID: EDP2QGGj_WKzOhi5QULQRnGGkt8dbgtC X-Authority-Analysis: v=2.4 cv=apyCzyZV c=1 sm=1 tr=0 ts=6a102b2a cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=VwQbUJbxAAAA:8 a=Zg_fgM-7fzLk7_7bOdYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 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=2026-05-22_02,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 suspectscore=0 adultscore=0 spamscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605220100 On 5/21/2026 5:02 PM, sashiko-bot@kernel.org wrote: > Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider: > - [High] The `.sframe` validation loop in `sframe_validate_section` lacks `cond_resched()`, allowing maliciously large or crafted `.sframe` sections to cause CPU soft lockups. cond_resched() is not required according to v14 review feedback from Steven. Regards, Jens -- Jens Remus Linux on Z Development (D3303) jremus@de.ibm.com / jremus@linux.ibm.com IBM Deutschland Research & Development GmbH; Vorsitzender des Aufsichtsrats: Wolfgang Wendt; Geschäftsführung: David Faller; Sitz der Gesellschaft: Ehningen; Registergericht: Amtsgericht Stuttgart, HRB 243294 IBM Data Privacy Statement: https://www.ibm.com/privacy/