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Tue, 2 Jan 2024 15:06:40 +0000 (GMT) Date: Tue, 2 Jan 2024 16:06:39 +0100 From: Heiko Carstens To: Ilya Leoshkevich Cc: Alexander Gordeev , Alexander Potapenko , Andrew Morton , Christoph Lameter , David Rientjes , Joonsoo Kim , Marco Elver , Masami Hiramatsu , Pekka Enberg , Steven Rostedt , Vasily Gorbik , Vlastimil Babka , Christian Borntraeger , Dmitry Vyukov , Hyeonggon Yoo <42.hyeyoo@gmail.com>, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Mark Rutland , Roman Gushchin , Sven Schnelle Subject: Re: [PATCH v3 30/34] s390/traps: Unpoison the kernel_stack_overflow()'s pt_regs Message-ID: <20240102150639.6306-H-hca@linux.ibm.com> References: <20231213233605.661251-1-iii@linux.ibm.com> <20231213233605.661251-31-iii@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231213233605.661251-31-iii@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: leYrbA6vtAty3KAE9ah14tjkk5Bn0Uhc X-Proofpoint-ORIG-GUID: utJWxtGOYHGAv9Kk1hnF_c8f7r1ax0vb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-02_04,2024-01-02_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 mlxlogscore=933 bulkscore=0 phishscore=0 adultscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401020115 On Thu, Dec 14, 2023 at 12:24:50AM +0100, Ilya Leoshkevich wrote: > This is normally done by the generic entry code, but the > kernel_stack_overflow() flow bypasses it. > > Reviewed-by: Alexander Potapenko > Signed-off-by: Ilya Leoshkevich > --- > arch/s390/kernel/traps.c | 6 ++++++ > 1 file changed, 6 insertions(+) Acked-by: Heiko Carstens