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Fri, 21 Feb 2025 05:20:02 -0800 (PST) Date: Fri, 21 Feb 2025 05:20:02 -0800 In-Reply-To: <6792ffb7.050a0220.3ab881.0005.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67b87d82.050a0220.14d86d.04d4.GAE@google.com> Subject: Re: [syzbot] [mm?] [v9fs?] BUG: stack guard page was hit in sys_openat From: syzbot To: akpm@linux-foundation.org, asmadeus@codewreck.org, bharathsm@microsoft.com, brauner@kernel.org, ceph-devel@vger.kernel.org, dhowells@redhat.com, ericvh@kernel.org, idryomov@gmail.com, jlayton@kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux_oss@crudebyte.com, lucho@ionkov.net, marc.dionne@auristor.com, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, netfs@lists.linux.dev, pc@manguebit.com, ronniesahlberg@gmail.com, rostedt@goodmis.org, samba-technical@lists.samba.org, sfrench@samba.org, sprasad@microsoft.com, syzkaller-bugs@googlegroups.com, tom@talpey.com, v9fs@lists.linux.dev, xiubli@redhat.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 457192000A X-Stat-Signature: yhy4eazqrb54n5eyaa1y64cd7joftenh X-HE-Tag: 1740144003-324549 X-HE-Meta: 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 3OgwhFRE 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 +VPjmYPW U5sXokV0RZ0F5M+TRXmpui53XlbHIN9s6zZN1Bx7Qxqr7V6vm9NWZoB3pCRXa99Jc1lbzgzptSI9+uXLKBY9IPb++xTat67QBdCiGifjJwEJPdy4czzgKA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: syzbot suspects this issue was fixed by commit: commit e2d46f2ec332533816417b60933954173f602121 Author: David Howells Date: Mon Dec 16 20:41:17 2024 +0000 netfs: Change the read result collector to only use one work item bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15cb3ae4580000 start commit: 9528d418de4d Merge tag 'x86_urgent_for_v6.13' of git://git.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d7f05e16f48c5834 dashboard link: https://syzkaller.appspot.com/bug?extid=1f18c9b1bb51239d82f2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17808824580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=129252b0580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: netfs: Change the read result collector to only use one work item For information about bisection process see: https://goo.gl/tpsmEJ#bisection