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Wed, 06 Aug 2025 01:50:02 -0700 (PDT) Date: Wed, 06 Aug 2025 01:50:02 -0700 In-Reply-To: <18e151e1-6963-49eb-9e45-60c7cb8af15a@redhat.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6893173a.a70a0220.7865.0002.GAE@google.com> Subject: Re: [syzbot] [mm?] general protection fault in __pte_offset_map_lock (2) From: syzbot To: 21cnbao@gmail.com, akpm@linux-foundation.org, david@redhat.com, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, mhocko@suse.com, rppt@kernel.org, surenb@google.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: tqueir7kyao4mk7k61fnwqip7t4ib5fc X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 53D6840003 X-Rspam-User: X-HE-Tag: 1754470203-429594 X-HE-Meta: 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 FujoVDpl 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 /gypQ7mF 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: Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+45ad2baf16fce6bc81f3@syzkaller.appspotmail.com Tested-by: syzbot+45ad2baf16fce6bc81f3@syzkaller.appspotmail.com Tested on: commit: 366a4532 mm: fix the race between collapse and PT_RECL.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git console output: https://syzkaller.appspot.com/x/log.txt?x=11622434580000 kernel config: https://syzkaller.appspot.com/x/.config?x=eb90b5976661bfd8 dashboard link: https://syzkaller.appspot.com/bug?extid=45ad2baf16fce6bc81f3 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.