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Sun, 10 Aug 2025 07:50:03 -0700 (PDT) Date: Sun, 10 Aug 2025 07:50:03 -0700 In-Reply-To: <6897b156.050a0220.51d73.0082.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6898b19b.050a0220.7f033.00cf.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING in try_to_migrate_one (3) From: syzbot To: Liam.Howlett@oracle.com, akpm@linux-foundation.org, david@redhat.com, dev.jain@arm.com, harry.yoo@oracle.com, hdanton@sina.com, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, riel@surriel.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, ziy@nvidia.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: puetjat5ihthnwrq8yu7fb87nq8yiqfe X-Rspam-User: X-Rspamd-Queue-Id: DE709100003 X-Rspamd-Server: rspam02 X-HE-Tag: 1754837403-57970 X-HE-Meta: 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 98LakwG3 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 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 has bisected this issue to: commit cac1db8c3aad97d6ffb56ced8868d6cbbbd2bfbe Author: Dev Jain Date: Fri Jul 18 09:02:43 2025 +0000 mm: optimize mprotect() by PTE batching bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12ac8842580000 start commit: 0227b49b5027 Merge tag 'gpio-updates-for-v6.17-rc1-part2' .. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11ac8842580000 console output: https://syzkaller.appspot.com/x/log.txt?x=16ac8842580000 kernel config: https://syzkaller.appspot.com/x/.config?x=2ae1da3a7f4a6ba4 dashboard link: https://syzkaller.appspot.com/bug?extid=63859a31071a369082b1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=117c72f0580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ab7ea2580000 Reported-by: syzbot+63859a31071a369082b1@syzkaller.appspotmail.com Fixes: cac1db8c3aad ("mm: optimize mprotect() by PTE batching") For information about bisection process see: https://goo.gl/tpsmEJ#bisection