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Sun, 13 Apr 2025 14:44:03 -0700 (PDT) Date: Sun, 13 Apr 2025 14:44:03 -0700 In-Reply-To: <67faff52.050a0220.379d84.001b.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67fc3023.050a0220.2970f9.0361.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING in move_to_new_folio From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-mm@kvack.org, shaggy@kernel.org, shivankg@amd.com, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: C21101C0007 X-Stat-Signature: opuno1ahcomn4xo13wcr6jii865wqs7r X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1744580644-928613 X-HE-Meta: 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 51aQog4R 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 PxAwDQg0 gDkTtsfth15ybWmNNBeMLknMvVv427MTxMl7kFH8tT+cACGkx7Www0HRiyWF/Bfffbwd8oCaW+wsBKR1gbVUv0H5qp7bx2jQ1rAc4WpZk2prW644rckXXyWwUKMyEpigdfu9aGlrl292tMONeZQ6+ztRbhx7zv8BCmAwsmX5YrI= 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 7ee3647243e5c4a9d74d4c7ec621eac75c6d37ea Author: Matthew Wilcox (Oracle) Date: Wed Apr 2 14:59:57 2025 +0000 migrate: Remove call to ->writepage bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15be8fe4580000 start commit: 01c6df60d5d4 Add linux-next specific files for 20250411 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=17be8fe4580000 console output: https://syzkaller.appspot.com/x/log.txt?x=13be8fe4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=db03cefa26ecf825 dashboard link: https://syzkaller.appspot.com/bug?extid=8bb6fd945af4e0ad9299 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10afca3f980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=116f5c04580000 Reported-by: syzbot+8bb6fd945af4e0ad9299@syzkaller.appspotmail.com Fixes: 7ee3647243e5 ("migrate: Remove call to ->writepage") For information about bisection process see: https://goo.gl/tpsmEJ#bisection