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Sun, 10 Aug 2025 23:34:02 -0700 (PDT) Date: Sun, 10 Aug 2025 23:34:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68998eda.050a0220.51d73.0099.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING in try_to_migrate_one (3) From: syzbot To: akpm@linux-foundation.org, david@redhat.com, harry.yoo@oracle.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 Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 121C420003 X-Rspam-User: X-Rspamd-Server: rspam09 X-Stat-Signature: hwpskrbaopa9as3faozfyqyu53p4juwf X-HE-Tag: 1754894042-20066 X-HE-Meta: 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 uwcx9GZC 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 I32VzHlX 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+63859a31071a369082b1@syzkaller.appspotmail.com Tested-by: syzbot+63859a31071a369082b1@syzkaller.appspotmail.com Tested on: commit: f1f00681 mm/userfaultfd: fix kmap_local LIFO ordering .. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-hotfixes-unstable console output: https://syzkaller.appspot.com/x/log.txt?x=11990af0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=75e522434dc68cb9 dashboard link: https://syzkaller.appspot.com/bug?extid=63859a31071a369082b1 compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.