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Mon, 18 Sep 2023 11:36:27 -0700 (PDT) Date: Mon, 18 Sep 2023 11:36:27 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008b455e0605a66b2d@google.com> Subject: Re: [syzbot] [fs?] [mm?] WARNING in page_copy_sane From: syzbot To: akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, llvm@lists.linux.dev, mike.kravetz@oracle.com, muchun.song@linux.dev, nathan@kernel.org, ndesaulniers@google.com, sidhartha.kumar@oracle.com, syzkaller-bugs@googlegroups.com, trix@redhat.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 193081C0030 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: mqh1f65z5c6gdad13p8r3kr1w8568smz X-HE-Tag: 1695062187-445710 X-HE-Meta: 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 vseYYiur 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 ScX4Knzn 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: Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+c225dea486da4d5592bd@syzkaller.appspotmail.com Tested on: commit: 7fc7222d Add linux-next specific files for 20230918 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=17fddb62680000 kernel config: https://syzkaller.appspot.com/x/.config?x=79253779bcbe3130 dashboard link: https://syzkaller.appspot.com/bug?extid=c225dea486da4d5592bd compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=137cae54680000 Note: testing is done by a robot and is best-effort only.