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Tue, 03 Oct 2023 22:16:33 -0700 (PDT) Date: Tue, 03 Oct 2023 22:16:33 -0700 In-Reply-To: <0000000000005f05820606a0838a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005d185b0606dd1cbf@google.com> Subject: Re: [syzbot] [mm?] WARNING in copy_hugetlb_page_range From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, hdanton@sina.com, 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, riel@surriel.com, syzkaller-bugs@googlegroups.com, trix@redhat.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Stat-Signature: fd469pf77yfauheihin68kjaxz48zmdz X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 61F8D80006 X-HE-Tag: 1696396594-657253 X-HE-Meta: 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 FMFREirC 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 4hNvE464 B2OIQFDiCtM9v5JhMLhOZNHDHwrfUb5Y+uuAptZHQFhCBuM/iVUt6spRGqTn9Z5soHqq6K3ukdpIwpkmrWYkvsivgMk7Qn4A+f3oKyZpc++cR/OG+EXv137l8ZfAVCABeo/564psM1HD3xj/4dTL6dGqXpRstvnM 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: syzbot has bisected this issue to: commit 446503572dc452fc544d6898113feb0f3801477b Author: Rik van Riel Date: Sun Oct 1 00:55:50 2023 +0000 hugetlbfs: replace hugetlb_vma_lock with invalidate_lock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=146c879e680000 start commit: c9f2baaa18b5 Add linux-next specific files for 20231003 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=166c879e680000 console output: https://syzkaller.appspot.com/x/log.txt?x=126c879e680000 kernel config: https://syzkaller.appspot.com/x/.config?x=3fe9c462fee1649f dashboard link: https://syzkaller.appspot.com/bug?extid=ec78016e3d67860eec28 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11e4b011680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11772062680000 Reported-by: syzbot+ec78016e3d67860eec28@syzkaller.appspotmail.com Fixes: 446503572dc4 ("hugetlbfs: replace hugetlb_vma_lock with invalidate_lock") For information about bisection process see: https://goo.gl/tpsmEJ#bisection