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Mon, 06 May 2024 09:14:03 -0700 (PDT) Date: Mon, 06 May 2024 09:14:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a85db50617cb5b3e@google.com> Subject: Re: [syzbot] [mm?] [io-uring?] WARNING in hpage_collapse_scan_pmd (2) From: syzbot To: akpm@linux-foundation.org, axboe@kernel.dk, david@redhat.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, peterx@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: 1j4ecigzucemhfx4nmczdn4nftrrf1ys X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 9A2D340012 X-HE-Tag: 1715012044-212818 X-HE-Meta: U2FsdGVkX1+Pk/VQ7raa7omgDbLP7m2GkeDbb+uiVZ8i3vtxVwFKo5Hrxx5aTavWEZaqHd61kbU+lkbGzI7D6fglbu4fqSK/Fz1LQnalEurlis3H97rOA0R8RMPUkS4Xgq9j5nfKjulTeBoOQXVF4Be41g+W/KmG/3Vh+MwhGLNTsLun9jool5KBGShjZJXbcFOx7nxW3CWndFkir+4rrhBv799kMqgOh4kicDGgh4Bd9kIxceoUbETwBi4zx7q8mtaH6s5+WQRJmSl5USXViuofN2UJMjVwAW1q2SbuKJ+hvlLlXJr+gaZY8dSlf3JDAJ48VTkF4gEl+dSyZHF1pJ9sL3KvlvZ2rwNLUMWGxrQ0mjrAHa/j430vUNI4xw0PWov5XPj1XAw9fPntcvp8FloHHxYuExdmS/imBjndDSC4OEMVOgz5FWMXfdRClx1O2Afj4B28ETbstEYcMEvnyouF4iDU7Lp+TLZFuSYo4L47xq/C8Xy1mze6ZkG2QcDqUJ+ofVwqN2jaoh0WVZ4Jg6UTVSMe8blIhci10pc3vG/8UfDWDJ0ztYFY7yaqGClzjfRazmZ4lliA+qu5qHPPdFfd0YThXxIvA9ZNVsot/akhTzo5m05zs9pP3U5BeZZhVRJ/S+NIWwdKZibbWfTpnhwdfDY07dae2w+wwKDlc0ffRNxdhtk5IF1JV06CNaI8C3SQ5Ni+HXS9x9M5H2BORZCR2grSn27w9D4cmZP7hSZy6iOIRvmQ3CG4O4DLefMIUgiunlv6mu6QOryTrefRFswOJDIldeuxGlxEztHKGR0NecL9p/IyVmmTkwrxSBCqejG5tOQ3pFd5y1dvb7IcoYqIh31cul+r0XT5yvHFeINB4N/tG/aVpx2EEiRSQVash8atqlgo004mFqyO2w1T5QqNiHfUg0a2m62dMEwEHSV96ADcfqGW3xP+6Y+0C/mVzDbFjIwswTchBCdw6o5 PXG/zByI 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 G+KI5yjl OL0tOVe6sT//M8pYHoL4DR8HCQASdJ5K1fl8Q0aypklkn4Eao5ERyju9NvfoWeVE 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-and-tested-by: syzbot+5ea2845f44caa77f5543@syzkaller.appspotmail.com Tested on: commit: 5f8be0ef mailmap: add entry for John Garry 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=1511f1c0980000 kernel config: https://syzkaller.appspot.com/x/.config?x=85dbe39cf8e4f599 dashboard link: https://syzkaller.appspot.com/bug?extid=5ea2845f44caa77f5543 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.