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Thu, 20 Aug 2026 06:30:02 -0700 (PDT) Date: Thu, 20 Aug 2026 06:30:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a87015a.4d75e56a.c9a88.003f.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING in ep_write_iter From: syzbot To: akpm@linux-foundation.org, apopple@nvidia.com, byungchul@sk.com, david@kernel.org, gourry@gourry.net, gregkh@linuxfoundation.org, joshua.hahnjy@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-usb@vger.kernel.org, matthew.brost@intel.com, rakie.kim@sk.com, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com, ying.huang@linux.alibaba.com, ziy@nvidia.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Stat-Signature: pjbhz8bhc4sxbt83dz4rehow91gkc5gk X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 53B198000E X-HE-Tag: 1787232603-429213 X-HE-Meta: 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 AWhxATBp 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 1fo0dBld P1uHVWhAdE1CeZp5IFQSo9u1Czq+rBHIkb4J5/pT8zGc+jGYXIDX03KUAPdcoUd1Ovhwu72v6bthKDDG5Tj+gpOmoAAhwxRdCfTP80U1MT8A1y5kzBmx4CCOiaQ/Fzt1RgDBcoSQK8IOEiua4TgQfSNgaB5n7I2OZe9BNGdpFl/hGP6srxLTPRkWhrOIuAXLcY8JiLjuzS1UBGKD4zq8AYf1wZEHjMo8UKfv6wpFmpE= 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+805630f1453e490427fa@syzkaller.appspotmail.com Tested-by: syzbot+805630f1453e490427fa@syzkaller.appspotmail.com Tested on: commit: a4ff2be3 Merge tag 'v7.3-p1' of git://git.kernel.org/p.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=176bd679580000 kernel config: https://syzkaller.appspot.com/x/.config?x=29686c02180e4e86 dashboard link: https://syzkaller.appspot.com/bug?extid=805630f1453e490427fa compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 patch: https://syzkaller.appspot.com/x/patch.diff?x=1455f815580000 Note: testing is done by a robot and is best-effort only.