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Mon, 18 Aug 2025 05:36:03 -0700 (PDT) Date: Mon, 18 Aug 2025 05:36:03 -0700 In-Reply-To: <20250818114404.GA18626@redhat.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68a31e33.050a0220.e29e5.00a6.GAE@google.com> Subject: Re: [syzbot] [fs?] [mm?] INFO: task hung in v9fs_file_fsync From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, dvyukov@google.com, elver@google.com, glider@google.com, jack@suse.cz, kasan-dev@googlegroups.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, oleg@redhat.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 3671F18000C X-Stat-Signature: 46gjyrk9fdt5qwsbsk11o6dzdfwh76bw X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1755520568-586353 X-HE-Meta: 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 mH86mXdv 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 a1qF8/i0 /rw2fNMvp4R7Fu7VNBCOMVA8yZ9i1RgAb99/9lTAIEInJ6VV4dxuiFnDJ1L4xa8djXWY7UyJ5uivxCQWuyqpZ0IlaC0HHlLldm/bOwWYd3JZhZ08zww9MxiP9OaEUcPU 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+d1b5dace43896bc386c3@syzkaller.appspotmail.com Tested-by: syzbot+d1b5dace43896bc386c3@syzkaller.appspotmail.com Tested on: commit: 038d61fd Linux 6.16 git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=1317eba2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=515ec0b49771bcd1 dashboard link: https://syzkaller.appspot.com/bug?extid=d1b5dace43896bc386c3 compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 patch: https://syzkaller.appspot.com/x/patch.diff?x=15806442580000 Note: testing is done by a robot and is best-effort only.