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Mon, 01 Sep 2025 00:59:01 -0700 (PDT) Date: Mon, 01 Sep 2025 00:59:01 -0700 In-Reply-To: <00000000000091e466061cee5be7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68b55245.050a0220.3db4df.01bc.GAE@google.com> Subject: Re: [syzbot] [hfs?] INFO: task hung in deactivate_super (3) From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, dave@stgolabs.net, frank.li@vivo.com, glaubitz@physik.fu-berlin.de, jack@suse.cz, jfs-discussion@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mcgrof@kernel.org, shaggy@kernel.org, slava@dubeyko.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: C48F780007 X-Stat-Signature: b3z3coqb5w17hjjw71mfhmzrtu78xpsn X-Rspam-User: X-HE-Tag: 1756713542-782138 X-HE-Meta: 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 riPrmE+X 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 30HZZ1JB R4n3ehyjTF1xZHKEGrXtMo9lXujQUAXAUChfWSsHwtAjyZi6YgOBQmKjMJpkOj6JvRkb74puML7ZY7jCYYMTbwfyZVYirAWzeFV4x9jdwhurxmKfCWNTFgAKVqdawlemaXqEYxnW6qyW6lF5ka3DDA== 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: syzbot has bisected this issue to: commit 5b67d43976828dea2394eae2556b369bb7a61f64 Author: Davidlohr Bueso Date: Fri Apr 18 01:59:17 2025 +0000 fs/buffer: use sleeping version of __find_get_block() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=101ba1f0580000 start commit: c8bc81a52d5a Merge tag 'arm64-fixes' of git://git.kernel.o.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=121ba1f0580000 console output: https://syzkaller.appspot.com/x/log.txt?x=141ba1f0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=bd9738e00c1bbfb4 dashboard link: https://syzkaller.appspot.com/bug?extid=cba6270878c89ed64a2d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10857a62580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14f5ce34580000 Reported-by: syzbot+cba6270878c89ed64a2d@syzkaller.appspotmail.com Fixes: 5b67d4397682 ("fs/buffer: use sleeping version of __find_get_block()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection