From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A33AE33D1 for ; Sun, 18 Aug 2024 04:36:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723955764; cv=none; b=mCsPkRYiOggfGzIs+Jd+kJoCWcdfgIUwNZjhJgQsS2KuLhijjDskkkaocmSQpjE1mPSZZGxsXZ2QOAozhDPQf10dGaxPISe5lR6sw9lxqjqFQhPUXcfEq1brudh2djo2lQtNtMYN4y1PTuAkgu78gl/Xi8M4Mhsdg2TBDdcM6PY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723955764; c=relaxed/simple; bh=40gGmdyokFBvxCelSJ88QlILapEFGa++UUEwevJF6q0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=idgb7POgBTIk6U5zUdnriSRABYhEj6eDW9eyZseSZ7hbBLbmcgk1JW7u6yTwoiIwAp35+2D7rmD1d1/g855Pia06IYnyW+44BnHV8OzdHp4q0pRDUALoHOgseUYzINQex+3hlf9bP+rwQvB3GK0Jb0GwQKMluG4iZ7mYVorcfBo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-39d3325ba79so12032505ab.2 for ; Sat, 17 Aug 2024 21:36:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723955762; x=1724560562; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=SBGDucmLSB6SFFjjtCvCnw5DXFy/m92XieUw3u0Lkac=; b=H9I1amnWyjw8RaQ6SbIoTcFZ2ozzjAA1DGTorO+YvlBmyrEtHetqSG8IRkDfWOJpdy z2M3k4OUqnMrU1rqluWyR4ScAfnnuQqb2m9RqCsRtYksapdsyBXIt8Izod3TnPwQY/yQ M/vYb4pDdFH6iZHU+2DlnXp3jC2VJgXQYbJrviMvQvTbxjpmpS1sn6aiJw9ZvUmMHs91 vZ57IB+K1RLNGcPWMaV1goy2t8KUIKMemSVh4auVaEujF4RmYi3dE7cAC7T6mqi2hYxs IuiayrzT/maD2ePvQ1NdPSdqrTpA/tN8qyll/K37sPMm6XX5VM9eO0edRgawxMF75ES8 /Sqw== X-Forwarded-Encrypted: i=1; AJvYcCVrP1fIwP9EtWPDP1hStte4L4uJv43GULEUHSuw1HNHrRJSq2mTfv8DAj+SPdt2iM6Xvz51ZbO6OkHWfnPU2wyQ/POA2K/bMnfV X-Gm-Message-State: AOJu0YygvObHZfy9xvLdW4kEA7fQGVw/vq7LHia/2UwIoF1r6gM6IryI 9fWRJKFrL2lTE85X2UzJaCByNqo9ZJpVFOUOcCsU6C7+LMKCNrD/gCqntlNqMXfR6us1FpsMJcZ girELuuAStmoj0/zjeVx+/orKWCLZmJdRRI1H89ZyMqlFroVXwbErtuk= X-Google-Smtp-Source: AGHT+IEWq/Yu9hdLGQwW6k3JHsiI0gqvNTR6cCMXhjpNdSYUh+p03hC5kWy36g2JAFm+WlRduDD8fopasmd5HOtYs73xuvK/+5rO Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d0f:b0:397:ca8e:d377 with SMTP id e9e14a558f8ab-39d26c42314mr5570365ab.0.1723955761765; Sat, 17 Aug 2024 21:36:01 -0700 (PDT) Date: Sat, 17 Aug 2024 21:36:01 -0700 In-Reply-To: <0000000000008905bf061fc61371@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c9eee7061fedbac5@google.com> Subject: Re: [syzbot] [xfs?] INFO: task hung in xfs_buf_item_unpin (2) From: syzbot To: axboe@kernel.dk, chandan.babu@oracle.com, djwong@kernel.org, hch@lst.de, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 3eb96946f0be6bf447cbdf219aba22bc42672f92 Author: Christoph Hellwig Date: Wed May 24 06:05:38 2023 +0000 block: make bio_check_eod work for zero sized devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=178bfdcb980000 start commit: 85652baa895b Merge tag 'block-6.11-20240824' of git://git... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=144bfdcb980000 console output: https://syzkaller.appspot.com/x/log.txt?x=104bfdcb980000 kernel config: https://syzkaller.appspot.com/x/.config?x=92c0312151c4e32e dashboard link: https://syzkaller.appspot.com/bug?extid=837bcd54843dd6262f2f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12350ad5980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147927c5980000 Reported-by: syzbot+837bcd54843dd6262f2f@syzkaller.appspotmail.com Fixes: 3eb96946f0be ("block: make bio_check_eod work for zero sized devices") For information about bisection process see: https://goo.gl/tpsmEJ#bisection