From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 6C8BD14F11E for ; Fri, 28 Mar 2025 04:43:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743136986; cv=none; b=KWVDL65oSsbsMDiTbSAwiSpwHzzyFPmmRjrPZ1NtmfaP6BZRGf2hGi8ydyvuT8RylDjjM0faPdmEkVNr8+nnOYf+9Id0wtdxIzWX2CguTaSuNLNr+rXH/CkbwmT3LlLBOFcux81/CgTisz/J/RZ98aDTLRM4CgvyTf8uLb23Cy8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743136986; c=relaxed/simple; bh=js7lVUj/SeoCBiYflPxyZS1OX5HQtjm0DSuCarpQVOk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=FOpGK+27XCgVtSFvNm3ORw9TDKIr91hgs07tuYcLxhZSXCdl9kpfW57tnylrBnMAaoJoRu90RgbAICmgAsj1IHwVl9v2fLboHWsnVoPnpfgyU1GVfXX+yTMKQjuzEOc6S2sev0aB72T0PichaZbcHOBsLJGUN5Ly7ncndo6FaBw= 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=209.85.166.70 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-io1-f70.google.com with SMTP id ca18e2360f4ac-85da19887ebso391698639f.0 for ; Thu, 27 Mar 2025 21:43:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1743136984; x=1743741784; 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=5uDB2tY1hUjqwKYCX0GkGa9GQ8Dhnk/SPYhijdcB1Zw=; b=DQ0SbeCaqIOUtTj3yBw13O2DW/hk0BUbmND9QxA6DDzZwwwTUrToXvkZQWaZJFWiI+ WRjw9h9rC9Y5FIg+E5jQF/tTvbTwYOYzWRrSi72O7+LuEbYgQhG9oshGhAhQLqLSxCK7 RmDa9neLG1XVbcQ3Uo2Zs+zaTP3yBszYt99CRfQPfC/6EIDhrpGyhaGOGxgCm1neEXc0 Qma/Efzj/oxNuEcoDf/58wiH9LP3IrpLPWnScyIkjsuCOTmimfM3QIvmgKIsJ80k705H wCIVAjIh7aMxWoSGTvcfsnp1LUhWmtk4V0Attu05iw8fqwfowgSitmghHccHbhiUNTBo 9SDA== X-Forwarded-Encrypted: i=1; AJvYcCUfMG/Kbzlg7UKtRt4e1r5R7vg1rcfzj0px8IsSDXPip9t3mwabk+MYm1TsWR18Cl2YrhVA@lists.linux.dev X-Gm-Message-State: AOJu0Ywjiul4CiUXpRVg/nMvjJhJsOov8BUmgCxTLHLPSE/dyf6705Ob bx9W6bTCvC4VQuPO+utowredoO/0tpuv9K6pVNRjGih7kvpoybQ8lhtr/54otJ5ryF3dKIcM4No B02SRlTlLREQG1EeM7yoqkECdQn/ZG22+4HoSd8jDBn4A26tznEUz6o8= X-Google-Smtp-Source: AGHT+IGWgZFryTvbQEfzj3JsavMzFoFExpg1aIjajV07MaP4R+0EXVOn6LPyfYjxRCyNxZA4kryrJUyJ/SpS825l7GjAM0x5LOEH Precedence: bulk X-Mailing-List: v9fs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:174e:b0:3d3:f040:5878 with SMTP id e9e14a558f8ab-3d5cce2c7c9mr76000105ab.21.1743136984504; Thu, 27 Mar 2025 21:43:04 -0700 (PDT) Date: Thu, 27 Mar 2025 21:43:04 -0700 In-Reply-To: <49c26b3c-cab9-4ee6-919d-c734f4de6028@amd.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67e628d8.050a0220.2f068f.0057.GAE@google.com> Subject: Re: [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_write_iter From: syzbot To: asmadeus@codewreck.org, brauner@kernel.org, dhowells@redhat.com, ericvh@kernel.org, jack@suse.cz, jlayton@kernel.org, kprateek.nayak@amd.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux_oss@crudebyte.com, lucho@ionkov.net, mjguzik@gmail.com, netfs@lists.linux.dev, oleg@redhat.com, swapnil.sapkal@amd.com, syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+62262fdc0e01d99573fc@syzkaller.appspotmail.com Tested-by: syzbot+62262fdc0e01d99573fc@syzkaller.appspotmail.com Tested on: commit: aaec5a95 pipe_read: don't wake up the writer if the pi.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=1285fa4c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8d5a2956e94d7972 dashboard link: https://syzkaller.appspot.com/bug?extid=62262fdc0e01d99573fc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=121eede4580000 Note: testing is done by a robot and is best-effort only.