From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 5E95E26E6E6 for ; Wed, 5 Nov 2025 05:48:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762321686; cv=none; b=BQPiQcZsZcOwd2ikFTa8cGRaR4ouS71LnohShARs65xfzHrbfEJcfuN2w1GS7pVGHbfdx7NsGKbTZoa3Y2k++yk1/sjK6nwgNU37mVbyZKTcoM1qwfVlV2izPIgiaUGZsGI73sbBlPxUiLhBho/FNyH51n/qZbnblOTcV2iR2LY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762321686; c=relaxed/simple; bh=GlQIhOpVt8G+BVYMy665LNIo97/TwQy9Ja+ALJ1AUDo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=W+yNlQlJBJEHCrZPbY14ZEHesQEzzKscR1QSqAZnVw6TmZa8Rj1PtFW2G44UQOxBjRg145GDpp1CxZhrN8Qtbx24D9CxksEjQncInGv19x0BJM23M7Zgvl0JqEB2gtv31lgK2T4LEZqUKWbduCqE35luYOd6cXB5H67oZ8eET20= 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=209.85.166.71 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-f71.google.com with SMTP id ca18e2360f4ac-940d88b8c15so606292439f.2 for ; Tue, 04 Nov 2025 21:48:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762321683; x=1762926483; 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=g4XDLXqrEs29g4qhc4+ZUYTByJ5LUyYE6CBWzXLnGEU=; b=vGj9/vomHK0ROsXys1i6Vpru/09gTohKbqo/9nZiF5cj/bM5rJnMCedqQB5Qr292oG ABbd0LLO9GzeoGmdVliC+M2HwfcytGrjs7M3vIaQ+YPG7IFuLCZZ+nIubIbbp08strns FbXB/04yjZnrhdsj1d4GjMVLP7TeBtwhAc4NUjFmJbValev1zzuqln3jAs9VGIkeqQV2 DBXycb3NPfp+glF77HsiBmyuyBGqqIN1gHrwIpuIVH0203yPTrzcdvNFk4gXG76dJTvZ QiakUk7hJl3G0asFt8jsSMmm3/9PeterArDReKZrEwj6rc0MPY6zUKocIByAVhCdMS/i Vwcw== X-Forwarded-Encrypted: i=1; AJvYcCWiB0WAl5nGdhXt56OIi7RlfISNfPGKhsb0waO5anvDEG2UutokrjKVQGSCjxOXngRw7Ur1@lists.linux.dev X-Gm-Message-State: AOJu0Yx1NEkYI/nXZ2kYkbTpUWrjw+6JGKyWJ5hIzpsOMW54VQjFNDG3 aGbdB1C3ksDimbduuiE9CdE7xPnIZjnOBPI8kdVGVk8ViaaHiM8ldrU/+tq0qziFkgpM1sB45+R p6xA/6adIxcvDJ+XDcQRRaOd3DSbZUUOCCWpAYUqzq3uibvStRHhLhsjYHKQ= X-Google-Smtp-Source: AGHT+IFp+75P9fzMNP6tFwZqfyhcKVqnVaql1CMi2hGDeHUR9fDxpaS8IRIyJ/54rHYeSSnjNRL0DzJ+OpUzQhVJDknW+FXvnEk4 Precedence: bulk X-Mailing-List: v9fs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:29c9:b0:945:9f2d:592f with SMTP id ca18e2360f4ac-94869ebc957mr295259839f.17.1762321683439; Tue, 04 Nov 2025 21:48:03 -0800 (PST) Date: Tue, 04 Nov 2025 21:48:03 -0800 In-Reply-To: <68132c08.050a0220.14dd7d.0007.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <690ae513.050a0220.baf87.0009.GAE@google.com> Subject: Re: [syzbot] [nfs?] [netfs?] INFO: task hung in anon_pipe_write From: syzbot To: asmadeus@codewreck.org, brauner@kernel.org, ceph-devel@vger.kernel.org, dhowells@redhat.com, ericvh@kernel.org, idryomov@gmail.com, jack@suse.cz, jlayton@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux_oss@crudebyte.com, lucho@ionkov.net, m@maowtm.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, netfs@lists.linux.dev, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev, viro@zeniv.linux.org.uk, xiubli@redhat.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 290434474c332a2ba9c8499fe699c7f2e1153280 Author: Tingmao Wang Date: Sun Apr 6 16:18:42 2025 +0000 fs/9p: Refresh metadata in d_revalidate for uncached mode too bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10be532f980000 start commit: 5bc1018675ec Merge tag 'pci-v6.15-fixes-3' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=9f5bd2a76d9d0b4e dashboard link: https://syzkaller.appspot.com/bug?extid=ef2c1c404cbcbcc66453 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15631270580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12a0b0d4580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fs/9p: Refresh metadata in d_revalidate for uncached mode too For information about bisection process see: https://goo.gl/tpsmEJ#bisection