From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 D78A319E99A for ; Fri, 29 Nov 2024 17:15:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732900507; cv=none; b=kHGSKlw4XPdWeXEITbVANOxw4UCEoHw7Kt4uv4l9UbZzdEofoNpE0t4Bb3U9TcSGRsc9xoEfIACtJ4KpcHlcimJ4XjjHAG2pVA1BFBE0f4yQRpZ+E2sfnuIxnPYCTj7tTI2iBZzAZJRYdIpYbLsy94MAx5jYV6on4uANmmMN72c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732900507; c=relaxed/simple; bh=GnhFjpEQk2QTU3xMRMxYSIU7Dc+xnhMFHvUYOX0FzPs=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=oKzUsqGZ+ynBSJJvEIeewL3nfqrnlJEgA6aatNwH23QMPTt5oNlfrqDBPbxHFedx2hxqlJlkOTBpj7/uzqlvg7h0ebTvv4OTy7fFefsuAM70fat4cE6cQJkcgruv6ugD/FSsdwA3urQNf1rmTmzYRHmgyMuTQimOzEaKyLhMPX8= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3a794990ef3so25707795ab.1 for ; Fri, 29 Nov 2024 09:15:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732900505; x=1733505305; 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=cabndGigWtS979m0rIc0e06+sfnwrdqk4oGx1hUPQVw=; b=emKZFPasn/HlixKFrD/5xEK89GWuJ4UWumbY3mZtUnN1LgShx840pu3kpJowpI5iAb ISwqSRMGU8wRawmvVfux/+QcAlal7ndPOMHqLguIUFsHH/VMArZoHw2eADjriZmX5XZd t42+sPlM1p0FBJWHUEtUHSXYLpkNCJdEldROpsSt10EOklrfKjNytyvuQ0/asJ+HY7F7 +LZpelJ8qctmGfXmJZ6Gk1yos2l8z4R5VgCaYa6CoadVI2iGlfnr8DlBnyeVII0t41RM olLASu00lFAuSy5SUvSkgP9kr0gT8d4Jgh70O+K7TjK/Fr8+tg0RN46pryLiJUXA/980 fjQw== X-Forwarded-Encrypted: i=1; AJvYcCVhKxrRHmMVAoWfX+mzLAGHZ6wRVdJR6BCnEcnTLk1Hd6M6ogYi2NjQXDhdCDT1Rad8/EfuJQADv2vIS74lRII/80A=@vger.kernel.org X-Gm-Message-State: AOJu0Yz05HmHbjsJBEfvv2q/7wOuT2yIC9nkMmid892rTQXbJmE2P4p/ DNFcuKHl7apvuN/VLGR865E4p781K7Sfj/UEG17ghKScPBHJy8jFgWxdAtpXYmdP/rvrmsuXzFt Wm5vLyiwc+/hhHXLH3WyPWidbz+3G92HsknFtKCJCSYsX5q8UkWidyBk= X-Google-Smtp-Source: AGHT+IHe8uD7Va/t9RghiydunC7nRHm/GXM4J1aMUOaYHKIypML+ORhOP4P4xsuLh0/azcIVXHk232/8no/NPRjgk/tTxHq54l6N Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a46:b0:3a7:c81e:825f with SMTP id e9e14a558f8ab-3a7cbd23d37mr83760205ab.9.1732900504111; Fri, 29 Nov 2024 09:15:04 -0800 (PST) Date: Fri, 29 Nov 2024 09:15:04 -0800 In-Reply-To: <4020304.1732897192@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6749f698.050a0220.253251.00bd.GAE@google.com> Subject: Re: [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_read_iter From: syzbot To: asmadeus@codewreck.org, bharathsm@microsoft.com, brauner@kernel.org, dhowells@redhat.com, ericvh@kernel.org, jlayton@kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux_oss@crudebyte.com, lucho@ionkov.net, marc.dionne@auristor.com, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, netfs@lists.linux.dev, pc@manguebit.com, ronniesahlberg@gmail.com, rostedt@goodmis.org, samba-technical@lists.samba.org, sfrench@samba.org, sprasad@microsoft.com, syzkaller-bugs@googlegroups.com, tom@talpey.com, v9fs@lists.linux.dev 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+8965fea6a159ab9aa32d@syzkaller.appspotmail.com Tested-by: syzbot+8965fea6a159ab9aa32d@syzkaller.appspotmail.com Tested on: commit: 2aece382 netfs: Report on NULL folioq in netfs_writeba.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-writeback console output: https://syzkaller.appspot.com/x/log.txt?x=159cf3c0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=225053d900535838 dashboard link: https://syzkaller.appspot.com/bug?extid=8965fea6a159ab9aa32d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=1328f3c0580000 Note: testing is done by a robot and is best-effort only.