From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 716F71CCB41 for ; Tue, 22 Oct 2024 22:39:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729636746; cv=none; b=YIfGA5ZhSps3UnsZLKNbv+EbV8ZDo0FAr4Qvj9hClULJeVYpqA3VnXNfJABhp5OhDUYBKng7R7HAKn4dIeRQqYft87szwFGHbmHWYe4hLN66fyI+RYsl/7lzS3dfH+RcBDnJVekwnX0ets08XEQZc7LGlM5F0KSPkbTMDaHWrtA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729636746; c=relaxed/simple; bh=qluEbLL/61JnFJJ+1HrJtCML4J7G6Oi0jEbUGJwD6O0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=rVk+6UcKaPDjYieght2Yu4GVgr+bwcOBtiIZu1DTqDV2MEWbWMNkbYxnpWD9xnTUIrYVWZEUC9Jd574MUxvLnOkjcMBZxWtEKlhF04okjXrcuIVS8akPE96RCvuCieNllLHxT8eSW+mQNN81UTMrAKbOAT8NjU8dooqKd94/GHk= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-3a3c70e58bfso53078045ab.3 for ; Tue, 22 Oct 2024 15:39:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729636744; x=1730241544; 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=Ou3ZSS8VXdcc2i16wGFKqFwy4n6TY8ZsZEapadHZyfM=; b=k90BjpxrFZEmF3Llot3Q6+H+yTeoHVCxSll4wedyVzW1Kgbuv/jTMfRSuNcS1AC45z GCNixMKF+0CFPjKBRNIOHhQZJuzhrz4h2tZEK+pYxuRapfcfF0+Lsz+ufqCDv6cVwIit lQPF6LUzFPlXBeLyseMnaceHjSpbwCxeUmKEdY5ZJvBT/mVEAZvNyrl6a7NUYFD/rOhw 503j0CDr0iLDjulcZxJ1Rn2OihhRT2/TnQaehaoePFQ2VSa4cCSkDD9aUfKQYpMsmIBQ HFqeXqiPSN7H4eJcb40a0vadr7nr3lMXUiC0YEuz2bjsN5/uEn8/XpThYbdTb/Es6Imp S49w== X-Forwarded-Encrypted: i=1; AJvYcCWfbUFLAkMkRIlfRA3Ssk635nW4V4RE+tTvDEp4dkuu30/YI02hCyfeT9K2u92f1mqQo/PjqMIsRQNgGMHkSQ==@vger.kernel.org X-Gm-Message-State: AOJu0YwvyGgbROfxvLI54VPR67vUDop6vKreJ2z41OJu6Qeohc2j+/JD fFXaDOeYlzEcn8FJiAHD7HhKRJvZOlBO2l0T8UYBNQmwVswqSUJXhFhOMd+G9zHeZqRt1BbyT1y 80+6hVVZ/6EtzqizhRw4E1Ar3QlfpOSZ3t9nTObvPBWWnzwknBo52B24= X-Google-Smtp-Source: AGHT+IFOQm2zWuPY/iTsaUu2kI12hYW4zsOaIt6XeZET0rc7gdHnow318GkCuavuJN36Cgl7ruV9Pe5MyCWkd6+Iedn36f9J4nLR Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1446:b0:3a0:9c99:32d6 with SMTP id e9e14a558f8ab-3a4d59d179bmr7359755ab.24.1729636744550; Tue, 22 Oct 2024 15:39:04 -0700 (PDT) Date: Tue, 22 Oct 2024 15:39:04 -0700 In-Reply-To: <6717a66e.050a0220.10f4f4.0127.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67182988.050a0220.1e4b4d.007c.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] INFO: task hung in __closure_sync_timeout From: syzbot To: bfoster@redhat.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit f7643bc9749f270d487c32dc35b578575bf1adb0 Author: Kent Overstreet Date: Wed Apr 17 05:26:02 2024 +0000 bcachefs: make btree read errors silent during scan bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1374a640580000 start commit: c2ee9f594da8 KVM: selftests: Fix build on on non-x86 archi.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=10f4a640580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1774a640580000 kernel config: https://syzkaller.appspot.com/x/.config?x=41330fd2db03893d dashboard link: https://syzkaller.appspot.com/bug?extid=43d0c6eb00a26a41ec60 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12265430580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1105c640580000 Reported-by: syzbot+43d0c6eb00a26a41ec60@syzkaller.appspotmail.com Fixes: f7643bc9749f ("bcachefs: make btree read errors silent during scan") For information about bisection process see: https://goo.gl/tpsmEJ#bisection