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 03BDC170828 for ; Tue, 17 Sep 2024 09:51:02 +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=1726566664; cv=none; b=uTP4c/3L6qnrt54P+7bS8oyqEp1M569Y4NeXB3ou4C+LUHjqjPWc2OYuAGJlcgaNfL55gi+3o+jahJfCZNDdWlkF4idDGjyfSXPQu5cdAYGj+ptcP3Al97p8LD0FVddSo/4jIUD49sLQ6xZKqA2DgTlchWRjDYLE/aidF0c+ZK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726566664; c=relaxed/simple; bh=d+BFDkFojviuUYyTlF8lf53Jk7wMgz/eph+lTUjGNJw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=s/X7rJZIspktyeOm5hcC/vCKDgKKdxi/VruTwkJtPZHK+xuv5QhSU28SRRC4B5KexbhC9EroYcpNEIzsVvBVug9MzTKcbQS9XTmk6LnxIG/cb7cxAbtH2RTBwCVawVb+9KeIwE+Ib+v83Up5uxk924sr2OzF05RsMz0LhsqjJdc= 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-3a0a2c95e81so18110015ab.0 for ; Tue, 17 Sep 2024 02:51:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726566662; x=1727171462; 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=1WAEizX9Y1SMbjSDqtNh8j+ktqk2hMLvxIFTpNMvgJ8=; b=wUUxVnx1kzJLSUqKE23okpGgn6NfeU94dLuw/JBbcTPTIyT+WXk1gIUrmb1HZrWBM3 V6j2p7m10l4WKvWAMHsZNBmn5XtlDikh6vesqvZVa/ASpnLx4ZzNlif2DEtwZx4CPsCF p2+Mlem2hpPBmVY2CS+CYrKAjiwWFbIcZ9Au0R+LwovlnAw4Y4nQxJaqRbn4hB4sppVk eStaVu8alRjXZHGhD1qj3MyZpzm2uoSkprcpb5ETqsr33LKkwRqAU++KNYCqNB4o+nSb L46vs1QtiFwb7TO8JvYbNSvd302+feoj3Y+au/3MMbUk7EDJN5A36u/aNm5UL7ohy/be To6w== X-Forwarded-Encrypted: i=1; AJvYcCWZTA9CPahX3DLg+xvvQvFOp/+aX5XtOo1xGNTLlGuPNb55jzEpUzHFDFXMEEXBEYAoyQUstlao947S6h1wVg==@vger.kernel.org X-Gm-Message-State: AOJu0Yzn5WjY2iKgQtD1odpULg4cjj2/ZINYU8vcbsNF9G5s4xnWIWKx zT1SceixsUQHH9LIaeefdC3gql2qD711Pfzp2VIdrsEM7hrQFJ/d+AGKscWu05DXHcV4ZM+F0je +VPATVOARF+SyjyHnz0Zw2+CRVWFz8lunOglI9XFpAgrPLLsokB9fK6Y= X-Google-Smtp-Source: AGHT+IElAEl5pwEDniwyOyW0Nf1KrDJxFTCIQQfsNBJMaH4x60gTb1RTLqMDHomFXNXjut1/m+HvyRhTOj6ZfZj3XtZ3uDcCjebb Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12c5:b0:39f:5efe:ae73 with SMTP id e9e14a558f8ab-3a0848eb2admr187448595ab.5.1726566662251; Tue, 17 Sep 2024 02:51:02 -0700 (PDT) Date: Tue, 17 Sep 2024 02:51:02 -0700 In-Reply-To: <0000000000006304400619bbfae2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000095b8f806224da030@google.com> Subject: Re: [syzbot] [bcachefs?] INFO: task hung in bch2_copygc_stop 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 f5095b9f85a1674a92d00e7ab466499a8ba49ce1 Author: Kent Overstreet Date: Tue Jan 2 00:42:37 2024 +0000 bcachefs: dev_usage updated by new accounting bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1256e29f980000 start commit: adfc3ded5c33 Merge tag 'for-6.12/io_uring-discard-20240913.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1156e29f980000 console output: https://syzkaller.appspot.com/x/log.txt?x=1656e29f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=6f94136b4da4e897 dashboard link: https://syzkaller.appspot.com/bug?extid=c6fd966ebbdea1e8ff08 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10936a8b980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10bdd7c7980000 Reported-by: syzbot+c6fd966ebbdea1e8ff08@syzkaller.appspotmail.com Fixes: f5095b9f85a1 ("bcachefs: dev_usage updated by new accounting") For information about bisection process see: https://goo.gl/tpsmEJ#bisection