From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f71.google.com (mail-oa1-f71.google.com [209.85.160.71]) (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 1C8608634C for ; Thu, 25 Jun 2026 00:29:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782347359; cv=none; b=bCJ9WUTeUIn1r/xUgbDCzKRXne6ovqWKyMFV4/jsIx7ETQEaWg2qvpQLXZp8oyMPIUZPPXh4WAVgvoIZ1hYI84b2Da/HAfT0iHVdgz1PBHhdTDV/vRDTc2wadTmd0gT5wsOHNLRaaKnxi8tnTqzDKpQSdp5PhEruPKbmZ+7kTQM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782347359; c=relaxed/simple; bh=xn2pm/ELmaGwOYI/OrPJLOe4YOBad5MbT/dRe7ks+h4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ECZLVDwc6gKs35qXX9Coc3t5t82WPFKu+KEdjsOWb6Fzv1f6Bwrhitta30FeHA5SXZEaEBTq7Z1rkVujs723aIRFNgKC/vY+lVPA6i+KdqdTuGyBMLk260eE299rTmsQklWKQmqGFzscQNoN8Z7YsccpUTefv/IaPZLQ/rF7fEk= 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=209.85.160.71 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-oa1-f71.google.com with SMTP id 586e51a60fabf-4474dd4f31dso2067849fac.0 for ; Wed, 24 Jun 2026 17:29:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782347357; x=1782952157; 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=hYDelpipJn6Hd/75ngFIsNAbdyw4+zvZMVd0XlUk9bE=; b=MKT+OqPxrT82H6LyCIQ73kIk8eiqe3AoIrVZ+UucQtP5jYQ3BEFdyrlhclVF4JYJrw kQCYIsiVDuigsH5KaGDVfh6BGJdzJSxO7az2kPEvXCGVYbJy7HJpbDoSXbriB9owt7Rz XBI+iaw84QkTO+nR3S+Fete+ZdT+brQeQnCIFCWuuXkWrROszsOSuqECDsJnSnxfM49X 2NdPMtR1tHuRgFkOKzD5CcKowWsI1eQMDiA0lsQyorAekf9WtXFGt+YqpNYtR2EGN+LY WRVfN80kHEEm3UjHGcCoWGvVhWOeZWis2spB3rCSKWJEjJ4fy0UuzN0xChnIgs2WFLIy NvHA== X-Gm-Message-State: AOJu0Yyrf/t9RPJre3pWclruSUSKqQGKV7/CcLDnrVoLpq6m9VFYxQKJ 4j7mNXsP0z2YWYysBAGeFFQLWWeYJlpcT6bDS+6CRwYopfTq/0cQBDeA9OkzZasWt5IiZwF5AD+ omWRtL3yvpAq2IZR/BR5VKzw+EHDSWc+KA5aA5een4slAv+7zKNWEQpAb3gs= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2d0b:b0:6a1:100d:33b7 with SMTP id 006d021491bc7-6a135209b9cmr110863eaf.47.1782347357108; Wed, 24 Jun 2026 17:29:17 -0700 (PDT) Date: Wed, 24 Jun 2026 17:29:17 -0700 In-Reply-To: <6a3c371b.80e5668d.5d0ef.0000.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a3c765d.e7285e42.18f31f.0000.GAE@google.com> Subject: Forwarded: BUG: corrupted list in nilfs_lookup_dirty_data_buffers From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: BUG: corrupted list in nilfs_lookup_dirty_data_buffers Author: nico.antinori.7@gmail.com #syz test --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -741,6 +741,10 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, do { if (!buffer_dirty(bh) || buffer_async_write(bh)) continue; + + if (list_empty(&bh->b_assoc_buffers)) + continue; + get_bh(bh); list_add_tail(&bh->b_assoc_buffers, listp); ndirties++;