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 602CF239E60 for ; Mon, 8 Sep 2025 19:52:04 +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=1757361125; cv=none; b=n8aey94fz7V2GPFrCESGRrsncnNRQp9RcU95yGS0GIOGbCruJrvcWzVb3wfdQIjuX0hJ8Th1bQlFhA8USu1M63aV0jRFn2aquHUr82icWT8iEe0j+K3pO0t65biNcEFCo+CP4WCfuSUvS3HPxx3cmbRJXYccPqRu4G3s5ltoIAc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757361125; c=relaxed/simple; bh=Xw3fA3hYo91wcLGD0HNrTR+08mGg9P6FC4LeHeM9EQA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=YzDXmoI2bZg6PRD/A74QktaK2zeSm6lLwI/HJcJelZy1+ux+SQL/0fiIMPFqjYWiaatH0Qf6901JNN4fl1UeJ2YUCp6DhNBXDFbY/jm3gvDQQTz3b1+zx6zZvZyOHEvuNg6vxgnq4cvRxcxpg1cboY4jZYixM9ufbRZ0GPhkKNs= 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-4020e59b735so67983745ab.1 for ; Mon, 08 Sep 2025 12:52:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757361123; x=1757965923; 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=6E6CGk2tmAlq5+OVCzHjqNr7fmm4smeKYiarZdZ2kMw=; b=andpXvjxaEnoRMivfD2GpxrtWTi0f6fR6j6icBsCMP3a5S4xfsymG8Vybr43GIL8hr cu0X83avypQ0Jnd+qJN0w36R3nPHY9KeVPxzATcKDDTwutesmcihcHKjsnaSurc8EQ0B wqVhy3rjsSS7G9KUrtEOHB9deiPKv0KcaCb2NfKIItPabp8+rL5cG88fQ9+PZEixp7jJ n6A0UdW7Bwxsx68J+txxuq5Dn8g2SGyEbz7RJDvsxCWHyIzL4lywZ6twBVxy832YzhVd m7paZfj+5ThwRh6bg0fgd32A/txlbUe14Te0tfclVfnlOSzfCTE22z3FGLqCHtYLqFK3 eCDg== X-Forwarded-Encrypted: i=1; AJvYcCVfERaSmVlZKeahrQ0NmDtWm0ZA1sjRxncLsVNeFgzGRwSLmhrpGyf+TDnQkosvCxPZjxubSg1URQ8HnPY=@vger.kernel.org X-Gm-Message-State: AOJu0YyxP5uwYvfe7MgV+Sb5/feKWMZ8OgN2OT0B+cijSE8HFmu6D4hv BJo9whKjRhS++esv77ZrIMfvPF4Jlcd9zgZL9MYeZ5hicgKHyTASdSftyt0Lx5nRSrqYQZWHfw2 lRfixNU2HU6pdMYv2aYSoGu5rT0//4Cz5k8S6P9QzPncWr8rYqOngdB4vdh4= X-Google-Smtp-Source: AGHT+IGXg7L5kD0uoY5KYmviwfxTBneLi5Cm1Bw2Zj7cRXNgGfxtx4v4PIo7McUtRBfK4wibi8nrfPuz44FeC2vNCprnp34kScX8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1985:b0:407:51a8:6b5c with SMTP id e9e14a558f8ab-40751a86cfemr66244445ab.32.1757361123448; Mon, 08 Sep 2025 12:52:03 -0700 (PDT) Date: Mon, 08 Sep 2025 12:52:03 -0700 In-Reply-To: <68bf244a.050a0220.192772.0883.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68bf33e3.a70a0220.7a912.02c3.GAE@google.com> Subject: Re: [syzbot] [mm?] [ext4?] WARNING in ext4_init_orphan_info From: syzbot To: adilger.kernel@dilger.ca, akpm@linux-foundation.org, apopple@nvidia.com, byungchul@sk.com, david@redhat.com, gourry@gourry.net, jack@suse.cz, joshua.hahnjy@gmail.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, matthew.brost@intel.com, rakie.kim@sk.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu, ying.huang@linux.alibaba.com, ziy@nvidia.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 02f310fcf47fa9311d6ba2946a8d19e7d7d11f37 Author: Jan Kara Date: Mon Aug 16 09:57:06 2021 +0000 ext4: Speedup ext4 orphan inode handling bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16645562580000 start commit: 76eeb9b8de98 Linux 6.17-rc5 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=15645562580000 console output: https://syzkaller.appspot.com/x/log.txt?x=11645562580000 kernel config: https://syzkaller.appspot.com/x/.config?x=429771c55b615e85 dashboard link: https://syzkaller.appspot.com/bug?extid=0b92850d68d9b12934f5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=168d2562580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15869562580000 Reported-by: syzbot+0b92850d68d9b12934f5@syzkaller.appspotmail.com Fixes: 02f310fcf47f ("ext4: Speedup ext4 orphan inode handling") For information about bisection process see: https://goo.gl/tpsmEJ#bisection