From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 4968E282F1 for ; Tue, 5 Nov 2024 07:58:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730793486; cv=none; b=VFtEz2IkeYRsB+rqf9iaUImJUsKA9R6/MYMI9T10nUCc15P6g8s7A/eNhG9/qXkq9KD6sec7aLuMYkcWFw2XQmVzfBfLO8663yhoI4AJxQWyS4hWwWqfQ3q7UOvFeW+l76Lx73s2pRBJTUBz778HnvXoQqV98nY2etrwMbHiiyM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730793486; c=relaxed/simple; bh=azZXxtr3X9ucm6FpIxDdwthQTEnhdex8BBxFlVmHV5w=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=vFvfURqp6SaaNlvQrbOJvglAPjTJGcxGWcb2qEYZ3dpPUgmhUmEQqY8sghZBy8Xxo1wLyurkYq6PXsxygrqzQspMHU4fkuFzVwGtUXdCZ9s6flrH8EIEi4by++aOXiBciNcZR2aUh48tlTLSxiByv732/HhPeVXJlmtJfRgE/kY= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-83aecd993faso439466839f.0 for ; Mon, 04 Nov 2024 23:58:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730793483; x=1731398283; 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=kz0PnaLXXeh33Vto5Qgmk6rptED8mC9ZDGwkI2x8mNU=; b=PBMwOIKLR15h7ZFrrJiST6t7zX1FvBDbQVY0K5JFon31xtFsawd9O4KA18kAB8ODrG +G+v9pqJQOmHBjBoO4br13oW/ZJtFwoAn5gfbyDivj6/eYEDp0Uz4ml2mrQGvOzQBc6v NsjAZ4Vuakg6Cjk30GSJgL1sZt6P0SEBhrkkR2tedN8iA4AIaasepGnf7hS8a/Skyr9N WlOz4r8Ubob9lpLH3yAsmahFogY3azR7MWTU4VWxEo4S91n6MZLGdHlLQA409pKbwy5B PzPsLReDm3QFTII0xjFFG/wLtVvMSLQTd5JMnqilNuWTgudEFg8uoK7M4BhENOOh+eEP UAYg== X-Forwarded-Encrypted: i=1; AJvYcCWd4OQiQx0Qsf50E8qgR0bTLsFmZDHWChoc9+T4QyM7+ErTwCCQRJtg82hjerpRAUyPKx4ShqA+slucE34=@vger.kernel.org X-Gm-Message-State: AOJu0YxpDTLJJ+NiKd4wgSJM+UkTk45pPcjS+rDLzdG/DJLs7cC0fBce cwoXYFAGMtGu5j5eJH1EKssqd0StAhuo0wRXZKruTfAyzsb3TD6PGYOj42Zf5m7ZWGAxnzOfkm5 TPDPNywffpqwf6GYIevVcBg987QsFcdUmJwObsCMV8OkNW2AHUACQAxk= X-Google-Smtp-Source: AGHT+IE6SM64gzQV+G2MzftNe/1kj7WQmgNm514nrfiz0SAat/XyvtmpAkJyCjJ8V+p528xsPUnXmuwoDEPK3qHvphotnmTrmxdM Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c08c:0:b0:3a6:ac4e:4d with SMTP id e9e14a558f8ab-3a6afeef2c1mr129996055ab.7.1730793483476; Mon, 04 Nov 2024 23:58:03 -0800 (PST) Date: Mon, 04 Nov 2024 23:58:03 -0800 In-Reply-To: <67251dc6.050a0220.529b6.015e.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6729d00b.050a0220.2edce.1505.GAE@google.com> Subject: Re: [syzbot] [kernfs?] WARNING: locking bug in kernfs_path_from_node From: syzbot To: bigeasy@linutronix.de, boqun.feng@gmail.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, longman@redhat.com, syzkaller-bugs@googlegroups.com, tj@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 560af5dc839eef08a273908f390cfefefb82aa04 Author: Sebastian Andrzej Siewior Date: Wed Oct 9 15:45:03 2024 +0000 lockdep: Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12d13587980000 start commit: f9f24ca362a4 Add linux-next specific files for 20241031 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=11d13587980000 console output: https://syzkaller.appspot.com/x/log.txt?x=16d13587980000 kernel config: https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9 dashboard link: https://syzkaller.appspot.com/bug?extid=6ea37e2e6ffccf41a7e6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13119340580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d56630580000 Reported-by: syzbot+6ea37e2e6ffccf41a7e6@syzkaller.appspotmail.com Fixes: 560af5dc839e ("lockdep: Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection