From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 770578BF3; Sun, 2 Jun 2024 03:09:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717297794; cv=none; b=RPfhaEAPlWi0rRf7dyzqfSj5zbaJ5u48TrEdTMY+F/aNhUt8OH8iqoAWUG+JmB7fBtTCXMfAevcuvS9yssXB5ptqLm0ktAEaE10h8IVDhqJCfRTcUkdjka1y6YkcqwUDFhjdOjrUhEZrmvfWk9uI0ZRGlq19uefT8Dh6UabhPiM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717297794; c=relaxed/simple; bh=mxKHFv4b0GpvtdP6ln5iryWXR3VuD8H8Rh5UyDDSVWQ=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=mdKxp7hr1HBluD3WWoGoCxDxHxMTOgjOCoaJDpOnXLO8efgcz0z2SA9q9GFuTHXYvql0EEBURwThVS5K3XHYTcpaDv1htg4YKZrz9/pwH2RHZ4IjzsM12G+XKfrNXbqUHtOHdfzRgqffpk4lg/b43yRLL4j8AcMUj2wQuUTOV08= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QRMkliUx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QRMkliUx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C58EC3277B; Sun, 2 Jun 2024 03:09:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717297794; bh=mxKHFv4b0GpvtdP6ln5iryWXR3VuD8H8Rh5UyDDSVWQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=QRMkliUxoT2FNriuvjGQ2nm0MZSVY7Z9ZR9LUhy+haKlUOpl2Vxu4nErbAuUZKCq+ dL7X+XVZOVH0T33b+1Ba1aesvMtb81r3MMj+shFRdUYz9bgWDjRVA+GvPAvqx2TUDa VgyWqhV+18C/KmGCi1MJe41B76zLqcTVzrPikbr9Q52VpnBBNj8UxRyUjDUuL7611q I9Sbre88fye0ZgIs2Eu6JT1FGZtOxkgYWE1jdjHZ9fWJTCXj3tA2AxnPcPNDySrrYD GJL2p6d+NM7UnnXGCdjEVci+QMAaVrknXSVHmpJXDEmuAL7D6/0KyQlZTlIgkc644Y 0mSM49r3kA04Q== Date: Sun, 2 Jun 2024 12:09:50 +0900 From: Masami Hiramatsu (Google) To: syzbot Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, bpf@vger.kernel.org Subject: Re: [syzbot] Monthly trace report (May 2024) Message-Id: <20240602120950.8f08ef16ad9c485db374c08d@kernel.org> In-Reply-To: <00000000000061fac40619ba66f6@google.com> References: <00000000000061fac40619ba66f6@google.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 30 May 2024 23:50:32 -0700 syzbot wrote: > Hello trace maintainers/developers, > > This is a 31-day syzbot report for the trace subsystem. > All related reports/information can be found at: > https://syzkaller.appspot.com/upstream/s/trace > > During the period, 1 new issues were detected and 0 were fixed. > In total, 10 issues are still open and 35 have been fixed so far. > > Some of the still happening issues: > > Ref Crashes Repro Title > <1> 705 Yes WARNING in format_decode (3) > https://syzkaller.appspot.com/bug?extid=e2c932aec5c8a6e1d31c Could you send this to bpf folks? It seems bpf_trace_printk caused this errror. (Maybe skipping fmt string check?) > <2> 26 Yes INFO: task hung in blk_trace_ioctl (4) > https://syzkaller.appspot.com/bug?extid=ed812ed461471ab17a0c This looks like debugfs_mutex lock leakage. Need to rerun with lockdep. > <3> 7 Yes WARNING in get_probe_ref > https://syzkaller.appspot.com/bug?extid=8672dcb9d10011c0a160 Hm, fail on register_trace_block_rq_insert(). blktrace issue. > <4> 6 Yes INFO: task hung in blk_trace_remove (2) > https://syzkaller.appspot.com/bug?extid=2373f6be3e6de4f92562 This looks like debugfs_mutex lock leakage too. > <5> 5 Yes general protection fault in bpf_get_attach_cookie_tracing > https://syzkaller.appspot.com/bug?extid=3ab78ff125b7979e45f9 This is also BPF problem. Thank you, > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. > > To disable reminders for individual bugs, reply with the following command: > #syz set no-reminders > > To change bug's subsystems, reply with: > #syz set subsystems: new-subsystem > > You may send multiple commands in a single email message. -- Masami Hiramatsu (Google)