linux-kernel - Re: [PATCH] uprobes: Use synchronize_rcu() not synchronize

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180810114202.GB3677@redhat.com>
Date:   Fri, 10 Aug 2018 13:42:02 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        "zhangwei(Jovi)" <jovi.zhangwei@...wei.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] uprobes: Use synchronize_rcu() not synchronize_sched()

On 08/10, Oleg Nesterov wrote:
>
> @@ -920,7 +918,8 @@ probe_event_enable(struct trace_uprobe *
>  	ret = uprobe_register(tu->inode, tu->offset, &tu->consumer);
>  	if (ret)
>  		goto err_buffer;
> -
> + add:
> +	list_add_tail_rcu(&link->list, &tu->tp.files);

	if (link)
		list_add_tail_rcu(&link->list, &tu->tp.files);

Oleg.