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
| ||
|
Date: Mon, 22 Jul 2013 11:06:00 -0400 From: Steven Rostedt <rostedt@...dmis.org> To: Oleg Nesterov <oleg@...hat.com> Cc: Al Viro <viro@...iv.linux.org.uk>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Alexander Z Lam <azl@...gle.com>, David Sharp <dhsharp@...gle.com>, Frederic Weisbecker <fweisbec@...il.com>, Ingo Molnar <mingo@...hat.com>, Vaibhav Nagarnaik <vnagarnaik@...gle.com>, "zhangwei(Jovi)" <jovi.zhangwei@...wei.com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/7] tracing: Introduce trace_create_cpu_file() and tracing_get_cpu() On Mon, 2013-07-22 at 10:55 -0400, Steven Rostedt wrote: > The problem is that some files only references the tr for a certain CPU. > Another data structure was created when the file was opened called > trace_cpu (tc), which maps a CPU and a trace_array. As there is no Correction, the trace_cpu is created when the file is created, not when it was opened. > global list of trace_cpus, this is susceptible to the above race > condition. Accessing tc->tr can happen after tc has been freed. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists