linux-kernel - Re: [PATCH] mmap_lock: Change trace and locking order

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] [day] [month] [year] [list]

Message-ID: <20210903020943.rogfn5zy26m4r5l7@revolver>
Date:   Fri, 3 Sep 2021 02:09:51 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     Matthew Wilcox <willy@...radead.org>
CC:     "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Michel Lespinasse <walken.cr@...il.com>,
        Vlastimil Babka <vbabka@...e.cz>
Subject: Re: [PATCH] mmap_lock: Change trace and locking order

* Matthew Wilcox <willy@...radead.org> [210902 21:43]:
> On Fri, Sep 03, 2021 at 01:35:31AM +0000, Liam Howlett wrote:
> > Print to the trace log before releasing the lock to avoid racing with
> > other trace log printers of the same lock type.
> 
> Aren't you missing mmap_read_unlock_non_owner()?

Yes I am.  I'll send out v2 shortly.