From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: lkp@lists.01.org
Subject: Re: [lkp-robot] [printk] c162d5b433: BUG:KASAN:use-after-scope_in_c
Date: Fri, 02 Mar 2018 14:10:46 +0900 [thread overview]
Message-ID: <20180302051046.GA899@jagdpanzerIV> (raw)
In-Reply-To: <CACT4Y+byVgvjzTush=Zft_iQmZ3e46QS8X6ooZ15CmAxvPu-oA@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 471 bytes --]
On (03/01/18 16:53), Dmitry Vyukov wrote:
[..]
> > Hello Dmitry,
> >
> > I believe it's this one
> >
> > https://marc.info/?l=linux-kernel&m=151200883525299
>
>
> Thanks, but now that I debugged this one, I think that one is the same issue.
> Amusingly a write in READ_ONCE is actually legitimate because
> GCC_PLUGIN_STRUCTLEAK emits an initializing write for __u variable in
> READ_ONCE implementation.
Thanks. It's great to have you in Cc ;)
-ss
WARNING: multiple messages have this Message-ID (diff)
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Petr Mladek <pmladek@suse.com>,
kernel test robot <shun.hao@intel.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
Dave Hansen <dave.hansen@intel.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Mel Gorman <mgorman@suse.de>, Michal Hocko <mhocko@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
Peter Zijlstra <peterz@infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jan Kara <jack@suse.cz>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Byungchul Park <byungchul.park@lge.com>,
Tejun Heo <tj@kernel.org>, Pavel Machek <pavel@ucw.cz>,
Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>, LKP <lkp@01.org>,
kasan-dev <kasan-dev@googlegroups.com>
Subject: Re: [lkp-robot] [printk] c162d5b433: BUG:KASAN:use-after-scope_in_c
Date: Fri, 2 Mar 2018 14:10:46 +0900 [thread overview]
Message-ID: <20180302051046.GA899@jagdpanzerIV> (raw)
In-Reply-To: <CACT4Y+byVgvjzTush=Zft_iQmZ3e46QS8X6ooZ15CmAxvPu-oA@mail.gmail.com>
On (03/01/18 16:53), Dmitry Vyukov wrote:
[..]
> > Hello Dmitry,
> >
> > I believe it's this one
> >
> > https://marc.info/?l=linux-kernel&m=151200883525299
>
>
> Thanks, but now that I debugged this one, I think that one is the same issue.
> Amusingly a write in READ_ONCE is actually legitimate because
> GCC_PLUGIN_STRUCTLEAK emits an initializing write for __u variable in
> READ_ONCE implementation.
Thanks. It's great to have you in Cc ;)
-ss
next prev parent reply other threads:[~2018-03-02 5:10 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-24 5:34 [lkp-robot] [printk] c162d5b433: BUG:KASAN:use-after-scope_in_c kernel test robot
2018-02-24 5:34 ` kernel test robot
2018-02-28 10:23 ` Petr Mladek
2018-02-28 10:23 ` Petr Mladek
2018-02-28 15:59 ` Petr Mladek
2018-02-28 15:59 ` Petr Mladek
2018-03-01 1:08 ` Tetsuo Handa
2018-03-01 1:37 ` Sergey Senozhatsky
2018-03-01 1:37 ` Sergey Senozhatsky
2018-03-01 8:47 ` Dmitry Vyukov
2018-03-01 8:47 ` Dmitry Vyukov
2018-03-01 10:06 ` Tetsuo Handa
2018-03-01 14:09 ` Dmitry Vyukov
2018-03-01 14:09 ` Dmitry Vyukov
2018-03-01 14:14 ` Ard Biesheuvel
2018-03-01 14:14 ` Ard Biesheuvel
2018-03-01 16:38 ` Kees Cook
2018-03-01 16:38 ` Kees Cook
2018-03-02 3:48 ` Hao, Shun
2018-03-02 3:48 ` Hao, Shun
2018-03-01 8:51 ` Dmitry Vyukov
2018-03-01 8:51 ` Dmitry Vyukov
2018-03-01 15:19 ` Sergey Senozhatsky
2018-03-01 15:19 ` Sergey Senozhatsky
2018-03-01 15:53 ` Dmitry Vyukov
2018-03-01 15:53 ` Dmitry Vyukov
2018-03-02 5:10 ` Sergey Senozhatsky [this message]
2018-03-02 5:10 ` Sergey Senozhatsky
2018-03-01 3:26 ` Tetsuo Handa
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