linux-kernel - Re: [lkp-robot] [fsnotify] 0ee0efcf7c: kernel_BUG_at_fs/notify/inotify/inotify

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Date:   Mon, 27 Mar 2017 16:48:52 +0200
From:   Jan Kara <jack@...e.cz>
To:     kernel test robot <xiaolong.ye@...el.com>
Cc:     Jan Kara <jack@...e.cz>, Amir Goldstein <amir73il@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, Jan Kara <jack@...e.com>,
        lkp@...org
Subject: Re: [lkp-robot] [fsnotify]  0ee0efcf7c:
 kernel_BUG_at_fs/notify/inotify/inotify_user.c

On Mon 27-03-17 12:36:17, kernel test robot wrote:
> FYI, we noticed the following commit:
> 
> commit: 0ee0efcf7c7968fb045454f621b5681e94b2c288 ("fsnotify: Move queueing of mark for destruction into fsnotify_put_mark()")
> https://git.kernel.org/cgit/linux/kernel/git/jack/linux-fs.git for_testing
> 
> in testcase: trinity
> with following parameters:
> 
> 	runtime: 300s
> 
> test-description: Trinity is a linux system call fuzz tester.
> test-url: http://codemonkey.org.uk/projects/trinity/

Yeah, the commit forgot to update assertion in inotify as ONESHOT watches
will now see one-less refcount (the protection still works right since they
are protected by SRCU in that case). Fixed.

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR