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SubjectRe: [PATCH] ext4: fix leaking sysfs kobject after failed mount
On Thu, Sep 24, 2020 at 11:08:59AM +0200, Jan Kara wrote:
> On Tue 22-09-20 09:24:56, Eric Biggers wrote:
> > From: Eric Biggers <ebiggers@google.com>
> >
> > ext4_unregister_sysfs() only deletes the kobject. The reference to it
> > needs to be put separately, like ext4_put_super() does.
> >
> > This addresses the syzbot report
> > "memory leak in kobject_set_name_vargs (3)"
> > (https://syzkaller.appspot.com/bug?extid=9f864abad79fae7c17e1).
> >
> > Reported-by: syzbot+9f864abad79fae7c17e1@syzkaller.appspotmail.com
> > Fixes: 72ba74508b28 ("ext4: release sysfs kobject when failing to enable quotas on mount")
> > Cc: stable@vger.kernel.org
> > Signed-off-by: Eric Biggers <ebiggers@google.com>
>
> Looks good. You can add:
>
> Reviewed-by: Jan Kara <jack@suse.cz>

Thanks, applied.

- Ted

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