linux-kernel - [PATCH RFC 0/2] block: fix uaf in bd_link_disk

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Date:   Tue, 18 Oct 2022 21:14:30 +0800
From:   Yu Kuai <yukuai3@...wei.com>
To:     <hch@....de>, <axboe@...nel.dk>, <gregkh@...uxfoundation.org>,
        <willy@...radead.org>, <martin.petersen@...cle.com>,
        <kch@...dia.com>
CC:     <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <yukuai3@...wei.com>, <yukuai1@...weicloud.com>,
        <yi.zhang@...wei.com>
Subject: [PATCH RFC 0/2] block: fix uaf in bd_link_disk_holder()

Yu Kuai (2):
  kobject: add return value for kobject_put()
  block: protect slave_dir/bd_holder_dir by open_mutex

 block/genhd.c           |  8 ++++++--
 block/holder.c          | 13 ++++++++++++-
 block/partitions/core.c |  5 ++++-
 include/linux/kobject.h |  2 +-
 lib/kobject.c           |  7 +++++--
 5 files changed, 28 insertions(+), 7 deletions(-)

-- 
2.31.1