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Message-ID: <20210809030927.1946162-1-yukuai3@huawei.com>
Date: Mon, 9 Aug 2021 11:09:25 +0800
From: Yu Kuai <yukuai3@...wei.com>
To: <axboe@...nel.dk>, <josef@...icpanda.com>, <bvanassche@....org>,
<ming.lei@...hat.com>
CC: <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<nbd@...er.debian.org>, <yukuai3@...wei.com>, <yi.zhang@...wei.com>
Subject: [PATCH v2 0/2] fix request uaf in nbd_read_stat()
This patchset fix request uaf in nbd, other drivers might have the
same problem. Will fix them later if this patchset is accepted.
Changes in v2:
- as Bart suggested, add a new helper function for drivers to get
request by tag.
Yu Kuai (2):
blk-mq: add a new interface to get request by tag
nbd: convert to use blk_mq_get_rq_by_tag()
block/blk-mq-tag.c | 33 +++++++++++++++++++++++++++++++++
block/blk-mq.c | 1 +
block/blk-mq.h | 1 -
drivers/block/nbd.c | 11 ++++++-----
include/linux/blk-mq.h | 3 +++
5 files changed, 43 insertions(+), 6 deletions(-)
--
2.31.1
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