From: Yu Kuai <yukuai3@huawei.com>
To: <jack@suse.cz>, <gregkh@linuxfoundation.org>,
<paolo.valente@linaro.org>, <axboe@kernel.dk>
Cc: <linux-block@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<yukuai3@huawei.com>, <yi.zhang@huawei.com>
Subject: [PATCH linux-4.19.y 0/5] fix memleak of bfq weights_tree node
Date: Tue, 21 Dec 2021 19:38:44 +0800 [thread overview]
Message-ID: <20211221113849.2219126-1-yukuai3@huawei.com> (raw)
Our test found that bfq_weight_counter can leak quite easy. This problem
can be fixed by patch 4, and other patches is needed to backport patch
4.
Federico Motta (2):
block, bfq: improve asymmetric scenarios detection
block, bfq: fix asymmetric scenarios detection
Paolo Valente (3):
block, bfq: fix decrement of num_active_groups
block, bfq: fix queue removal from weights tree
block, bfq: fix use after free in bfq_bfqq_expire
block/bfq-iosched.c | 287 +++++++++++++++++++++++++++-----------------
block/bfq-iosched.h | 76 +++++++++---
block/bfq-wf2q.c | 56 +++++----
3 files changed, 270 insertions(+), 149 deletions(-)
--
2.31.1
next reply other threads:[~2021-12-21 11:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-21 11:38 Yu Kuai [this message]
2021-12-21 11:38 ` [PATCH linux-4.19.y 1/5] block, bfq: improve asymmetric scenarios detection Yu Kuai
2021-12-21 11:38 ` [PATCH linux-4.19.y 2/5] block, bfq: fix " Yu Kuai
2021-12-21 11:38 ` [PATCH linux-4.19.y 3/5] block, bfq: fix decrement of num_active_groups Yu Kuai
2021-12-21 11:38 ` [PATCH linux-4.19.y 4/5] block, bfq: fix queue removal from weights tree Yu Kuai
2021-12-21 11:38 ` [PATCH linux-4.19.y 5/5] block, bfq: fix use after free in bfq_bfqq_expire Yu Kuai
2021-12-22 12:10 ` [PATCH linux-4.19.y 0/5] fix memleak of bfq weights_tree node Greg KH
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