From: Jens Axboe <axboe@kernel.dk>
To: linan666@huaweicloud.com
Cc: hch@lst.de, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, yukuai3@huawei.com,
yi.zhang@huawei.com, houtao1@huawei.com, yangerkun@huawei.com
Subject: Re: [PATCH] block: fix overflow in blk_ioctl_discard()
Date: Tue, 02 Apr 2024 07:43:33 -0600 [thread overview]
Message-ID: <171206541390.1142385.3894757499421059664.b4-ty@kernel.dk> (raw)
In-Reply-To: <20240329012319.2034550-1-linan666@huaweicloud.com>
On Fri, 29 Mar 2024 09:23:19 +0800, linan666@huaweicloud.com wrote:
> There is no check for overflow of 'start + len' in blk_ioctl_discard().
> Hung task occurs if submit an discard ioctl with the following param:
> start = 0x80000000000ff000, len = 0x8000000000fff000;
> Add the overflow validation now.
>
>
Applied, thanks!
[1/1] block: fix overflow in blk_ioctl_discard()
commit: 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2024-04-02 13:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-29 1:23 linan666
2024-04-02 12:32 ` Christoph Hellwig
2024-04-03 1:28 ` Li Nan
2024-04-02 13:43 ` Jens Axboe [this message]
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