Re: [PATCH] bcache: fix use-after-free problem in bcache_device_free()
From: Jens Axboe <axboe@kernel.dk>
Date: 2021-11-03 12:00:35
Also in:
linux-block, stable
On Wed, 3 Nov 2021 14:49:17 +0800, Coly Li wrote:
In bcache_device_free(), pointer disk is referenced still in ida_simple_remove() after blk_cleanup_disk() gets called on this pointer. This may cause a potential panic by use-after-free on the disk pointer. This patch fixes the problem by calling blk_cleanup_disk() after ida_simple_remove(). [...]
Applied, thanks!
[1/1] bcache: fix use-after-free problem in bcache_device_free()
commit: 8468f45091d2866affed6f6a7aecc20779139173
Best regards,
--
Jens Axboe