Re: [PATCH] bcache: fix use-after-free problem in bcache_device_free()

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,