Re: [PATCH] blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()

[Jens Axboe]

On 9/7/21 6:12 AM, Li Jinlin wrote:
> From: Li Jinlin <lijinlin3@xxxxxxxxxx>
> 
> The pending timer has been set up in blk_throtl_init(). However, the
> timer is not deleted in blk_throtl_exit(). This means that the timer
> handler may still be running after freeing the timer, which would
> result in a use-after-free.
> 
> Fix by calling del_timer_sync() to delete the timer in blk_throtl_exit().

Applied, thanks.

-- 
Jens Axboe