Re: Re: [RFC PATCH] staging/android/ion : fix a race condition in the ion driver

2016-02-18 Thread EunTaik Lee
2016-02-18 3:54 GMT+09:00 Laura Abbott : > On 02/16/2016 10:32 PM, EunTaik Lee wrote: >> There was a use-after-free problem in the ion driver. >> >> The problem is detected as an unaligned access in the >> spin lock functions since it uses load exclusive >> instruction. In some cases it corrupts

Re: [RFC PATCH] staging/android/ion : fix a race condition in the ion driver

2016-02-17 Thread Laura Abbott
On 02/16/2016 10:32 PM, EunTaik Lee wrote: > There was a use-after-free problem in the ion driver. > > The problem is detected as an unaligned access in the > spin lock functions since it uses load exclusive > instruction. In some cases it corrupts the slub's > free pointer which causes a unalig