Re: [PATCH 0/4] Fix use after free in HPT resizing code and related minor improvements

2017-12-04 Thread Serhii Popovych
David Gibson wrote: > On Wed, Nov 29, 2017 at 11:38:22AM -0500, Serhii Popovych wrote: >> It is possible to trigger use after free during HPT resize >> causing host kernel to crash. More details and analysis of >> the problem can be found in change with corresponding subject >> (KVM: PPC: Book3S

Re: [PATCH 0/4] Fix use after free in HPT resizing code and related minor improvements

2017-12-04 Thread Michael Ellerman
David Gibson writes: > On Wed, Nov 29, 2017 at 11:38:22AM -0500, Serhii Popovych wrote: >> It is possible to trigger use after free during HPT resize >> causing host kernel to crash. More details and analysis of >> the problem can be found in change with

Re: [PATCH 0/4] Fix use after free in HPT resizing code and related minor improvements

2017-12-03 Thread David Gibson
On Wed, Nov 29, 2017 at 11:38:22AM -0500, Serhii Popovych wrote: > It is possible to trigger use after free during HPT resize > causing host kernel to crash. More details and analysis of > the problem can be found in change with corresponding subject > (KVM: PPC: Book3S HV: Fix use after free in

Re: [PATCH 0/4] Fix use after free in HPT resizing code and related minor improvements

2017-11-29 Thread David Gibson
On Wed, Nov 29, 2017 at 11:38:22AM -0500, Serhii Popovych wrote: > It is possible to trigger use after free during HPT resize > causing host kernel to crash. More details and analysis of > the problem can be found in change with corresponding subject > (KVM: PPC: Book3S HV: Fix use after free in

[PATCH 0/4] Fix use after free in HPT resizing code and related minor improvements

2017-11-29 Thread Serhii Popovych
It is possible to trigger use after free during HPT resize causing host kernel to crash. More details and analysis of the problem can be found in change with corresponding subject (KVM: PPC: Book3S HV: Fix use after free in case of multiple resize requests). We need some changes to prepare for