Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-04-18 Thread Greg Kroah-Hartman
On Wed, Apr 18, 2018 at 05:54:21PM +, Nadav Amit wrote: > Oleksandr Natalenko wrote: > > > Hello. > > > > On Fri, Mar 23, 2018 at 9:42 AM, Oleksandr Natalenko > > wrote: > >>> Actually, rechecking the bug description, I might have rushed. The bug > >>> that > >>> I encountered is related t

Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-04-18 Thread Nadav Amit
Oleksandr Natalenko wrote: > Hello. > > On Fri, Mar 23, 2018 at 9:42 AM, Oleksandr Natalenko > wrote: >>> Actually, rechecking the bug description, I might have rushed. The bug that >>> I encountered is related to the vunmap() but it is only caused when batching >>> is off, while the bug you re

Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-04-16 Thread Oleksandr Natalenko
Hello. On Fri, Mar 23, 2018 at 9:42 AM, Oleksandr Natalenko wrote: >> Actually, rechecking the bug description, I might have rushed. The bug that >> I encountered is related to the vunmap() but it is only caused when batching >> is off, while the bug you reported has batching on. >> >> It seems t

Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-03-23 Thread Oleksandr Natalenko
Hi. On Thu, Mar 22, 2018 at 9:02 PM, Nadav Amit wrote: > Actually, rechecking the bug description, I might have rushed. The bug that > I encountered is related to the vunmap() but it is only caused when batching > is off, while the bug you reported has batching on. > > It seems that your sources

Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-03-22 Thread Nadav Amit
Oleksandr Natalenko wrote: > Hi. > > On Mon, Mar 19, 2018 at 7:52 PM, Nadav Amit wrote: >>> Oleksandr, if you can confirm that it fixes the bug you encountered, it >>> would be great. >>> >>> Greg, Arnd, on your free time, please let me know if there is any issue >>> with the patch, and whethe

Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-03-20 Thread Oleksandr Natalenko
Hi. On Mon, Mar 19, 2018 at 7:52 PM, Nadav Amit wrote: >> Oleksandr, if you can confirm that it fixes the bug you encountered, it >> would be great. >> >> Greg, Arnd, on your free time, please let me know if there is any issue >> with the patch, and whether you can incorporate it, preferably in 4

Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-03-19 Thread Nadav Amit
Nadav Amit wrote: > Nadav Amit wrote: > >> From: Gil Kupfer >> >> The balloon.page field is used for two different purposes if batching is >> on or off. If batching is on, the field point to the page which is used >> to communicate with with the hypervisor. If it is off, balloon.page >> point

Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-03-14 Thread Oleksandr Natalenko
Hello. On Wed, Mar 14, 2018 at 5:02 AM, Nadav Amit wrote: > Oleksandr, if you can confirm that it fixes the bug you encountered, it > would be great. Sure, I'm checking this possibility with a couple of customers, and will reply back once I have some inputs on it. > Greg, Arnd, on your free tim

Re: [PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-03-13 Thread Nadav Amit
Nadav Amit wrote: > From: Gil Kupfer > > The balloon.page field is used for two different purposes if batching is > on or off. If batching is on, the field point to the page which is used > to communicate with with the hypervisor. If it is off, balloon.page > points to the page that is about to

[PATCH v2] vmw_balloon: fixing double free when batching mode is off

2018-03-12 Thread Nadav Amit
From: Gil Kupfer The balloon.page field is used for two different purposes if batching is on or off. If batching is on, the field point to the page which is used to communicate with with the hypervisor. If it is off, balloon.page points to the page that is about to be (un)locked. Unfortunately,