Re: [ovs-discuss] Double free in recent kernels after memleak fix

2020-08-11 Thread Johan Knöös via discuss
On Mon, Aug 10, 2020 at 10:59 PM Tonghao Zhang wrote: > > On Tue, Aug 11, 2020 at 12:08 PM Cong Wang wrote: > > > > On Mon, Aug 10, 2020 at 8:27 PM Tonghao Zhang > > wrote: > > > > > > On Tue, Aug 11, 2020 at 10:24 AM Cong Wang > > > wrote: > > > > > > > > On Mon, Aug 10, 2020 at 6:16 PM Tong

Re: [ovs-discuss] Double free in recent kernels after memleak fix

2020-08-07 Thread Johan Knöös via discuss
w: > > > > On Fri, Aug 7, 2020 at 11:32 AM Johan Knöös wrote: > > > > > > On Tue, Aug 4, 2020 at 8:52 AM Gregory Rose wrote: > > > > > > > > > > > > > > > > On 8/3/2020 12:01 PM, Johan Knöös via discuss wrote: > > &g

Re: [ovs-discuss] Double free in recent kernels after memleak fix

2020-08-07 Thread Johan Knöös via discuss
On Tue, Aug 4, 2020 at 8:52 AM Gregory Rose wrote: > > > > On 8/3/2020 12:01 PM, Johan Knöös via discuss wrote: > > Hi Open vSwitch contributors, > > > > We have found openvswitch is causing double-freeing of memory. The > > issue was not present in ker

[ovs-discuss] Double free in recent kernels after memleak fix

2020-08-03 Thread Johan Knöös via discuss
Hi Open vSwitch contributors, We have found openvswitch is causing double-freeing of memory. The issue was not present in kernel version 5.5.17 but is present in 5.6.14 and newer kernels. After reverting the RCU commits below for debugging, enabling slub_debug, lockdep, and KASAN, we see the warn