Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-27 Thread Jean-Philippe Menil
On 06/27/2017 04:13 AM, Jason Wang wrote: On 2017年06月26日 15:35, Jean-Philippe Menil wrote: On 06/26/2017 04:50 AM, Jason Wang wrote: On 2017年06月24日 06:32, Cong Wang wrote: On Fri, Jun 23, 2017 at 1:43 AM, Jason Wang wrote: On 2017年06月23日 02:53, Michael S. Tsirkin wrote: On Thu, Jun 22,

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-26 Thread Jason Wang
On 2017年06月26日 15:35, Jean-Philippe Menil wrote: On 06/26/2017 04:50 AM, Jason Wang wrote: On 2017年06月24日 06:32, Cong Wang wrote: On Fri, Jun 23, 2017 at 1:43 AM, Jason Wang wrote: On 2017年06月23日 02:53, Michael S. Tsirkin wrote: On Thu, Jun 22, 2017 at 08:15:58AM +0200, jean-philippe me

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-26 Thread Jean-Philippe Menil
On 06/26/2017 04:50 AM, Jason Wang wrote: On 2017年06月24日 06:32, Cong Wang wrote: On Fri, Jun 23, 2017 at 1:43 AM, Jason Wang wrote: On 2017年06月23日 02:53, Michael S. Tsirkin wrote: On Thu, Jun 22, 2017 at 08:15:58AM +0200, jean-philippe menil wrote: Hi Michael, from what i see, the race a

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-25 Thread Jason Wang
On 2017年06月24日 06:32, Cong Wang wrote: On Fri, Jun 23, 2017 at 1:43 AM, Jason Wang wrote: On 2017年06月23日 02:53, Michael S. Tsirkin wrote: On Thu, Jun 22, 2017 at 08:15:58AM +0200, jean-philippe menil wrote: Hi Michael, from what i see, the race appear when we hit virtnet_reset in virtnet_

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-23 Thread Cong Wang
On Fri, Jun 23, 2017 at 1:43 AM, Jason Wang wrote: > > > On 2017年06月23日 02:53, Michael S. Tsirkin wrote: >> >> On Thu, Jun 22, 2017 at 08:15:58AM +0200, jean-philippe menil wrote: >>> >>> Hi Michael, >>> >>> from what i see, the race appear when we hit virtnet_reset in >>> virtnet_xdp_set. >>> vir

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-23 Thread Jean-Philippe Menil
On 06/23/2017 10:43 AM, Jason Wang wrote: On 2017年06月23日 02:53, Michael S. Tsirkin wrote: On Thu, Jun 22, 2017 at 08:15:58AM +0200, jean-philippe menil wrote: 2017-06-06 1:52 GMT+02:00 Michael S. Tsirkin : On Mon, Jun 05, 2017 at 05:08:25AM +0300, Michael S. Tsirkin wrote: > On Mon

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-23 Thread Jason Wang
On 2017年06月23日 02:53, Michael S. Tsirkin wrote: On Thu, Jun 22, 2017 at 08:15:58AM +0200, jean-philippe menil wrote: 2017-06-06 1:52 GMT+02:00 Michael S. Tsirkin : On Mon, Jun 05, 2017 at 05:08:25AM +0300, Michael S. Tsirkin wrote: > On Mon, Jun 05, 2017 at 12:48:53AM +0200, Jean-Ph

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-22 Thread Michael S. Tsirkin
On Thu, Jun 22, 2017 at 08:15:58AM +0200, jean-philippe menil wrote: > 2017-06-06 1:52 GMT+02:00 Michael S. Tsirkin : > > On Mon, Jun 05, 2017 at 05:08:25AM +0300, Michael S. Tsirkin wrote: > > On Mon, Jun 05, 2017 at 12:48:53AM +0200, Jean-Philippe Menil wrote: > > > Hi, > > > >

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-22 Thread jean-philippe menil
2017-06-06 1:52 GMT+02:00 Michael S. Tsirkin : > On Mon, Jun 05, 2017 at 05:08:25AM +0300, Michael S. Tsirkin wrote: > > On Mon, Jun 05, 2017 at 12:48:53AM +0200, Jean-Philippe Menil wrote: > > > Hi, > > > > > > while playing with xdp and ebpf, i'm hitting the following: > > > > > > [ 309.993136]

Re: [Qemu-devel] BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-05 Thread Michael S. Tsirkin
On Mon, Jun 05, 2017 at 05:08:25AM +0300, Michael S. Tsirkin wrote: > On Mon, Jun 05, 2017 at 12:48:53AM +0200, Jean-Philippe Menil wrote: > > Hi, > > > > while playing with xdp and ebpf, i'm hitting the following: > > > > [ 309.993136] > > ===