Re: 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: >

Re: 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

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

BUG: KASAN: use-after-free in free_old_xmit_skbs

2017-06-04 Thread Jean-Philippe Menil
Hi, while playing with xdp and ebpf, i'm hitting the following: [ 309.993136] == [ 309.994735] BUG: KASAN: use-after-free in free_old_xmit_skbs.isra.29+0x2b7/0x2e0 [virtio_net] [ 309.998396] Read of size 8 at addr 88006aa6

[BUG] xfrm: unable to handle kernel NULL pointer dereference

2018-11-10 Thread Jean-Philippe Menil
Hi guys, we're seeing unexpected crashes from kernel 4.15 to 4.18.17, using IPsec VTI interfaces, on several vpn hosts, since upgrade from 4.4. Attached, the offended oops against 4.18. Output of decodedecode: [ 37.134864] Code: 8b 44 24 70 0f c8 89 87 b4 00 00 00 48 8b 86 20 05 00 00 8b 80