Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-26 Thread Jason Wang
On 2019/4/26 上午12:04, YueHaibing wrote: On 2019/4/24 20:25, YueHaibing wrote: On 2019/4/24 17:11, Jason Wang wrote: On 2019/4/24 上午12:41, Cong Wang wrote: On Mon, Apr 22, 2019 at 11:42 PM Jason Wang wrote: On 2019/4/23 下午2:00, Cong Wang wrote: On Mon, Apr 22, 2019 at 2:41 AM Jason Wang w

Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-25 Thread YueHaibing
On 2019/4/24 20:25, YueHaibing wrote: > On 2019/4/24 17:11, Jason Wang wrote: >> >> On 2019/4/24 上午12:41, Cong Wang wrote: >>> On Mon, Apr 22, 2019 at 11:42 PM Jason Wang wrote: On 2019/4/23 下午2:00, Cong Wang wrote: > On Mon, Apr 22, 2019 at 2:41 AM Jason Wang wrote: >> On 2019/

Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-24 Thread YueHaibing
On 2019/4/24 17:11, Jason Wang wrote: > > On 2019/4/24 上午12:41, Cong Wang wrote: >> On Mon, Apr 22, 2019 at 11:42 PM Jason Wang wrote: >>> >>> On 2019/4/23 下午2:00, Cong Wang wrote: On Mon, Apr 22, 2019 at 2:41 AM Jason Wang wrote: > On 2019/4/22 上午11:57, YueHaibing wrote: >> We get

Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-24 Thread Jason Wang
On 2019/4/24 上午12:41, Cong Wang wrote: On Mon, Apr 22, 2019 at 11:42 PM Jason Wang wrote: On 2019/4/23 下午2:00, Cong Wang wrote: On Mon, Apr 22, 2019 at 2:41 AM Jason Wang wrote: On 2019/4/22 上午11:57, YueHaibing wrote: We get a KASAN report as below, but don't have any reproducer. Any co

Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-23 Thread Cong Wang
On Mon, Apr 22, 2019 at 11:42 PM Jason Wang wrote: > > > On 2019/4/23 下午2:00, Cong Wang wrote: > > On Mon, Apr 22, 2019 at 2:41 AM Jason Wang wrote: > >> > >> On 2019/4/22 上午11:57, YueHaibing wrote: > >>> We get a KASAN report as below, but don't have any reproducer. > >>> > >>> Any comments are

Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-22 Thread Jason Wang
On 2019/4/23 下午2:00, Cong Wang wrote: On Mon, Apr 22, 2019 at 2:41 AM Jason Wang wrote: On 2019/4/22 上午11:57, YueHaibing wrote: We get a KASAN report as below, but don't have any reproducer. Any comments are appreciated. == B

Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-22 Thread Cong Wang
On Mon, Apr 22, 2019 at 2:41 AM Jason Wang wrote: > > > On 2019/4/22 上午11:57, YueHaibing wrote: > > We get a KASAN report as below, but don't have any reproducer. > > > > Any comments are appreciated. > > > > == > > BUG: KASAN: use-af

Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-22 Thread YueHaibing
On 2019/4/22 17:41, Jason Wang wrote: > > On 2019/4/22 上午11:57, YueHaibing wrote: >> We get a KASAN report as below, but don't have any reproducer. >> >> Any comments are appreciated. >> >> == >> BUG: KASAN: use-after-free in tun_net_

Re: BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-22 Thread Jason Wang
On 2019/4/22 上午11:57, YueHaibing wrote: We get a KASAN report as below, but don't have any reproducer. Any comments are appreciated. == BUG: KASAN: use-after-free in tun_net_xmit+0x1670/0x1750 drivers/net/tun.c:1104 Read of size

BUG: KASAN: use-after-free Read in tun_net_xmit

2019-04-21 Thread YueHaibing
We get a KASAN report as below, but don't have any reproducer. Any comments are appreciated. == BUG: KASAN: use-after-free in tun_net_xmit+0x1670/0x1750 drivers/net/tun.c:1104 Read of size 8 at addr 88836cc26a70 by task swapper/3