Re: [PATCH] tun: bail out from tun_get_user() if the skb is empty

On Tue, Sep 26, 2017 at 5:02 PM, 'Eric Dumazet' via syzkaller wrote: > On Tue, Sep 26, 2017 at 7:53 AM, Alexander Potapenko > wrote: >> KMSAN (https://github.com/google/kmsan) reported accessing uninitialized >> skb->data[0] in the case the skb is

Re: [PATCH] tun: bail out from tun_get_user() if the skb is empty

On Tue, Sep 26, 2017 at 5:02 PM, 'Eric Dumazet' via syzkaller wrote: > On Tue, Sep 26, 2017 at 7:53 AM, Alexander Potapenko > wrote: >> KMSAN (https://github.com/google/kmsan) reported accessing uninitialized >> skb->data[0] in the case the skb is empty (i.e. skb->len is 0): >> >>

Re: [PATCH] tun: bail out from tun_get_user() if the skb is empty

On Tue, Sep 26, 2017 at 7:53 AM, Alexander Potapenko wrote: > KMSAN (https://github.com/google/kmsan) reported accessing uninitialized > skb->data[0] in the case the skb is empty (i.e. skb->len is 0): > > > BUG: KMSAN: use of

Re: [PATCH] tun: bail out from tun_get_user() if the skb is empty

On Tue, Sep 26, 2017 at 7:53 AM, Alexander Potapenko wrote: > KMSAN (https://github.com/google/kmsan) reported accessing uninitialized > skb->data[0] in the case the skb is empty (i.e. skb->len is 0): > > > BUG: KMSAN: use of uninitialized memory

[PATCH] tun: bail out from tun_get_user() if the skb is empty

KMSAN (https://github.com/google/kmsan) reported accessing uninitialized skb->data[0] in the case the skb is empty (i.e. skb->len is 0): BUG: KMSAN: use of uninitialized memory in tun_get_user+0x19ba/0x3770 CPU: 0 PID: 3051 Comm: probe Not tainted

[PATCH] tun: bail out from tun_get_user() if the skb is empty

KMSAN (https://github.com/google/kmsan) reported accessing uninitialized skb->data[0] in the case the skb is empty (i.e. skb->len is 0): BUG: KMSAN: use of uninitialized memory in tun_get_user+0x19ba/0x3770 CPU: 0 PID: 3051 Comm: probe Not tainted