On 03/05/2019 06:31 PM, Eric Dumazet wrote:
> Fixes two typos in xsk_diag_put_umem()
>
> syzbot reported the following crash :
>
> kasan: CONFIG_KASAN_INLINE enabled
> kasan: GPF could be caused by NULL-ptr deref or user memory access
> general protection fault: 0000 [#1] PREEMPT SMP KASAN
> CPU: 1 PID: 7641 Comm: syz-executor946 Not tainted 5.0.0-rc7+ #95
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
> RIP: 0010:xsk_diag_put_umem net/xdp/xsk_diag.c:71 [inline]
> RIP: 0010:xsk_diag_fill net/xdp/xsk_diag.c:113 [inline]
> RIP: 0010:xsk_diag_dump+0xdcb/0x13a0 net/xdp/xsk_diag.c:143
[...]
>
> Fixes: a36b38aa2af6 ("xsk: add sock_diag interface for AF_XDP")
> Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
> Reported-by: syzbot <syzkaller@xxxxxxxxxxxxxxxx>
> Cc: Björn Töpel <bjorn.topel@xxxxxxxxx>
> Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
> Cc: Magnus Karlsson <magnus.karlsson@xxxxxxxxx>
Applied, thanks!
