From: Eric Dumazet
Date: Wed, 2 Oct 2019 20:19:59 -0700
> Apparently a refactoring patch brought a bug, that was caught
> by syzbot [1]
>
> Original code was correct, do not try to be smarter than the
> compiler :/
>
> [1]
...
> Fixes: d8e18a516f8f ("net: Use skb accessors in network core")
>
On 10/3/19 2:46 AM, Matthew Wilcox wrote:
> On Wed, Oct 02, 2019 at 08:19:59PM -0700, Eric Dumazet wrote:
>> Apparently a refactoring patch brought a bug, that was caught
>> by syzbot [1]
>
> That wasn't refactoring. As you know (because we talked about it at
> LSFMM), this is an enabling patc
On Wed, Oct 02, 2019 at 08:19:59PM -0700, Eric Dumazet wrote:
> Apparently a refactoring patch brought a bug, that was caught
> by syzbot [1]
That wasn't refactoring. As you know (because we talked about it at
LSFMM), this is an enabling patch for supporting hch's work to fix
get_user_pages().
>
Apparently a refactoring patch brought a bug, that was caught
by syzbot [1]
Original code was correct, do not try to be smarter than the
compiler :/
[1]
BUG: KASAN: slab-out-of-bounds in tcp_zerocopy_receive net/ipv4/tcp.c:1807
[inline]
BUG: KASAN: slab-out-of-bounds in do_tcp_getsockopt.isra.0+
