gt; ; Ying Xue
> ; ma...@donjonn.com; tipc-
> discuss...@lists.sourceforge.net
> Subject: Re: [PATCH net 1/1] tipc: revert use of copy_from_iter_full()
>
> On Thu, Dec 22, 2016 at 02:47:09AM +, Jon Maloy wrote:
>
> > > OK, I see what's going on there - unlike iterate_and_adv
.com; tipc-
> discuss...@lists.sourceforge.net
> Subject: Re: [PATCH net 1/1] tipc: revert use of copy_from_iter_full()
>
> On Thu, Dec 22, 2016 at 01:21:01AM +, Al Viro wrote:
> > On Wed, Dec 21, 2016 at 08:01:37PM -0500, Jon Maloy wrote:
> > > commit cbbd26b8b1a6 ("[iov_i
On Thu, Dec 22, 2016 at 02:47:09AM +, Jon Maloy wrote:
> > OK, I see what's going on there - unlike iterate_and_advance(), which
> > explicitly skips any work in case of empty iterator, iterate_all_kind()
> > does not. Could you check if the following fixes your problem?
>
> Confirmed. The c
On Wed, Dec 21, 2016 at 08:01:37PM -0500, Jon Maloy wrote:
> commit cbbd26b8b1a6 ("[iov_iter] new primitives - copy_from_iter_full()
> and friends") replaced calls to copy_from_iter() in the function
> tipc_msg_build(). This causes a an immediate crash as follows:
Very interesting.
> [ 1209.59707
On Thu, Dec 22, 2016 at 01:21:01AM +, Al Viro wrote:
> On Wed, Dec 21, 2016 at 08:01:37PM -0500, Jon Maloy wrote:
> > commit cbbd26b8b1a6 ("[iov_iter] new primitives - copy_from_iter_full()
> > and friends") replaced calls to copy_from_iter() in the function
> > tipc_msg_build(). This causes a
commit cbbd26b8b1a6 ("[iov_iter] new primitives - copy_from_iter_full()
and friends") replaced calls to copy_from_iter() in the function
tipc_msg_build(). This causes a an immediate crash as follows:
[ 1209.597076] BUG: unable to handle kernel NULL pointer dereference at
0008
[ 1209.6
