lkml.org 
[lkml]   [2018]   [May]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH bpf 1/2] bpf: fix alignment of netns_dev/netns_ino fields in bpf_{map,prog}_info
On Sun, May 27, 2018 at 01:28:42PM +0200, Eugene Syromiatnikov wrote:
> Recent introduction of netns_dev/netns_ino to bpf_map_info/bpf_prog info
> has broken compat, as offsets of these fields are different in 32-bit
> and 64-bit ABIs. One fix (other than implementing compat support in
> syscall in order to handle this discrepancy) is to use __aligned_u64
> instead of __u64 for these fields.
>
> Reported-by: Dmitry V. Levin <ldv@altlinux.org>
> Fixes: 52775b33bb507 ("bpf: offload: report device information about
> offloaded maps")
> Fixes: 675fc275a3a2d ("bpf: offload: report device information for
> offloaded programs")

Reviewed-by: "Dmitry V. Levin" <ldv@altlinux.org>
Cc: <stable@vger.kernel.org> # v4.16+

Thanks,


--
ldv
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2018-05-30 20:20    [W:0.081 / U:0.452 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site