diff options
| author | Kees Cook <keescook@chromium.org> | 2021-06-21 15:21:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-22 10:20:51 -0700 |
| commit | f2fcffe392c1fd8324f131bf33d7d350eff44bb6 (patch) | |
| tree | fb85680aff5b1a0069ef6d1ce0bc5974776fe449 /drivers/net/hyperv/hyperv_net.h | |
| parent | 64a81b24487f0d2fba0f033029eec2abc7d82cee (diff) | |
| download | linux-f2fcffe392c1fd8324f131bf33d7d350eff44bb6.tar.bz2 | |
hv_netvsc: Avoid field-overflowing memcpy()
In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memcpy(), memmove(), and memset(), avoid
intentionally writing across neighboring fields.
Add flexible array to represent start of buf_info, improving readability
and avoid future warning where memcpy() thinks it is writing past the
end of the structure.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv/hyperv_net.h')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 442c520ab8f3..9e5eee44f7d3 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -1163,6 +1163,7 @@ struct rndis_set_request { u32 info_buflen; u32 info_buf_offset; u32 dev_vc_handle; + u8 info_buf[]; }; /* Response to NdisSetRequest */ |