linux-stable/drivers/net/wireguard
Kees Cook 03f61041c1 skbuff: Switch structure bounds to struct_group()
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.

Replace the existing empty member position markers "headers_start" and
"headers_end" with a struct_group(). This will allow memcpy() and sizeof()
to more easily reason about sizes, and improve readability.

"pahole" shows no size nor member offset changes to struct sk_buff.
"objdump -d" shows no object code changes (outside of WARNs affected by
source line number changes).

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com> # drivers/net/wireguard/*
Link: https://lore.kernel.org/lkml/20210728035006.GD35706@embeddedor
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-22 15:13:54 +00:00
..
selftest wireguard: allowedips: free empty intermediate nodes when removing single node 2021-06-04 14:25:14 -07:00
allowedips.c wireguard: allowedips: free empty intermediate nodes when removing single node 2021-06-04 14:25:14 -07:00
allowedips.h wireguard: allowedips: free empty intermediate nodes when removing single node 2021-06-04 14:25:14 -07:00
cookie.c
cookie.h
device.c wireguard: queueing: get rid of per-peer ring buffers 2021-02-23 15:59:34 -08:00
device.h wireguard: queueing: get rid of per-peer ring buffers 2021-02-23 15:59:34 -08:00
main.c wireguard: allowedips: allocate nodes in kmem_cache 2021-06-04 14:25:14 -07:00
Makefile wireguard: do not use -O3 2021-06-04 14:25:14 -07:00
messages.h wireguard: queueing: preserve flow hash across packet scrubbing 2020-05-20 20:55:09 -07:00
netlink.c netlink: consistently use NLA_POLICY_MIN_LEN() 2020-08-18 12:28:45 -07:00
netlink.h
noise.c wireguard: noise: take lock when removing handshake entry from table 2020-09-09 11:31:37 -07:00
noise.h wireguard: noise: separate receive counter from send counter 2020-05-20 20:55:09 -07:00
peer.c wireguard: peer: allocate in kmem_cache 2021-06-04 14:25:14 -07:00
peer.h wireguard: peer: allocate in kmem_cache 2021-06-04 14:25:14 -07:00
peerlookup.c wireguard: peerlookup: take lock before checking hash in replace operation 2020-09-09 11:31:38 -07:00
peerlookup.h
queueing.c wireguard: queueing: get rid of per-peer ring buffers 2021-02-23 15:59:34 -08:00
queueing.h skbuff: Switch structure bounds to struct_group() 2021-11-22 15:13:54 +00:00
ratelimiter.c
ratelimiter.h
receive.c wireguard: queueing: get rid of per-peer ring buffers 2021-02-23 15:59:34 -08:00
send.c wireguard: queueing: get rid of per-peer ring buffers 2021-02-23 15:59:34 -08:00
socket.c wireguard: use synchronize_net rather than synchronize_rcu 2021-06-04 14:25:14 -07:00
socket.h
timers.c
timers.h
version.h