bpf: allow wide aligned loads for bpf_sock_addr user_ip6 and msg_src_ip6

Add explicit check for u64 loads of user_ip6 and msg_src_ip6 and update the comment.

Stanislav Fomichev committed 7 years ago

Commit d4ecfeb1 parent b4399542 files · +13 −3Browse files

Showing the changes to include/uapi/linux (1 of 2 files). Show all

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@@ -3248,7 +3248,7 @@ struct bpf_sock_addr { · 3247 unmodified lines
3248	__u32 user_ip4; /* Allows 1,2,4-byte read and 4-byte write.	3248	__u32 user_ip4; /* Allows 1,2,4-byte read and 4-byte write.
3249	* Stored in network byte order.	3249	* Stored in network byte order.
3250	*/	3250	*/
3251	__u32 user_ip6[4]; /* Allows 1,2,4-byte read and 4,8-byte write.	3251	__u32 user_ip6[4]; /* Allows 1,2,4,8-byte read and 4,8-byte write.
3252	* Stored in network byte order.	3252	* Stored in network byte order.
3253	*/	3253	*/
3254	__u32 user_port; /* Allows 4-byte read and write.	3254	__u32 user_port; /* Allows 4-byte read and write.
@@ -3260,7 +3260,7 @@ struct bpf_sock_addr { · 5 unmodified lines
3260	__u32 msg_src_ip4; /* Allows 1,2,4-byte read and 4-byte write.	3260	__u32 msg_src_ip4; /* Allows 1,2,4-byte read and 4-byte write.
3261	* Stored in network byte order.	3261	* Stored in network byte order.
3262	*/	3262	*/
3263	__u32 msg_src_ip6[4]; /* Allows 1,2,4-byte read and 4,8-byte write.	3263	__u32 msg_src_ip6[4]; /* Allows 1,2,4,8-byte read and 4,8-byte write.
3264	* Stored in network byte order.	3264	* Stored in network byte order.
3265	*/	3265	*/
3266	__bpf_md_ptr(struct bpf_sock *, sk);	3266	__bpf_md_ptr(struct bpf_sock *, sk);