Filling cmsghdr with 0 to pass Go 1.11 message validation.

This commit is contained in:
Max Romanov
2018-10-02 19:49:49 +03:00
parent c8b30ef4da
commit 141ee2aa32

View File

@@ -2167,9 +2167,12 @@ nxt_unit_send_mmap(nxt_unit_ctx_t *ctx, nxt_unit_port_id_t *port_id, int fd)
msg.mf = 0;
msg.tracking = 0;
#if (NXT_VALGRIND)
/*
* Fill all padding fields with 0.
* Code in Go 1.11 validate cmsghdr using padding field as part of len.
* See Cmsghdr definition and socketControlMessageHeaderAndData function.
*/
memset(&cmsg, 0, sizeof(cmsg));
#endif
cmsg.cm.cmsg_len = CMSG_LEN(sizeof(int));
cmsg.cm.cmsg_level = SOL_SOCKET;
@@ -3001,9 +3004,7 @@ nxt_unit_send_port(nxt_unit_ctx_t *ctx, nxt_unit_port_id_t *dst,
m.new_port.max_size = 16 * 1024;
m.new_port.max_share = 64 * 1024;
#if (NXT_VALGRIND)
memset(&cmsg, 0, sizeof(cmsg));
#endif
cmsg.cm.cmsg_len = CMSG_LEN(sizeof(int));
cmsg.cm.cmsg_level = SOL_SOCKET;