1 files changed, 18 insertions, 0 deletions
diff --git a/src/basic/socket-util.c b/src/basic/socket-util.c
index b35de4dad6..5b76948c06 100644
--- a/src/basic/socket-util.c
+++ b/src/basic/socket-util.c
@@ -1171,6 +1171,24 @@ struct cmsghdr* cmsg_find(struct msghdr *mh, int level, int type, socklen_t leng
         return NULL;
 }
 
+void* cmsg_find_and_copy_data(struct msghdr *mh, int level, int type, void *buf, size_t buf_len) {
+        struct cmsghdr *cmsg;
+
+        assert(mh);
+        assert(buf);
+        assert(buf_len > 0);
+
+        /* This is similar to cmsg_find_data(), but copy the found data to buf. This should be typically used
+         * when reading possibly unaligned data such as timestamp, as time_t is 64bit and size_t is 32bit on
+         * RISCV32. See issue #27241. */
+
+        cmsg = cmsg_find(mh, level, type, CMSG_LEN(buf_len));
+        if (!cmsg)
+                return NULL;
+
+        return memcpy_safe(buf, CMSG_DATA(cmsg), buf_len);
+}
+
 int socket_ioctl_fd(void) {
         int fd;