diff --git a/src/nxt_conn_write.c b/src/nxt_conn_write.c
index a2a5737b9..de3712596 100644
--- a/src/nxt_conn_write.c
+++ b/src/nxt_conn_write.c
@@ -322,6 +322,7 @@ nxt_event_conn_io_sendbuf(nxt_conn_t *c, nxt_buf_t *b, size_t limit)
     sb.iobuf = iob;
     sb.nmax = NXT_IOBUF_MAX;
     sb.sync = 0;
+    sb.last = 0;
     sb.size = 0;
     sb.limit = limit;
 
diff --git a/src/nxt_event_conn_job_sendfile.c b/src/nxt_event_conn_job_sendfile.c
index 80a292a0b..1ac81903f 100644
--- a/src/nxt_event_conn_job_sendfile.c
+++ b/src/nxt_event_conn_job_sendfile.c
@@ -70,6 +70,7 @@ nxt_event_conn_job_sendfile_start(nxt_task_t *task, void *obj, void *data)
         sb.nmax = 1;
         sb.sync = 0;
         sb.size = 0;
+        sb.last = 0;
         sb.limit = jbs->limit;
 
         if (nxt_sendbuf_mem_coalesce(c->socket.task, &sb) != 0 || !sb.sync) {
diff --git a/src/nxt_linux_sendfile.c b/src/nxt_linux_sendfile.c
index f5a7dccf2..903ca485f 100644
--- a/src/nxt_linux_sendfile.c
+++ b/src/nxt_linux_sendfile.c
@@ -60,6 +60,7 @@ nxt_linux_event_conn_io_sendfile(nxt_event_conn_t *c, nxt_buf_t *b,
     sb.nmax = NXT_IOBUF_MAX;
     sb.sync = 0;
     sb.size = 0;
+    sb.last = 0;
     sb.limit = limit;
 
     niov = nxt_sendbuf_mem_coalesce(c->socket.task, &sb);
diff --git a/src/nxt_php_sapi.c b/src/nxt_php_sapi.c
index 86b869ed5..70ab264d2 100644
--- a/src/nxt_php_sapi.c
+++ b/src/nxt_php_sapi.c
@@ -361,13 +361,16 @@ nxt_php_run(nxt_task_t *task,
     }
 
     nxt_memzero(&run_ctx, sizeof(run_ctx));
-
+  
+    run_ctx.mem_pool = nxt_mp_create(1024, 128, 256, 32);
+    if (nxt_slow_path(run_ctx.mem_pool == NULL)) {
+       return NXT_ERROR;
+    }
+  
     run_ctx.task = task;
     run_ctx.rmsg = rmsg;
     run_ctx.wmsg = wmsg;
-
-    run_ctx.mem_pool = nxt_mp_create(1024, 128, 256, 32);
-
+  
     h = &run_ctx.r.header;
 
     rc = nxt_php_read_request(task, rmsg, &run_ctx);
diff --git a/src/nxt_process_title.c b/src/nxt_process_title.c
index 3c20ac594..6be1ca930 100644
--- a/src/nxt_process_title.c
+++ b/src/nxt_process_title.c
@@ -116,11 +116,6 @@ nxt_process_arguments(nxt_task_t *task, char **orig_argv, char ***orig_envp)
         }
     }
 
-    p = nxt_malloc(strings_size);
-    if (p == NULL) {
-        return;
-    }
-
     if (argv_end == end) {
         /*
          * There is no reason to modify environ if arguments
@@ -130,6 +125,11 @@ nxt_process_arguments(nxt_task_t *task, char **orig_argv, char ***orig_envp)
         goto done;
     }
 
+    p = nxt_malloc(strings_size);
+    if (p == NULL) {
+       goto done;
+    }
+
     end = argv[0];
 
     for (i = 0; argv[i] != NULL; i++) {
@@ -149,7 +149,7 @@ nxt_process_arguments(nxt_task_t *task, char **orig_argv, char ***orig_envp)
 
     env = nxt_malloc(environ_size);
     if (env == NULL) {
-        return;
+       goto done;
     }
 
     /*
@@ -178,6 +178,12 @@ nxt_process_arguments(nxt_task_t *task, char **orig_argv, char ***orig_envp)
     }
 
 done:
+    if (p != NULL) {
+       nxt_free(p);
+    }
+    if (env != NULL) {
+       nxt_free(env);
+    }
 
     /* Preserve space for the trailing zero. */
     end--;
diff --git a/src/nxt_socketpair.c b/src/nxt_socketpair.c
index efa0f4863..ec3bde61c 100644
--- a/src/nxt_socketpair.c
+++ b/src/nxt_socketpair.c
@@ -232,7 +232,8 @@ nxt_recvmsg(nxt_socket_t s, nxt_fd_t *fd, nxt_iobuf_t *iob, nxt_uint_t niob)
     msg.msg_iovlen = niob;
     msg.msg_control = (caddr_t) &cmsg;
     msg.msg_controllen = sizeof(cmsg);
-
+    msg.msg_flags = 0;
+   
     *fd = -1;
 
 #if (NXT_VALGRIND)
diff --git a/src/nxt_time_parse.c b/src/nxt_time_parse.c
index f79c78abf..98d88cf0c 100644
--- a/src/nxt_time_parse.c
+++ b/src/nxt_time_parse.c
@@ -368,8 +368,6 @@ nxt_term_parse(const u_char *p, size_t len, nxt_bool_t seconds)
             if (state == st_first_digit) {
                 return -1;
             }
-
-            state = st_letter;
         }
 
         switch (ch) {