diff -ru binutils-2.37/gas/app.c binutils-2.37_termux/gas/app.c
--- binutils-2.37/gas/app.c	2021-07-08 19:37:19.000000000 +0800
+++ binutils-2.37_termux/gas/app.c	2021-11-08 23:49:37.770000000 +0800
@@ -217,7 +217,7 @@
 static int add_newlines;
 static char *saved_input;
 static size_t saved_input_len;
-static char input_buffer[32 * 1024];
+static char input_buffer[4 * 1024];
 static const char *mri_state;
 static char mri_last_ch;
 
diff -ru binutils-2.37/gas/input-file.c binutils-2.37_termux/gas/input-file.c
--- binutils-2.37/gas/input-file.c	2021-07-08 19:37:19.000000000 +0800
+++ binutils-2.37_termux/gas/input-file.c	2021-11-08 23:49:23.570000000 +0800
@@ -37,7 +37,7 @@
    The caller only asks once what BUFFER_SIZE is, and asks before
    the nature of the input files (if any) is known.  */
 
-#define BUFFER_SIZE (32 * 1024)
+#define BUFFER_SIZE (4 * 1024)
 
 /* We use static data: the data area is not sharable.  */