diff --git a/libc/sock/poll-metal.c b/libc/calls/poll-metal.c
similarity index 100%
rename from libc/sock/poll-metal.c
rename to libc/calls/poll-metal.c
diff --git a/libc/sock/poll-nt.c b/libc/calls/poll-nt.c
similarity index 99%
rename from libc/sock/poll-nt.c
rename to libc/calls/poll-nt.c
index 828de7a7d..9ea871b65 100644
--- a/libc/sock/poll-nt.c
+++ b/libc/calls/poll-nt.c
@@ -39,7 +39,6 @@
 #include "libc/nt/winsock.h"
 #include "libc/sock/internal.h"
 #include "libc/sock/ntstdin.internal.h"
-#include "libc/sock/yoink.inc"
 #include "libc/sysv/consts/o.h"
 #include "libc/sysv/consts/poll.h"
 #include "libc/sysv/consts/sig.h"
diff --git a/libc/sock/poll.c b/libc/calls/poll.c
similarity index 100%
rename from libc/sock/poll.c
rename to libc/calls/poll.c
diff --git a/libc/sock/winsockerr.c b/libc/calls/winsockerr.c
similarity index 100%
rename from libc/sock/winsockerr.c
rename to libc/calls/winsockerr.c
diff --git a/libc/nexgen32e/x86gradenames.c b/libc/intrin/x86gradenames.c
similarity index 100%
rename from libc/nexgen32e/x86gradenames.c
rename to libc/intrin/x86gradenames.c
diff --git a/libc/nexgen32e/x86marchnames.c b/libc/intrin/x86marchnames.c
similarity index 100%
rename from libc/nexgen32e/x86marchnames.c
rename to libc/intrin/x86marchnames.c
diff --git a/libc/sock/printargs.greg.c b/libc/runtime/printargs.greg.c
similarity index 100%
rename from libc/sock/printargs.greg.c
rename to libc/runtime/printargs.greg.c
diff --git a/tool/net/demo/crashreport.lua b/tool/net/demo/crashreport.lua
new file mode 100644
index 000000000..d5f1221f9
--- /dev/null
+++ b/tool/net/demo/crashreport.lua
@@ -0,0 +1,24 @@
+globalvar1 = 31337
+
+globalvar2 = {
+   'hello': 'world',
+}
+
+function dosomething(param1, x)
+   local res, y = 0
+   SetStatus(200)
+   SetHeader('Content-Type', 'text/plain; charset=utf-8')
+   Write('preprae to crash... now\r\n')
+   res = x / y
+   Write(string.format('42 / 0 is %d\r\n', res)
+end
+
+function start(param1)
+   local x = 42
+   dosomething(s, x)
+end
+
+function main()
+   local s = 'hello'
+   start(s)
+end
diff --git a/tool/net/net.mk b/tool/net/net.mk
index 995893f40..46342feaf 100644
--- a/tool/net/net.mk
+++ b/tool/net/net.mk
@@ -174,6 +174,7 @@ o/$(MODE)/tool/net/demo/hello.lua.zip.o						\
 o/$(MODE)/tool/net/demo/maxmind.lua.zip.o					\
 o/$(MODE)/tool/net/demo/redbean.lua.zip.o					\
 o/$(MODE)/tool/net/demo/opensource.lua.zip.o					\
+o/$(MODE)/tool/net/demo/crashreport.lua.zip.o					\
 o/$(MODE)/tool/net/demo/closedsource.lua.zip.o					\
 o/$(MODE)/tool/net/demo/printpayload.lua.zip.o					\
 o/$(MODE)/tool/net/demo/redbean-form.lua.zip.o					\
@@ -215,6 +216,7 @@ o/$(MODE)/tool/net/redbean-demo.com.dbg:					\
 		o/$(MODE)/tool/net/demo/redbean.lua.zip.o			\
 		o/$(MODE)/tool/net/demo/maxmind.lua.zip.o			\
 		o/$(MODE)/tool/net/demo/opensource.lua.zip.o			\
+		o/$(MODE)/tool/net/demo/crashreport.lua.zip.o			\
 		o/$(MODE)/tool/net/demo/closedsource.lua.zip.o			\
 		o/$(MODE)/tool/net/demo/printpayload.lua.zip.o			\
 		o/$(MODE)/tool/net/demo/redbean-form.lua.zip.o			\