diff --git a/manifest b/manifest
index 3500b38ef8..ca31c80f3b 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Ensure\sthat\sall\swin32\sAPI\sfunctions\sinvocations\sin\sos_win.c\sare\smade\svia\sthe\sfunction\stable.\sFix\sasan\serror\sin\stest\scode.
-D 2024-12-11T15:30:58.684
+C Fix\sa\sbuffer\soverread\sin\stest\scode.\sAdd\stest\sconfigurations\sfor\sENABLE_SETLK=1\sand\sFOR_WINRT=1\sbuilds\sto\srelease\stesting.
+D 2024-12-12T20:59:32.595
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md e108e1e69ae8e8a59e93c455654b8ac9356a11720d3345df2a4743e9590fb20d
@@ -788,7 +788,7 @@ F src/status.c cb11f8589a6912af2da3bb1ec509a94dd8ef27df4d4c1a97e0bcf2309ece972b
 F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
 F src/tclsqlite.c 90441d3cc16f966a23499d9096a3d2d971e5e8fddb4d1413b096b79c2b2cff07
 F src/tclsqlite.h 65e2c761446e1c9fa0342b7d2612a703483643c8b6a316d12a65b745a4727395
-F src/test1.c 04f44c6f87d3c5ee0a07775601625c319835ef35ab5060d02bbe25e0ec996615
+F src/test1.c 6c48aad3b093af9053d27ff0386c870806b2d170a445c1e569df781c4dc2e847
 F src/test2.c 7ebc518e6735939d8979273a6f7b1d9b5702babf059f6ad62499f7f60a9eb9a3
 F src/test3.c e7573aa0f78ee4e070a4bc8c3493941c1aa64d5c66d4825c74c0f055451f432b
 F src/test4.c 13e57ae7ec7a959ee180970aef09deed141252fe9bb07c61054f0dfa4f1dfd5d
@@ -1724,7 +1724,7 @@ F test/temptable3.test d11a0974e52b347e45ee54ef1923c91ed91e4637
 F test/temptrigger.test 38f0ca479b1822d3117069e014daabcaacefffcc
 F test/tester.tcl 2f900e8c912fbbaf381e69a92258fa6023ad0b4c8907e426bebbb4585da23c61
 F test/testrunner.tcl 90ed8b6c2b26dc1f6af08aeb04670a5df86172f3d9828d8af000f972afa50061 x
-F test/testrunner_data.tcl ba4aeea28aa03cfa6fe7e57782ddecb7a7b91c3a0b3251583cb4f0ee002de6a6
+F test/testrunner_data.tcl 1497914126bcf5749aa9b86268bd7636b027f7dcfac8746e7bcb89b97267a81c
 F test/thread001.test a0985c117eab62c0c65526e9fa5d1360dd1cac5b03bde223902763274ce21899
 F test/thread002.test c24c83408e35ba5a952a3638b7ac03ccdf1ce4409289c54a050ac4c5f1de7502
 F test/thread003.test ee4c9efc3b86a6a2767516a37bd64251272560a7
@@ -2202,8 +2202,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 704e6567c14a4a07a1a4d1fc2bd8a7f288b55b27508d23ba7f5c755c830c14ec
-R 1b1d5ac8540859f8a7b2d263d2f24a8d
+P 2ffdc799c63ff8858f2aa9177ca9c74be2df5d7594cb10fb0a233537d83fd563
+R d7d2d15fbad0e5c9c96f44f5f5c65d63
 U dan
-Z 95b5c408908f206ff5d85841ad8872eb
+Z 936045d7cbbb213a4b812b5b26e5263d
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 4ec306133d..d77def4889 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-2ffdc799c63ff8858f2aa9177ca9c74be2df5d7594cb10fb0a233537d83fd563
+b558db5db7e7c9aced1d24d74dc5ee2fab7cd04ec6570247c9c45723eb6f8fc0
diff --git a/src/test1.c b/src/test1.c
index ee99f8dadd..4dcba97cdd 100644
--- a/src/test1.c
+++ b/src/test1.c
@@ -8024,13 +8024,13 @@ static int SQLITE_TCLAPI win32_file_lock(
   pVfs = sqlite3_vfs_find(0);
   x.pFd = (sqlite3_file*)sqlite3_malloc(pVfs->szOsFile);
 
-  /* xOpen() must be passed a dual-nul-terminated string */
+  /* xOpen() must be passed a dual-nul-terminated string preceded in memory
+  ** by 4 0x00 bytes.  */
   zFilename = Tcl_GetStringFromObj(objv[1], &nFilename);
-  zTerm = (char*)sqlite3_malloc(nFilename+2);
-  memcpy(zTerm, zFilename, nFilename);
-  zTerm[nFilename] = 0;
-  zTerm[nFilename+1] = 0;
-  rc = pVfs->xOpen(pVfs, zTerm, x.pFd, flags, &flags);
+  zTerm = (char*)sqlite3_malloc(nFilename+6);
+  memset(zTerm, 0, nFilename+6);
+  memcpy(&zTerm[4], zFilename, nFilename);
+  rc = pVfs->xOpen(pVfs, &zTerm[4], x.pFd, flags, &flags);
   sqlite3_free(zTerm);
 
   if( rc!=SQLITE_OK ){
diff --git a/test/testrunner_data.tcl b/test/testrunner_data.tcl
index 9abfb242da..c749481f51 100644
--- a/test/testrunner_data.tcl
+++ b/test/testrunner_data.tcl
@@ -37,6 +37,7 @@ namespace eval trd {
   set tcltest(win.Windows-Memdebug)       veryquick
   set tcltest(win.Windows-Win32Heap)      veryquick
   set tcltest(win.Windows-Sanitize)       veryquick
+  set tcltest(win.Windows-WinRT)          veryquick
   set tcltest(win.Default)                full
 
   # Extra [make xyz] tests that should be run for various builds.
@@ -353,11 +354,17 @@ namespace eval trd {
   set build(Windows-Win32Heap) {
     WIN32HEAP=1
     DEBUG=4
+    ENABLE_SETLK=1
   }
   set build(Windows-Sanitize) {
     ASAN=1
   }
 
+  set build(Windows-WinRT) {
+    FOR_WINRT=1
+    ENABLE_SETLK=1
+    -DSQLITE_TEMP_STORE=3
+  }
 }