diff --git a/ext/fts5/fts5_index.c b/ext/fts5/fts5_index.c
index 9011b889de..e203bfe2dc 100644
--- a/ext/fts5/fts5_index.c
+++ b/ext/fts5/fts5_index.c
@@ -4833,9 +4833,11 @@ static void fts5DoclistIterInit(
   Fts5DoclistIter *pIter
 ){
   memset(pIter, 0, sizeof(*pIter));
-  pIter->aPoslist = pBuf->p;
-  pIter->aEof = &pBuf->p[pBuf->n];
-  fts5DoclistIterNext(pIter);
+  if( pBuf->n>0 ){
+    pIter->aPoslist = pBuf->p;
+    pIter->aEof = &pBuf->p[pBuf->n];
+    fts5DoclistIterNext(pIter);
+  }
 }
 
 #if 0
diff --git a/manifest b/manifest
index e3b6a4c430..a47168e94c 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sa\sproblem\spreventing\swapptest\sfrom\ssetting\sSQLITE_ENABLE_LOCKING_STYLE\sfor\sOSX\stests.\sAlso\smodify\sthe\s"Sanitize"\sconfiguration\sin\sreleasetest_data.tcl\sto\ssubsume\stest\sitem\s6g.
-D 2021-03-10T10:43:17.298
+C Fix\sa\sfew\ssanitizer\scomplaints\sin\sfts5.
+D 2021-03-10T14:57:10.929
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -119,7 +119,7 @@ F ext/fts5/fts5_buffer.c 5a5fe0159752c0fb0a5a93c722e9db2662822709490769d482b76a6
 F ext/fts5/fts5_config.c be54f44fca491e96c6923a4b9a736f2da2b13811600eb6e38d1bcc91c4ea2e61
 F ext/fts5/fts5_expr.c 016bd06030679bd31b0f07ef87d62c42031e5da25cb3174a84e5b0f6ef4b47b0
 F ext/fts5/fts5_hash.c 1aa93c9b5f461afba66701ee226297dc78402b3bdde81e90a10de5fe3df14959
-F ext/fts5/fts5_index.c 4a8ec31cf07e07e0da1c1a4c97af86ccee26d10cd808357290cf2886a35b078a
+F ext/fts5/fts5_index.c 423a771a526896dcbab2f8c17f437de034c1fd8e1f182bb4f994e78103da6c42
 F ext/fts5/fts5_main.c b4e4931c7fcc9acfa0c3b8b5e5e80b5b424b8d9207aae3a22b674bd35ccf149d
 F ext/fts5/fts5_storage.c 58ba71e6cd3d43a5735815e7956ee167babb4d2cbfe206905174792af4d09d75
 F ext/fts5/fts5_tcl.c 39bcbae507f594aad778172fa914cad0f585bf92fd3b078c686e249282db0d95
@@ -1910,7 +1910,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 959f5c65ea14f4716df61e250e9d5a0d69d602a2a973ad22a364e640162c2983
-R d626d3a5efcce27f8b2b558d85869041
+P f762d7df2a41a88560a4251d744e0887f42812f8160af4f0129d22a71c0fa48b
+R 47aabc330bb603dfa33b94581f692c43
 U dan
-Z 1b9ef75646145da6a8ad40b41fd55ca0
+Z 76b2c0ebf778f1a4d167ebd189e68988
diff --git a/manifest.uuid b/manifest.uuid
index 01ec7c4d1d..f88a3fd75b 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-f762d7df2a41a88560a4251d744e0887f42812f8160af4f0129d22a71c0fa48b
\ No newline at end of file
+4fe4fee00e9294fa384bd073ed8e9a2a4ad10dcf653b6ad4851e44a64443ede9
\ No newline at end of file