Import wiredtiger: 3eb27a0940672c1391d86eccf79c397fd35349ba from branch mongodb-5.2

ref: 191e1c26eb..3eb27a0940
for: 5.2.0-rc5

WT-8645       Fix v4 toolchain sanitizer errors

3 files changed, 24 insertions, 14 deletions

diff --git a/src/third_party/wiredtiger/import.data b/src/third_party/wiredtiger/import.data
index 2c795d7072f..9cff9401cfd 100644
--- a/src/third_party/wiredtiger/import.data
+++ b/src/third_party/wiredtiger/import.data
@@ -2,5 +2,5 @@
     "vendor": "wiredtiger",
     "github": "wiredtiger/wiredtiger.git",
     "branch": "mongodb-5.2",
-    "commit": "191e1c26eb8f64b372504744d0a9da621664f125"
+    "commit": "3eb27a0940672c1391d86eccf79c397fd35349ba"
 }
diff --git a/src/third_party/wiredtiger/src/cursor/cur_table.c b/src/third_party/wiredtiger/src/cursor/cur_table.c
index 68776b18ba3..e95c1a5e4ae 100644
--- a/src/third_party/wiredtiger/src/cursor/cur_table.c
+++ b/src/third_party/wiredtiger/src/cursor/cur_table.c
@@ -731,8 +731,8 @@ __wt_table_range_truncate(WT_CURSOR_TABLE *start, WT_CURSOR_TABLE *stop)
 
     ctable = (start != NULL) ? start : stop;
     session = CUR2S(ctable);
-    wt_start = &start->iface;
-    wt_stop = &stop->iface;
+    wt_start = start == NULL ? NULL : &start->iface;
+    wt_stop = stop == NULL ? NULL : &stop->iface;
 
     /* Open any indices. */
     WT_RET(__curtable_open_indices(ctable));
diff --git a/src/third_party/wiredtiger/src/schema/schema_project.c b/src/third_party/wiredtiger/src/schema/schema_project.c
index 1448c840d0d..742b808f22e 100644
--- a/src/third_party/wiredtiger/src/schema/schema_project.c
+++ b/src/third_party/wiredtiger/src/schema/schema_project.c
@@ -251,8 +251,9 @@ __wt_schema_project_slice(WT_SESSION_IMPL *session, WT_CURSOR **cp, const char *
             } else
                 WT_RET(__pack_init(session, &pack, c->key_format));
             buf = &c->key;
-            p = (uint8_t *)buf->data;
-            end = p + buf->size;
+            end = p = (uint8_t *)buf->data;
+            if (end != NULL)
+                end += buf->size;
             continue;
 
         case WT_PROJ_VALUE:
@@ -262,8 +263,9 @@ __wt_schema_project_slice(WT_SESSION_IMPL *session, WT_CURSOR **cp, const char *
             c = cp[arg];
             WT_RET(__pack_init(session, &pack, c->value_format));
             buf = &c->value;
-            p = (uint8_t *)buf->data;
-            end = p + buf->size;
+            end = p = (uint8_t *)buf->data;
+            if (end != NULL)
+                end += buf->size;
             continue;
         }
 
@@ -336,13 +338,21 @@ __wt_schema_project_slice(WT_SESSION_IMPL *session, WT_CURSOR **cp, const char *
                  */
                 if (len > old_len)
                     WT_RET(__wt_buf_grow(session, buf, buf->size + len - old_len));
-                p = (uint8_t *)buf->data + offset;
-                /* Make room if we're inserting out-of-order. */
-                if (offset + old_len < buf->size)
-                    memmove(p + len, p + old_len, buf->size - (offset + old_len));
-                WT_RET(__pack_write(session, &pv, &p, len));
-                buf->size += len - old_len;
-                end = (uint8_t *)buf->data + buf->size;
+
+                /*
+                 * The data reference should not be NULL, but static analyzers complain there's a
+                 * path to passing a NULL to memmove.
+                 */
+                end = p = (uint8_t *)buf->data;
+                if (p != NULL) {
+                    p += offset;
+                    /* Make room if we're inserting out-of-order. */
+                    if (offset + old_len < buf->size)
+                        memmove(p + len, p + old_len, buf->size - (offset + old_len));
+                    WT_RET(__pack_write(session, &pv, &p, len));
+                    buf->size += len - old_len;
+                    end = (uint8_t *)buf->data + buf->size;
+                }
                 break;
             default:
                 WT_RET_MSG(session, EINVAL, "unexpected projection plan: %c", (int)*proj);