diff --git a/pkg/building/boards.go b/pkg/building/boards.go
index fd64d349..ac8233c4 100644
--- a/pkg/building/boards.go
+++ b/pkg/building/boards.go
@@ -282,19 +282,22 @@ func BuildBoardPages(board *gcsql.Board) error {
 func BuildBoards(verbose bool, which ...int) error {
 	var boards []gcsql.Board
 	var err error
+	errEv := gcutil.LogError(nil)
+	defer errEv.Discard()
 
 	if which == nil {
 		boards, err = gcsql.GetAllBoards(false)
 		if err != nil {
+			errEv.Err(err).Caller().Send()
 			return err
 		}
 	} else {
 		for _, boardID := range which {
 			board, err := gcsql.GetBoardFromID(boardID)
 			if err != nil {
-				gcutil.LogError(err).
+				errEv.Err(err).Caller().
 					Int("boardid", boardID).
-					Caller().Msg("Unable to get board information")
+					Msg("Unable to get board information")
 				return fmt.Errorf("unable to get board information (ID: %d): %s", boardID, err.Error())
 			}
 			boards = append(boards, *board)
@@ -314,6 +317,7 @@ func BuildBoards(verbose bool, which ...int) error {
 				gcutil.LogInfo().Str("board", board.Dir).
 					Msg("Built board successfully")
 			} else if err == nil {
+				gcutil.LogError(err).Caller().Str("board", board.Dir).Msg("Unable to build board")
 				err = tmpErr
 			}
 			wg.Done()
diff --git a/pkg/building/posts.go b/pkg/building/posts.go
index 4d6c8850..786afccf 100644
--- a/pkg/building/posts.go
+++ b/pkg/building/posts.go
@@ -1,6 +1,7 @@
 package building
 
 import (
+	"context"
 	"fmt"
 	"html/template"
 	"net"
@@ -128,18 +129,21 @@ func (p *Post) Stickied() bool {
 }
 
 func QueryPosts(query string, params []any, cb func(*Post) error) error {
-	rows, err := gcsql.QuerySQL(query, params...)
+	sqlCfg := config.GetSQLConfig()
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(sqlCfg.DBTimeoutSeconds)*time.Second)
+	defer cancel()
+
+	rows, err := gcsql.QueryContextSQL(ctx, nil, query, params...)
 	if err != nil {
 		return err
 	}
 	defer rows.Close()
-	dbType := config.GetSystemCriticalConfig().DBtype
 
 	for rows.Next() {
 		var post Post
 		dest := []any{&post.ID, &post.thread.ID}
 		var ip string
-		if dbType == "mysql" {
+		if sqlCfg.DBtype == "mysql" {
 			dest = append(dest, &post.IP)
 		} else {
 			dest = append(dest, &ip)
@@ -155,7 +159,7 @@ func QueryPosts(query string, params []any, cb func(*Post) error) error {
 		if err = rows.Scan(dest...); err != nil {
 			return err
 		}
-		if dbType != "mysql" {
+		if sqlCfg.DBtype != "mysql" {
 			post.IP = net.ParseIP(ip)
 			if post.IP == nil {
 				return fmt.Errorf("invalid IP address %q", ip)
diff --git a/pkg/gcsql/bans.go b/pkg/gcsql/bans.go
index bfceeca2..b57d2565 100644
--- a/pkg/gcsql/bans.go
+++ b/pkg/gcsql/bans.go
@@ -238,6 +238,7 @@ func NewNameBan(name string, isRegex bool, boardID int, staffID int, staffNote s
 	if err != nil {
 		return nil, err
 	}
+	defer stmt.Close()
 	if _, err = stmt.Exec(ban.BoardID, staffID, staffNote, name, isRegex); err != nil {
 		return nil, err
 	}
@@ -252,7 +253,7 @@ func NewNameBan(name string, isRegex bool, boardID int, staffID int, staffNote s
 	ban.StaffNote = staffNote
 	ban.Username = name
 	ban.IsRegex = isRegex
-	return &ban, nil
+	return &ban, stmt.Close()
 }
 
 func GetNameBans(boardID int, limit int) ([]UsernameBan, error) {
@@ -373,6 +374,7 @@ func NewFilenameBan(filename string, isRegex bool, boardID int, staffID int, sta
 	if err != nil {
 		return nil, err
 	}
+	defer stmt.Close()
 	if _, err = stmt.Exec(ban.BoardID, staffID, staffNote, filename, isRegex); err != nil {
 		return nil, err
 	}
@@ -387,7 +389,7 @@ func NewFilenameBan(filename string, isRegex bool, boardID int, staffID int, sta
 	ban.StaffNote = staffNote
 	ban.Filename = filename
 	ban.IsRegex = isRegex
-	return &ban, nil
+	return &ban, stmt.Close()
 }
 
 func (ub filenameOrUsernameBanBase) IsGlobalBan() bool {
@@ -498,6 +500,7 @@ func NewFileChecksumBan(checksum string, fingerprinter string, boardID int, staf
 	if err != nil {
 		return nil, err
 	}
+	defer stmt.Close()
 	if _, err = stmt.Exec(
 		ban.BoardID, staffID, staffNote, checksum, fingerprinter, banIP, banReason,
 	); err != nil {
@@ -512,7 +515,7 @@ func NewFileChecksumBan(checksum string, fingerprinter string, boardID int, staf
 	ban.StaffID = staffID
 	ban.StaffNote = staffNote
 	ban.Checksum = checksum
-	return &ban, nil
+	return &ban, stmt.Close()
 }
 
 func (fb *FileBan) IsGlobalBan() bool {
diff --git a/pkg/gcsql/boards.go b/pkg/gcsql/boards.go
index bb701da6..46ddf82c 100644
--- a/pkg/gcsql/boards.go
+++ b/pkg/gcsql/boards.go
@@ -65,6 +65,8 @@ func GetAllBoards(onlyNonHidden bool) ([]Board, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer rows.Close()
+
 	var boards []Board
 	for rows.Next() {
 		var board Board
@@ -75,7 +77,6 @@ func GetAllBoards(onlyNonHidden bool) ([]Board, error) {
 			&board.MaxMessageLength, &board.MinMessageLength, &board.AllowEmbeds, &board.RedirectToThread, &board.RequireFile,
 			&board.EnableCatalog,
 		); err != nil {
-			rows.Close()
 			return nil, err
 		}
 		boards = append(boards, board)
diff --git a/pkg/gcsql/database.go b/pkg/gcsql/database.go
index 8224ee04..6d602b0e 100644
--- a/pkg/gcsql/database.go
+++ b/pkg/gcsql/database.go
@@ -129,9 +129,9 @@ func (db *GCDB) ExecSQL(query string, values ...any) (sql.Result, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer stmt.Close()
 	result, err := stmt.Exec(values...)
 	if err != nil {
-		stmt.Close()
 		return nil, err
 	}
 	return result, stmt.Close()
@@ -154,9 +154,10 @@ func (db *GCDB) ExecContextSQL(ctx context.Context, tx *sql.Tx, sqlStr string, v
 	if err != nil {
 		return nil, err
 	}
+	defer stmt.Close()
+
 	result, err := stmt.ExecContext(ctx, values...)
 	if err != nil {
-		stmt.Close()
 		return nil, err
 	}
 	return result, stmt.Close()
@@ -180,7 +181,12 @@ func (db *GCDB) ExecTxSQL(tx *sql.Tx, query string, values ...any) (sql.Result,
 	if err != nil {
 		return nil, err
 	}
-	return stmt.Exec(values...)
+	defer stmt.Close()
+	res, err := stmt.Exec(values...)
+	if err != nil {
+		return res, err
+	}
+	return res, stmt.Close()
 }
 
 /*
@@ -240,8 +246,9 @@ func (db *GCDB) QueryRowContextSQL(ctx context.Context, tx *sql.Tx, query string
 	if err != nil {
 		return err
 	}
+	defer stmt.Close()
+
 	if err = stmt.QueryRowContext(ctx, values...).Scan(out...); err != nil {
-		stmt.Close()
 		return err
 	}
 	return stmt.Close()
@@ -268,8 +275,9 @@ func (db *GCDB) QueryRowTxSQL(tx *sql.Tx, query string, values, out []any) error
 	if err != nil {
 		return err
 	}
+	defer stmt.Close()
+
 	if err = stmt.QueryRow(values...).Scan(out...); err != nil {
-		stmt.Close()
 		return err
 	}
 	return stmt.Close()
@@ -314,7 +322,13 @@ func (db *GCDB) QueryContextSQL(ctx context.Context, tx *sql.Tx, query string, a
 	if err != nil {
 		return nil, err
 	}
-	return stmt.QueryContext(ctx, a...)
+	defer stmt.Close()
+
+	rows, err := stmt.QueryContext(ctx, a...)
+	if err != nil {
+		return rows, err
+	}
+	return rows, stmt.Close()
 }
 
 /*
diff --git a/pkg/gcsql/posts.go b/pkg/gcsql/posts.go
index 59737388..d452cba0 100644
--- a/pkg/gcsql/posts.go
+++ b/pkg/gcsql/posts.go
@@ -384,6 +384,8 @@ func (p *Post) Insert(bumpThread bool, boardID int, locked bool, stickied bool,
 	if err != nil {
 		return err
 	}
+	defer stmt.Close()
+
 	if _, err = stmt.Exec(
 		p.ThreadID, p.IsTopPost, p.IP, p.Name, p.Tripcode, p.IsRoleSignature, p.Email, p.Subject,
 		p.Message, p.MessageRaw, p.Password, p.Flag, p.Country,
@@ -398,11 +400,19 @@ func (p *Post) Insert(bumpThread bool, boardID int, locked bool, stickied bool,
 		if err != nil {
 			return err
 		}
+		defer stmt2.Close()
+
 		if _, err = stmt2.Exec(p.ThreadID); err != nil {
 			return err
 		}
+		if err = stmt2.Close(); err != nil {
+			return err
+		}
 	}
-	return tx.Commit()
+	if err = tx.Commit(); err != nil {
+		return err
+	}
+	return stmt.Close()
 }
 
 func (p *Post) WebPath() string {
diff --git a/pkg/gcsql/uploads.go b/pkg/gcsql/uploads.go
index 6b9944f3..88679666 100644
--- a/pkg/gcsql/uploads.go
+++ b/pkg/gcsql/uploads.go
@@ -68,6 +68,7 @@ func (p *Post) AttachFile(upload *Upload) error {
 	if err != nil {
 		return err
 	}
+	defer stmt.Close()
 
 	if upload.FileOrder < 1 {
 		upload.FileOrder, err = p.nextFileOrder()
@@ -85,7 +86,10 @@ func (p *Post) AttachFile(upload *Upload) error {
 	if upload.ID, err = getLatestID("DBPREFIXfiles", tx); err != nil {
 		return err
 	}
-	return tx.Commit()
+	if err = tx.Commit(); err != nil {
+		return err
+	}
+	return stmt.Close()
 }
 
 // GetUploadFilenameAndBoard returns the filename (or an empty string) and
diff --git a/pkg/gcsql/util.go b/pkg/gcsql/util.go
index 5dfc0a26..32366900 100644
--- a/pkg/gcsql/util.go
+++ b/pkg/gcsql/util.go
@@ -143,7 +143,12 @@ func ExecTxSQL(tx *sql.Tx, sqlStr string, values ...any) (sql.Result, error) {
 	if err != nil {
 		return nil, err
 	}
-	return stmt.Exec(values...)
+	defer stmt.Close()
+	res, err := stmt.Exec(values...)
+	if err != nil {
+		return res, err
+	}
+	return res, stmt.Close()
 }
 
 /*
@@ -271,7 +276,13 @@ func QueryTxSQL(tx *sql.Tx, query string, a ...any) (*sql.Rows, error) {
 	if err != nil {
 		return nil, err
 	}
-	return stmt.Query(a...)
+	defer stmt.Close()
+
+	rows, err := stmt.Query(a...)
+	if err != nil {
+		return rows, err
+	}
+	return rows, stmt.Close()
 }
 
 func ParseSQLTimeString(str string) (time.Time, error) {
@@ -294,7 +305,11 @@ func getLatestID(tableName string, tx *sql.Tx) (id int, err error) {
 		if err != nil {
 			return 0, err
 		}
-		err = stmt.QueryRow().Scan(&id)
+		defer stmt.Close()
+		if err = stmt.QueryRow().Scan(&id); err != nil {
+			return
+		}
+		err = stmt.Close()
 	} else {
 		err = QueryRowSQL(query, nil, []any{&id})
 	}
diff --git a/pkg/gcsql/util_test.go b/pkg/gcsql/util_test.go
index 2af87837..d1b7ebb1 100644
--- a/pkg/gcsql/util_test.go
+++ b/pkg/gcsql/util_test.go
@@ -75,10 +75,15 @@ func tcPrepareContextSQL(t *testing.T, mock sqlmock.Sqlmock, tC *testCase[prepar
 }
 
 func TestPrepareContextSQL(t *testing.T) {
-	_, err := PrepareContextSQL(context.Background(), "", nil)
+	stmt, err := PrepareContextSQL(context.Background(), "", nil)
 	if !assert.Error(t, err) {
 		return
 	}
+	defer func() {
+		if stmt != nil {
+			assert.NoError(t, stmt.Close())
+		}
+	}()
 
 	mock := setupMockDB(t)
 	testCases := []testCase[prepareFunc]{
diff --git a/pkg/manage/actionsModPerm.go b/pkg/manage/actionsModPerm.go
index cb5ff266..846b26c7 100644
--- a/pkg/manage/actionsModPerm.go
+++ b/pkg/manage/actionsModPerm.go
@@ -425,10 +425,9 @@ func reportsCallback(_ http.ResponseWriter, request *http.Request, staff *gcsql.
 		dismissID := gcutil.HackyStringToInt(dismissIDstr)
 		block := request.FormValue("block")
 		if block != "" && staff.Rank != 3 {
-			errEv.
+			errEv.Caller().
 				Int("postID", dismissID).
-				Str("rejected", "not an admin").
-				Caller().Send()
+				Str("rejected", "not an admin").Send()
 			return "", errors.New("only the administrator can block reports")
 		}
 		found, err := gcsql.ClearReport(dismissID, staff.ID, block != "" && staff.Rank == 3)
diff --git a/pkg/manage/announcements.go b/pkg/manage/announcements.go
index d5a5f1fb..cac56f3f 100644
--- a/pkg/manage/announcements.go
+++ b/pkg/manage/announcements.go
@@ -26,6 +26,7 @@ func getAllAnnouncements() ([]announcementWithName, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer rows.Close()
 	var announcements []announcementWithName
 	for rows.Next() {
 		var announcement announcementWithName
diff --git a/pkg/manage/util.go b/pkg/manage/util.go
index 9833c920..eaa9b187 100644
--- a/pkg/manage/util.go
+++ b/pkg/manage/util.go
@@ -77,10 +77,10 @@ func createSession(key, username, password string, request *http.Request, writer
 	})
 
 	if err = staff.CreateLoginSession(key); err != nil {
-		gcutil.LogError(err).
+		errEv.Err(err).Caller().
 			Str("staff", username).
 			Str("sessionKey", key).
-			Caller().Msg("Error creating new staff session")
+			Msg("Error creating new staff session")
 		return ErrUnableToCreateSession
 	}