diff options
| -rw-r--r-- | src/backend/parser/scan.l | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/parser/scan.l b/src/backend/parser/scan.l index ce2c84fd098..aa8299d69ef 100644 --- a/src/backend/parser/scan.l +++ b/src/backend/parser/scan.l @@ -1428,7 +1428,15 @@ litbuf_udeescape(unsigned char escape, core_yyscan_t yyscanner) } } + /* unfinished surrogate pair? */ + if (pair_first) + { + ADVANCE_YYLLOC(in - litbuf + 3); /* 3 for U&" */ + yyerror("invalid Unicode surrogate pair"); + } + *out = '\0'; + /* * We could skip pg_verifymbstr if we didn't process any non-7-bit-ASCII * codes; but it's probably not worth the trouble, since this isn't |