@ 261102.1

260509.1 · 9d223f153c3632a207fa071caaa6292da33ae361

Reject embedded NUL bytes in module import paths

jq accepts embedded NUL bytes at the language level but resolves module import paths through NUL-terminated C strings, so the path validated by policy or audit code could differ from the on-disk path jq actually opens. Pass jv through gen_import so the AST preserves the original bytes, and reject embedded NULs in validate_relpath.

Fixes CVE-2026-43895.

reading declarations

src/compile.c

@@ -525,13 +525,17 @@ jv block_module_meta(block b) {   return jv_null(); } -block gen_import(const char* name, const char* as, int is_data) {+block gen_import(jv name, jv as, int is_data) {+  assert(jv_get_kind(name) == JV_KIND_STRING);+  assert(!jv_is_valid(as) || jv_get_kind(as) == JV_KIND_STRING);   inst* i = inst_new(DEPS);   jv meta = jv_object();-  if (as != NULL)-    meta = jv_object_set(meta, jv_string("as"), jv_string(as));+  if (jv_is_valid(as))+    meta = jv_object_set(meta, jv_string("as"), as);+  else+    jv_free(as);   meta = jv_object_set(meta, jv_string("is_data"), is_data ? jv_true() : jv_false());-  meta = jv_object_set(meta, jv_string("relpath"), jv_string(name));+  meta = jv_object_set(meta, jv_string("relpath"), name);   i->imm.constant = meta;   return inst_block(i); }

src/compile.h

@@ -33,7 +33,7 @@ block gen_op_pushk_under(jv constant);  block gen_module(block metadata); jv block_module_meta(block b);-block gen_import(const char* name, const char *as, int is_data);+block gen_import(jv name, jv as, int is_data); block gen_import_meta(block import, block metadata); block gen_function(const char* name, block formals, block body); block gen_param_regular(const char* name);

src/linker.c

@@ -93,6 +93,10 @@ static jv build_lib_search_chain(jq_state *jq, jv search_path, jv jq_origin, jv // in between). static jv validate_relpath(jv name) {   const char *s = jv_string_value(name);+  if (strlen(s) != (size_t)jv_string_length_bytes(jv_copy(name))) {+    jv_free(name);+    return jv_invalid_with_msg(jv_string("Module path contains a NUL byte"));+  }   if (strchr(s, '\\')) {     jv res = jv_invalid_with_msg(jv_string_fmt("Modules must be named by relative paths using '/', not '\\' (%s)", s));     jv_free(name);@@ -425,7 +429,7 @@ int load_program(jq_state *jq, struct locfile* src, block *out_block) {   jv home = get_home();   if (jv_is_valid(home)) {     /* Import ~/.jq as a library named "" found in $HOME or %USERPROFILE% */-    block import = gen_import_meta(gen_import("", NULL, 0),+    block import = gen_import_meta(gen_import(jv_string(""), jv_invalid(), 0),         gen_const(JV_OBJECT(             jv_string("optional"), jv_true(),             jv_string("search"), home)));

src/parser.c

@@ -937,19 +937,19 @@ static const yytype_int16 yyrline[] =      325,   328,   331,   337,   340,   343,   349,   352,   355,   358,      361,   364,   367,   370,   373,   376,   379,   382,   385,   388,      391,   394,   397,   400,   403,   406,   409,   412,   415,   421,-     424,   441,   450,   457,   465,   476,   481,   487,   490,   495,-     499,   506,   509,   515,   522,   525,   528,   534,   537,   540,-     546,   549,   552,   560,   564,   567,   570,   573,   576,   579,-     582,   585,   588,   592,   598,   601,   604,   607,   610,   613,-     616,   619,   622,   625,   628,   631,   634,   637,   640,   643,-     646,   649,   652,   655,   658,   661,   664,   671,   674,   677,-     680,   683,   687,   690,   694,   712,   716,   720,   723,   735,-     740,   741,   742,   743,   746,   749,   754,   759,   762,   767,-     770,   775,   779,   782,   787,   790,   795,   798,   803,   806,-     809,   812,   815,   818,   826,   832,   835,   838,   841,   844,-     847,   850,   853,   856,   859,   862,   865,   868,   871,   874,-     877,   880,   883,   889,   892,   895,   900,   903,   906,   909,-     913,   918,   922,   926,   930,   934,   942,   948,   951+     424,   441,   445,   449,   455,   466,   471,   477,   480,   485,+     489,   496,   499,   505,   512,   515,   518,   524,   527,   530,+     536,   539,   542,   550,   554,   557,   560,   563,   566,   569,+     572,   575,   578,   582,   588,   591,   594,   597,   600,   603,+     606,   609,   612,   615,   618,   621,   624,   627,   630,   633,+     636,   639,   642,   645,   648,   651,   654,   661,   664,   667,+     670,   673,   677,   680,   684,   702,   706,   710,   713,   725,+     730,   731,   732,   733,   736,   739,   744,   749,   752,   757,+     760,   765,   769,   772,   777,   780,   785,   788,   793,   796,+     799,   802,   805,   808,   816,   822,   825,   828,   831,   834,+     837,   840,   843,   846,   849,   852,   855,   858,   861,   864,+     867,   870,   873,   879,   882,   885,   890,   893,   896,   899,+     903,   908,   912,   916,   920,   924,   932,   938,   941 }; #endif @@ -2841,42 +2841,32 @@ yyreduce:   case 41: /* ImportWhat: "import" ImportFrom "as" BINDING  */ #line 441 "src/parser.y"                                  {-  jv v = block_const((yyvsp[-2].blk));-  // XXX Make gen_import take only blocks and the int is_data so we-  // don't have to free so much stuff here-  (yyval.blk) = gen_import(jv_string_value(v), jv_string_value((yyvsp[0].literal)), 1);+  (yyval.blk) = gen_import(block_const((yyvsp[-2].blk)), (yyvsp[0].literal), 1);   block_free((yyvsp[-2].blk));-  jv_free((yyvsp[0].literal));-  jv_free(v); }-#line 2853 "src/parser.c"+#line 2848 "src/parser.c"     break;    case 42: /* ImportWhat: "import" ImportFrom "as" IDENT  */-#line 450 "src/parser.y"+#line 445 "src/parser.y"                                {-  jv v = block_const((yyvsp[-2].blk));-  (yyval.blk) = gen_import(jv_string_value(v), jv_string_value((yyvsp[0].literal)), 0);+  (yyval.blk) = gen_import(block_const((yyvsp[-2].blk)), (yyvsp[0].literal), 0);   block_free((yyvsp[-2].blk));-  jv_free((yyvsp[0].literal));-  jv_free(v); }-#line 2865 "src/parser.c"+#line 2857 "src/parser.c"     break;    case 43: /* ImportWhat: "include" ImportFrom  */-#line 457 "src/parser.y"+#line 449 "src/parser.y"                      {-  jv v = block_const((yyvsp[0].blk));-  (yyval.blk) = gen_import(jv_string_value(v), NULL, 0);+  (yyval.blk) = gen_import(block_const((yyvsp[0].blk)), jv_invalid(), 0);   block_free((yyvsp[0].blk));-  jv_free(v); }-#line 2876 "src/parser.c"+#line 2866 "src/parser.c"     break;    case 44: /* ImportFrom: String  */-#line 465 "src/parser.y"+#line 455 "src/parser.y"        {   if (!block_is_const((yyvsp[0].blk))) {     FAIL((yylsp[0]), "Import path must be constant");@@ -2886,152 +2876,152 @@ yyreduce:     (yyval.blk) = (yyvsp[0].blk);   } }-#line 2890 "src/parser.c"+#line 2880 "src/parser.c"     break;    case 45: /* FuncDef: "def" IDENT ':' Query ';'  */-#line 476 "src/parser.y"+#line 466 "src/parser.y"                           {   (yyval.blk) = gen_function(jv_string_value((yyvsp[-3].literal)), gen_noop(), (yyvsp[-1].blk));   jv_free((yyvsp[-3].literal)); }-#line 2899 "src/parser.c"+#line 2889 "src/parser.c"     break;    case 46: /* FuncDef: "def" IDENT '(' Params ')' ':' Query ';'  */-#line 481 "src/parser.y"+#line 471 "src/parser.y"                                          {   (yyval.blk) = gen_function(jv_string_value((yyvsp[-6].literal)), (yyvsp[-4].blk), (yyvsp[-1].blk));   jv_free((yyvsp[-6].literal)); }-#line 2908 "src/parser.c"+#line 2898 "src/parser.c"     break;    case 47: /* Params: Param  */-#line 487 "src/parser.y"+#line 477 "src/parser.y"       {   (yyval.blk) = (yyvsp[0].blk); }-#line 2916 "src/parser.c"+#line 2906 "src/parser.c"     break;    case 48: /* Params: Params ';' Param  */-#line 490 "src/parser.y"+#line 480 "src/parser.y"                  {   (yyval.blk) = BLOCK((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 2924 "src/parser.c"+#line 2914 "src/parser.c"     break;    case 49: /* Param: BINDING  */-#line 495 "src/parser.y"+#line 485 "src/parser.y"         {   (yyval.blk) = gen_param_regular(jv_string_value((yyvsp[0].literal)));   jv_free((yyvsp[0].literal)); }-#line 2933 "src/parser.c"+#line 2923 "src/parser.c"     break;    case 50: /* Param: IDENT  */-#line 499 "src/parser.y"+#line 489 "src/parser.y"       {   (yyval.blk) = gen_param(jv_string_value((yyvsp[0].literal)));   jv_free((yyvsp[0].literal)); }-#line 2942 "src/parser.c"+#line 2932 "src/parser.c"     break;    case 51: /* StringStart: FORMAT QQSTRING_START  */-#line 506 "src/parser.y"+#line 496 "src/parser.y"                       {   (yyval.literal) = (yyvsp[-1].literal); }-#line 2950 "src/parser.c"+#line 2940 "src/parser.c"     break;    case 52: /* StringStart: QQSTRING_START  */-#line 509 "src/parser.y"+#line 499 "src/parser.y"                {   (yyval.literal) = jv_string("text"); }-#line 2958 "src/parser.c"+#line 2948 "src/parser.c"     break;    case 53: /* String: StringStart QQString QQSTRING_END  */-#line 515 "src/parser.y"+#line 505 "src/parser.y"                                   {   (yyval.blk) = (yyvsp[-1].blk);   jv_free((yyvsp[-2].literal)); }-#line 2967 "src/parser.c"+#line 2957 "src/parser.c"     break;    case 54: /* QQString: %empty  */-#line 522 "src/parser.y"+#line 512 "src/parser.y"        {   (yyval.blk) = gen_const(jv_string("")); }-#line 2975 "src/parser.c"+#line 2965 "src/parser.c"     break;    case 55: /* QQString: QQString QQSTRING_TEXT  */-#line 525 "src/parser.y"+#line 515 "src/parser.y"                        {   (yyval.blk) = gen_binop((yyvsp[-1].blk), gen_const((yyvsp[0].literal)), '+'); }-#line 2983 "src/parser.c"+#line 2973 "src/parser.c"     break;    case 56: /* QQString: QQString QQSTRING_INTERP_START Query QQSTRING_INTERP_END  */-#line 528 "src/parser.y"+#line 518 "src/parser.y"                                                          {   (yyval.blk) = gen_binop((yyvsp[-3].blk), gen_format((yyvsp[-1].blk), jv_copy((yyvsp[-4].literal))), '+'); }-#line 2991 "src/parser.c"+#line 2981 "src/parser.c"     break;    case 57: /* ElseBody: "elif" Query "then" Query ElseBody  */-#line 534 "src/parser.y"+#line 524 "src/parser.y"                                    {   (yyval.blk) = gen_cond((yyvsp[-3].blk), (yyvsp[-1].blk), (yyvsp[0].blk)); }-#line 2999 "src/parser.c"+#line 2989 "src/parser.c"     break;    case 58: /* ElseBody: "else" Query "end"  */-#line 537 "src/parser.y"+#line 527 "src/parser.y"                    {   (yyval.blk) = (yyvsp[-1].blk); }-#line 3007 "src/parser.c"+#line 2997 "src/parser.c"     break;    case 59: /* ElseBody: "end"  */-#line 540 "src/parser.y"+#line 530 "src/parser.y"       {   (yyval.blk) = gen_noop(); }-#line 3015 "src/parser.c"+#line 3005 "src/parser.c"     break;    case 60: /* Term: '.'  */-#line 546 "src/parser.y"+#line 536 "src/parser.y"     {   (yyval.blk) = gen_noop(); }-#line 3023 "src/parser.c"+#line 3013 "src/parser.c"     break;    case 61: /* Term: ".."  */-#line 549 "src/parser.y"+#line 539 "src/parser.y"     {   (yyval.blk) = gen_call("recurse", gen_noop()); }-#line 3031 "src/parser.c"+#line 3021 "src/parser.c"     break;    case 62: /* Term: "break" BINDING  */-#line 552 "src/parser.y"+#line 542 "src/parser.y"               {   jv v = jv_string_fmt("*label-%s", jv_string_value((yyvsp[0].literal)));     // impossible symbol   (yyval.blk) = gen_location((yyloc), locations,@@ -3040,279 +3030,279 @@ yyreduce:   jv_free(v);   jv_free((yyvsp[0].literal)); }-#line 3044 "src/parser.c"+#line 3034 "src/parser.c"     break;    case 63: /* Term: "break" error  */-#line 560 "src/parser.y"+#line 550 "src/parser.y"             {   FAIL((yyloc), "break requires a label to break to");   (yyval.blk) = gen_noop(); }-#line 3053 "src/parser.c"+#line 3043 "src/parser.c"     break;    case 64: /* Term: Term FIELD '?'  */-#line 564 "src/parser.y"+#line 554 "src/parser.y"                {   (yyval.blk) = gen_index_opt((yyvsp[-2].blk), gen_const((yyvsp[-1].literal))); }-#line 3061 "src/parser.c"+#line 3051 "src/parser.c"     break;    case 65: /* Term: FIELD '?'  */-#line 567 "src/parser.y"+#line 557 "src/parser.y"           {   (yyval.blk) = gen_index_opt(gen_noop(), gen_const((yyvsp[-1].literal))); }-#line 3069 "src/parser.c"+#line 3059 "src/parser.c"     break;    case 66: /* Term: Term '.' String '?'  */-#line 570 "src/parser.y"+#line 560 "src/parser.y"                     {   (yyval.blk) = gen_index_opt((yyvsp[-3].blk), (yyvsp[-1].blk)); }-#line 3077 "src/parser.c"+#line 3067 "src/parser.c"     break;    case 67: /* Term: '.' String '?'  */-#line 573 "src/parser.y"+#line 563 "src/parser.y"                {   (yyval.blk) = gen_index_opt(gen_noop(), (yyvsp[-1].blk)); }-#line 3085 "src/parser.c"+#line 3075 "src/parser.c"     break;    case 68: /* Term: Term FIELD  */-#line 576 "src/parser.y"+#line 566 "src/parser.y"                         {   (yyval.blk) = gen_index((yyvsp[-1].blk), gen_const((yyvsp[0].literal))); }-#line 3093 "src/parser.c"+#line 3083 "src/parser.c"     break;    case 69: /* Term: FIELD  */-#line 579 "src/parser.y"+#line 569 "src/parser.y"                    {   (yyval.blk) = gen_index(gen_noop(), gen_const((yyvsp[0].literal))); }-#line 3101 "src/parser.c"+#line 3091 "src/parser.c"     break;    case 70: /* Term: Term '.' String  */-#line 582 "src/parser.y"+#line 572 "src/parser.y"                              {   (yyval.blk) = gen_index((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3109 "src/parser.c"+#line 3099 "src/parser.c"     break;    case 71: /* Term: '.' String  */-#line 585 "src/parser.y"+#line 575 "src/parser.y"                         {   (yyval.blk) = gen_index(gen_noop(), (yyvsp[0].blk)); }-#line 3117 "src/parser.c"+#line 3107 "src/parser.c"     break;    case 72: /* Term: '.' error  */-#line 588 "src/parser.y"+#line 578 "src/parser.y"           {   FAIL((yyloc), "try .[\"field\"] instead of .field for unusually named fields");   (yyval.blk) = gen_noop(); }-#line 3126 "src/parser.c"+#line 3116 "src/parser.c"     break;    case 73: /* Term: '.' IDENT error  */-#line 592 "src/parser.y"+#line 582 "src/parser.y"                 {   jv_free((yyvsp[-1].literal));   FAIL((yyloc), "try .[\"field\"] instead of .field for unusually named fields");   (yyval.blk) = gen_noop(); }-#line 3136 "src/parser.c"+#line 3126 "src/parser.c"     break;    case 74: /* Term: Term '[' Query ']' '?'  */-#line 598 "src/parser.y"+#line 588 "src/parser.y"                        {   (yyval.blk) = gen_index_opt((yyvsp[-4].blk), (yyvsp[-2].blk)); }-#line 3144 "src/parser.c"+#line 3134 "src/parser.c"     break;    case 75: /* Term: Term '[' Query ']'  */-#line 601 "src/parser.y"+#line 591 "src/parser.y"                                 {   (yyval.blk) = gen_index((yyvsp[-3].blk), (yyvsp[-1].blk)); }-#line 3152 "src/parser.c"+#line 3142 "src/parser.c"     break;    case 76: /* Term: Term '.' '[' Query ']' '?'  */-#line 604 "src/parser.y"+#line 594 "src/parser.y"                            {   (yyval.blk) = gen_index_opt((yyvsp[-5].blk), (yyvsp[-2].blk)); }-#line 3160 "src/parser.c"+#line 3150 "src/parser.c"     break;    case 77: /* Term: Term '.' '[' Query ']'  */-#line 607 "src/parser.y"+#line 597 "src/parser.y"                                     {   (yyval.blk) = gen_index((yyvsp[-4].blk), (yyvsp[-1].blk)); }-#line 3168 "src/parser.c"+#line 3158 "src/parser.c"     break;    case 78: /* Term: Term '[' ']' '?'  */-#line 610 "src/parser.y"+#line 600 "src/parser.y"                  {   (yyval.blk) = block_join((yyvsp[-3].blk), gen_op_simple(EACH_OPT)); }-#line 3176 "src/parser.c"+#line 3166 "src/parser.c"     break;    case 79: /* Term: Term '[' ']'  */-#line 613 "src/parser.y"+#line 603 "src/parser.y"                           {   (yyval.blk) = block_join((yyvsp[-2].blk), gen_op_simple(EACH)); }-#line 3184 "src/parser.c"+#line 3174 "src/parser.c"     break;    case 80: /* Term: Term '.' '[' ']' '?'  */-#line 616 "src/parser.y"+#line 606 "src/parser.y"                      {   (yyval.blk) = block_join((yyvsp[-4].blk), gen_op_simple(EACH_OPT)); }-#line 3192 "src/parser.c"+#line 3182 "src/parser.c"     break;    case 81: /* Term: Term '.' '[' ']'  */-#line 619 "src/parser.y"+#line 609 "src/parser.y"                               {   (yyval.blk) = block_join((yyvsp[-3].blk), gen_op_simple(EACH)); }-#line 3200 "src/parser.c"+#line 3190 "src/parser.c"     break;    case 82: /* Term: Term '[' Query ':' Query ']' '?'  */-#line 622 "src/parser.y"+#line 612 "src/parser.y"                                  {   (yyval.blk) = gen_slice_index((yyvsp[-6].blk), (yyvsp[-4].blk), (yyvsp[-2].blk), INDEX_OPT); }-#line 3208 "src/parser.c"+#line 3198 "src/parser.c"     break;    case 83: /* Term: Term '[' Query ':' ']' '?'  */-#line 625 "src/parser.y"+#line 615 "src/parser.y"                            {   (yyval.blk) = gen_slice_index((yyvsp[-5].blk), (yyvsp[-3].blk), gen_const(jv_null()), INDEX_OPT); }-#line 3216 "src/parser.c"+#line 3206 "src/parser.c"     break;    case 84: /* Term: Term '[' ':' Query ']' '?'  */-#line 628 "src/parser.y"+#line 618 "src/parser.y"                            {   (yyval.blk) = gen_slice_index((yyvsp[-5].blk), gen_const(jv_null()), (yyvsp[-2].blk), INDEX_OPT); }-#line 3224 "src/parser.c"+#line 3214 "src/parser.c"     break;    case 85: /* Term: Term '[' Query ':' Query ']'  */-#line 631 "src/parser.y"+#line 621 "src/parser.y"                                           {   (yyval.blk) = gen_slice_index((yyvsp[-5].blk), (yyvsp[-3].blk), (yyvsp[-1].blk), INDEX); }-#line 3232 "src/parser.c"+#line 3222 "src/parser.c"     break;    case 86: /* Term: Term '[' Query ':' ']'  */-#line 634 "src/parser.y"+#line 624 "src/parser.y"                                     {   (yyval.blk) = gen_slice_index((yyvsp[-4].blk), (yyvsp[-2].blk), gen_const(jv_null()), INDEX); }-#line 3240 "src/parser.c"+#line 3230 "src/parser.c"     break;    case 87: /* Term: Term '[' ':' Query ']'  */-#line 637 "src/parser.y"+#line 627 "src/parser.y"                                     {   (yyval.blk) = gen_slice_index((yyvsp[-4].blk), gen_const(jv_null()), (yyvsp[-1].blk), INDEX); }-#line 3248 "src/parser.c"+#line 3238 "src/parser.c"     break;    case 88: /* Term: Term '?'  */-#line 640 "src/parser.y"+#line 630 "src/parser.y"          {   (yyval.blk) = gen_try((yyvsp[-1].blk), gen_op_simple(BACKTRACK)); }-#line 3256 "src/parser.c"+#line 3246 "src/parser.c"     break;    case 89: /* Term: LITERAL  */-#line 643 "src/parser.y"+#line 633 "src/parser.y"         {   (yyval.blk) = gen_const((yyvsp[0].literal)); }-#line 3264 "src/parser.c"+#line 3254 "src/parser.c"     break;    case 90: /* Term: String  */-#line 646 "src/parser.y"+#line 636 "src/parser.y"        {   (yyval.blk) = (yyvsp[0].blk); }-#line 3272 "src/parser.c"+#line 3262 "src/parser.c"     break;    case 91: /* Term: FORMAT  */-#line 649 "src/parser.y"+#line 639 "src/parser.y"        {   (yyval.blk) = gen_format(gen_noop(), (yyvsp[0].literal)); }-#line 3280 "src/parser.c"+#line 3270 "src/parser.c"     break;    case 92: /* Term: '-' Term  */-#line 652 "src/parser.y"+#line 642 "src/parser.y"          {   (yyval.blk) = BLOCK((yyvsp[0].blk), gen_call("_negate", gen_noop())); }-#line 3288 "src/parser.c"+#line 3278 "src/parser.c"     break;    case 93: /* Term: '(' Query ')'  */-#line 655 "src/parser.y"+#line 645 "src/parser.y"               {   (yyval.blk) = (yyvsp[-1].blk); }-#line 3296 "src/parser.c"+#line 3286 "src/parser.c"     break;    case 94: /* Term: '[' Query ']'  */-#line 658 "src/parser.y"+#line 648 "src/parser.y"               {   (yyval.blk) = gen_collect((yyvsp[-1].blk)); }-#line 3304 "src/parser.c"+#line 3294 "src/parser.c"     break;    case 95: /* Term: '[' ']'  */-#line 661 "src/parser.y"+#line 651 "src/parser.y"         {   (yyval.blk) = gen_const(jv_array()); }-#line 3312 "src/parser.c"+#line 3302 "src/parser.c"     break;    case 96: /* Term: '{' DictPairs '}'  */-#line 664 "src/parser.y"+#line 654 "src/parser.y"                   {   block o = gen_const_object((yyvsp[-1].blk));   if (o.first != NULL)@@ -3320,103 +3310,103 @@ yyreduce:   else     (yyval.blk) = BLOCK(gen_subexp(gen_const(jv_object())), (yyvsp[-1].blk), gen_op_simple(POP)); }-#line 3324 "src/parser.c"+#line 3314 "src/parser.c"     break;    case 97: /* Term: "reduce" Expr "as" Patterns '(' Query ';' Query ')'  */-#line 671 "src/parser.y"+#line 661 "src/parser.y"                                                     {   (yyval.blk) = gen_reduce((yyvsp[-7].blk), (yyvsp[-5].blk), (yyvsp[-3].blk), (yyvsp[-1].blk)); }-#line 3332 "src/parser.c"+#line 3322 "src/parser.c"     break;    case 98: /* Term: "foreach" Expr "as" Patterns '(' Query ';' Query ';' Query ')'  */-#line 674 "src/parser.y"+#line 664 "src/parser.y"                                                                {   (yyval.blk) = gen_foreach((yyvsp[-9].blk), (yyvsp[-7].blk), (yyvsp[-5].blk), (yyvsp[-3].blk), (yyvsp[-1].blk)); }-#line 3340 "src/parser.c"+#line 3330 "src/parser.c"     break;    case 99: /* Term: "foreach" Expr "as" Patterns '(' Query ';' Query ')'  */-#line 677 "src/parser.y"+#line 667 "src/parser.y"                                                      {   (yyval.blk) = gen_foreach((yyvsp[-7].blk), (yyvsp[-5].blk), (yyvsp[-3].blk), (yyvsp[-1].blk), gen_noop()); }-#line 3348 "src/parser.c"+#line 3338 "src/parser.c"     break;    case 100: /* Term: "if" Query "then" Query ElseBody  */-#line 680 "src/parser.y"+#line 670 "src/parser.y"                                  {   (yyval.blk) = gen_cond((yyvsp[-3].blk), (yyvsp[-1].blk), (yyvsp[0].blk)); }-#line 3356 "src/parser.c"+#line 3346 "src/parser.c"     break;    case 101: /* Term: "if" Query "then" error  */-#line 683 "src/parser.y"+#line 673 "src/parser.y"                         {   FAIL((yyloc), "Possibly unterminated 'if' statement");   (yyval.blk) = (yyvsp[-2].blk); }-#line 3365 "src/parser.c"+#line 3355 "src/parser.c"     break;    case 102: /* Term: "try" Expr "catch" Expr  */-#line 687 "src/parser.y"+#line 677 "src/parser.y"                         {   (yyval.blk) = gen_try((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3373 "src/parser.c"+#line 3363 "src/parser.c"     break;    case 103: /* Term: "try" Expr "catch" error  */-#line 690 "src/parser.y"+#line 680 "src/parser.y"                          {   FAIL((yyloc), "Possibly unterminated 'try' statement");   (yyval.blk) = (yyvsp[-2].blk); }-#line 3382 "src/parser.c"+#line 3372 "src/parser.c"     break;    case 104: /* Term: "try" Expr  */-#line 694 "src/parser.y"+#line 684 "src/parser.y"            {   (yyval.blk) = gen_try((yyvsp[0].blk), gen_op_simple(BACKTRACK)); }-#line 3390 "src/parser.c"+#line 3380 "src/parser.c"     break;    case 105: /* Term: '$' '$' '$' BINDING  */-#line 712 "src/parser.y"+#line 702 "src/parser.y"                     {   (yyval.blk) = gen_location((yyloc), locations, gen_op_unbound(LOADVN, jv_string_value((yyvsp[0].literal))));   jv_free((yyvsp[0].literal)); }-#line 3399 "src/parser.c"+#line 3389 "src/parser.c"     break;    case 106: /* Term: BINDING  */-#line 716 "src/parser.y"+#line 706 "src/parser.y"         {   (yyval.blk) = gen_location((yyloc), locations, gen_op_unbound(LOADV, jv_string_value((yyvsp[0].literal))));   jv_free((yyvsp[0].literal)); }-#line 3408 "src/parser.c"+#line 3398 "src/parser.c"     break;    case 107: /* Term: "$__loc__"  */-#line 720 "src/parser.y"+#line 710 "src/parser.y"            {   (yyval.blk) = gen_loc_object(&(yyloc), locations); }-#line 3416 "src/parser.c"+#line 3406 "src/parser.c"     break;    case 108: /* Term: IDENT  */-#line 723 "src/parser.y"+#line 713 "src/parser.y"       {   const char *s = jv_string_value((yyvsp[0].literal));   if (strcmp(s, "false") == 0)@@ -3429,198 +3419,198 @@ yyreduce:     (yyval.blk) = gen_location((yyloc), locations, gen_call(s, gen_noop()));   jv_free((yyvsp[0].literal)); }-#line 3433 "src/parser.c"+#line 3423 "src/parser.c"     break;    case 109: /* Term: IDENT '(' Args ')'  */-#line 735 "src/parser.y"+#line 725 "src/parser.y"                    {   (yyval.blk) = gen_call(jv_string_value((yyvsp[-3].literal)), (yyvsp[-1].blk));   (yyval.blk) = gen_location((yylsp[-3]), locations, (yyval.blk));   jv_free((yyvsp[-3].literal)); }-#line 3443 "src/parser.c"+#line 3433 "src/parser.c"     break;    case 110: /* Term: '(' error ')'  */-#line 740 "src/parser.y"+#line 730 "src/parser.y"               { (yyval.blk) = gen_noop(); }-#line 3449 "src/parser.c"+#line 3439 "src/parser.c"     break;    case 111: /* Term: '[' error ']'  */-#line 741 "src/parser.y"+#line 731 "src/parser.y"               { (yyval.blk) = gen_noop(); }-#line 3455 "src/parser.c"+#line 3445 "src/parser.c"     break;    case 112: /* Term: Term '[' error ']'  */-#line 742 "src/parser.y"+#line 732 "src/parser.y"                    { (yyval.blk) = (yyvsp[-3].blk); }-#line 3461 "src/parser.c"+#line 3451 "src/parser.c"     break;    case 113: /* Term: '{' error '}'  */-#line 743 "src/parser.y"+#line 733 "src/parser.y"               { (yyval.blk) = gen_noop(); }-#line 3467 "src/parser.c"+#line 3457 "src/parser.c"     break;    case 114: /* Args: Arg  */-#line 746 "src/parser.y"+#line 736 "src/parser.y"     {   (yyval.blk) = (yyvsp[0].blk); }-#line 3475 "src/parser.c"+#line 3465 "src/parser.c"     break;    case 115: /* Args: Args ';' Arg  */-#line 749 "src/parser.y"+#line 739 "src/parser.y"              {   (yyval.blk) = BLOCK((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3483 "src/parser.c"+#line 3473 "src/parser.c"     break;    case 116: /* Arg: Query  */-#line 754 "src/parser.y"+#line 744 "src/parser.y"       {   (yyval.blk) = gen_lambda((yyvsp[0].blk)); }-#line 3491 "src/parser.c"+#line 3481 "src/parser.c"     break;    case 117: /* RepPatterns: RepPatterns "?//" Pattern  */-#line 759 "src/parser.y"+#line 749 "src/parser.y"                           {   (yyval.blk) = BLOCK((yyvsp[-2].blk), gen_destructure_alt((yyvsp[0].blk))); }-#line 3499 "src/parser.c"+#line 3489 "src/parser.c"     break;    case 118: /* RepPatterns: Pattern  */-#line 762 "src/parser.y"+#line 752 "src/parser.y"         {   (yyval.blk) = gen_destructure_alt((yyvsp[0].blk)); }-#line 3507 "src/parser.c"+#line 3497 "src/parser.c"     break;    case 119: /* Patterns: RepPatterns "?//" Pattern  */-#line 767 "src/parser.y"+#line 757 "src/parser.y"                           {   (yyval.blk) = BLOCK((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3515 "src/parser.c"+#line 3505 "src/parser.c"     break;    case 120: /* Patterns: Pattern  */-#line 770 "src/parser.y"+#line 760 "src/parser.y"         {   (yyval.blk) = (yyvsp[0].blk); }-#line 3523 "src/parser.c"+#line 3513 "src/parser.c"     break;    case 121: /* Pattern: BINDING  */-#line 775 "src/parser.y"+#line 765 "src/parser.y"         {   (yyval.blk) = gen_op_unbound(STOREV, jv_string_value((yyvsp[0].literal)));   jv_free((yyvsp[0].literal)); }-#line 3532 "src/parser.c"+#line 3522 "src/parser.c"     break;    case 122: /* Pattern: '[' ArrayPats ']'  */-#line 779 "src/parser.y"+#line 769 "src/parser.y"                   {   (yyval.blk) = BLOCK((yyvsp[-1].blk), gen_op_simple(POP)); }-#line 3540 "src/parser.c"+#line 3530 "src/parser.c"     break;    case 123: /* Pattern: '{' ObjPats '}'  */-#line 782 "src/parser.y"+#line 772 "src/parser.y"                 {   (yyval.blk) = BLOCK((yyvsp[-1].blk), gen_op_simple(POP)); }-#line 3548 "src/parser.c"+#line 3538 "src/parser.c"     break;    case 124: /* ArrayPats: Pattern  */-#line 787 "src/parser.y"+#line 777 "src/parser.y"         {   (yyval.blk) = gen_array_matcher(gen_noop(), (yyvsp[0].blk)); }-#line 3556 "src/parser.c"+#line 3546 "src/parser.c"     break;    case 125: /* ArrayPats: ArrayPats ',' Pattern  */-#line 790 "src/parser.y"+#line 780 "src/parser.y"                       {   (yyval.blk) = gen_array_matcher((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3564 "src/parser.c"+#line 3554 "src/parser.c"     break;    case 126: /* ObjPats: ObjPat  */-#line 795 "src/parser.y"+#line 785 "src/parser.y"        {   (yyval.blk) = (yyvsp[0].blk); }-#line 3572 "src/parser.c"+#line 3562 "src/parser.c"     break;    case 127: /* ObjPats: ObjPats ',' ObjPat  */-#line 798 "src/parser.y"+#line 788 "src/parser.y"                    {   (yyval.blk) = BLOCK((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3580 "src/parser.c"+#line 3570 "src/parser.c"     break;    case 128: /* ObjPat: BINDING  */-#line 803 "src/parser.y"+#line 793 "src/parser.y"         {   (yyval.blk) = gen_object_matcher(gen_const((yyvsp[0].literal)), gen_op_unbound(STOREV, jv_string_value((yyvsp[0].literal)))); }-#line 3588 "src/parser.c"+#line 3578 "src/parser.c"     break;    case 129: /* ObjPat: BINDING ':' Pattern  */-#line 806 "src/parser.y"+#line 796 "src/parser.y"                     {   (yyval.blk) = gen_object_matcher(gen_const((yyvsp[-2].literal)), BLOCK(gen_op_simple(DUP), gen_op_unbound(STOREV, jv_string_value((yyvsp[-2].literal))), (yyvsp[0].blk))); }-#line 3596 "src/parser.c"+#line 3586 "src/parser.c"     break;    case 130: /* ObjPat: IDENT ':' Pattern  */-#line 809 "src/parser.y"+#line 799 "src/parser.y"                   {   (yyval.blk) = gen_object_matcher(gen_const((yyvsp[-2].literal)), (yyvsp[0].blk)); }-#line 3604 "src/parser.c"+#line 3594 "src/parser.c"     break;    case 131: /* ObjPat: Keyword ':' Pattern  */-#line 812 "src/parser.y"+#line 802 "src/parser.y"                     {   (yyval.blk) = gen_object_matcher(gen_const((yyvsp[-2].literal)), (yyvsp[0].blk)); }-#line 3612 "src/parser.c"+#line 3602 "src/parser.c"     break;    case 132: /* ObjPat: String ':' Pattern  */-#line 815 "src/parser.y"+#line 805 "src/parser.y"                    {   (yyval.blk) = gen_object_matcher((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3620 "src/parser.c"+#line 3610 "src/parser.c"     break;    case 133: /* ObjPat: '(' Query ')' ':' Pattern  */-#line 818 "src/parser.y"+#line 808 "src/parser.y"                           {   jv msg = check_object_key((yyvsp[-3].blk));   if (jv_is_valid(msg)) {@@ -3629,267 +3619,267 @@ yyreduce:   jv_free(msg);   (yyval.blk) = gen_object_matcher((yyvsp[-3].blk), (yyvsp[0].blk)); }-#line 3633 "src/parser.c"+#line 3623 "src/parser.c"     break;    case 134: /* ObjPat: error ':' Pattern  */-#line 826 "src/parser.y"+#line 816 "src/parser.y"                   {   FAIL((yyloc), "May need parentheses around object key expression");   (yyval.blk) = (yyvsp[0].blk); }-#line 3642 "src/parser.c"+#line 3632 "src/parser.c"     break;    case 135: /* Keyword: "as"  */-#line 832 "src/parser.y"+#line 822 "src/parser.y"      {   (yyval.literal) = jv_string("as"); }-#line 3650 "src/parser.c"+#line 3640 "src/parser.c"     break;    case 136: /* Keyword: "def"  */-#line 835 "src/parser.y"+#line 825 "src/parser.y"       {   (yyval.literal) = jv_string("def"); }-#line 3658 "src/parser.c"+#line 3648 "src/parser.c"     break;    case 137: /* Keyword: "module"  */-#line 838 "src/parser.y"+#line 828 "src/parser.y"          {   (yyval.literal) = jv_string("module"); }-#line 3666 "src/parser.c"+#line 3656 "src/parser.c"     break;    case 138: /* Keyword: "import"  */-#line 841 "src/parser.y"+#line 831 "src/parser.y"          {   (yyval.literal) = jv_string("import"); }-#line 3674 "src/parser.c"+#line 3664 "src/parser.c"     break;    case 139: /* Keyword: "include"  */-#line 844 "src/parser.y"+#line 834 "src/parser.y"           {   (yyval.literal) = jv_string("include"); }-#line 3682 "src/parser.c"+#line 3672 "src/parser.c"     break;    case 140: /* Keyword: "if"  */-#line 847 "src/parser.y"+#line 837 "src/parser.y"      {   (yyval.literal) = jv_string("if"); }-#line 3690 "src/parser.c"+#line 3680 "src/parser.c"     break;    case 141: /* Keyword: "then"  */-#line 850 "src/parser.y"+#line 840 "src/parser.y"        {   (yyval.literal) = jv_string("then"); }-#line 3698 "src/parser.c"+#line 3688 "src/parser.c"     break;    case 142: /* Keyword: "else"  */-#line 853 "src/parser.y"+#line 843 "src/parser.y"        {   (yyval.literal) = jv_string("else"); }-#line 3706 "src/parser.c"+#line 3696 "src/parser.c"     break;    case 143: /* Keyword: "elif"  */-#line 856 "src/parser.y"+#line 846 "src/parser.y"        {   (yyval.literal) = jv_string("elif"); }-#line 3714 "src/parser.c"+#line 3704 "src/parser.c"     break;    case 144: /* Keyword: "reduce"  */-#line 859 "src/parser.y"+#line 849 "src/parser.y"          {   (yyval.literal) = jv_string("reduce"); }-#line 3722 "src/parser.c"+#line 3712 "src/parser.c"     break;    case 145: /* Keyword: "foreach"  */-#line 862 "src/parser.y"+#line 852 "src/parser.y"           {   (yyval.literal) = jv_string("foreach"); }-#line 3730 "src/parser.c"+#line 3720 "src/parser.c"     break;    case 146: /* Keyword: "end"  */-#line 865 "src/parser.y"+#line 855 "src/parser.y"       {   (yyval.literal) = jv_string("end"); }-#line 3738 "src/parser.c"+#line 3728 "src/parser.c"     break;    case 147: /* Keyword: "and"  */-#line 868 "src/parser.y"+#line 858 "src/parser.y"       {   (yyval.literal) = jv_string("and"); }-#line 3746 "src/parser.c"+#line 3736 "src/parser.c"     break;    case 148: /* Keyword: "or"  */-#line 871 "src/parser.y"+#line 861 "src/parser.y"      {   (yyval.literal) = jv_string("or"); }-#line 3754 "src/parser.c"+#line 3744 "src/parser.c"     break;    case 149: /* Keyword: "try"  */-#line 874 "src/parser.y"+#line 864 "src/parser.y"       {   (yyval.literal) = jv_string("try"); }-#line 3762 "src/parser.c"+#line 3752 "src/parser.c"     break;    case 150: /* Keyword: "catch"  */-#line 877 "src/parser.y"+#line 867 "src/parser.y"         {   (yyval.literal) = jv_string("catch"); }-#line 3770 "src/parser.c"+#line 3760 "src/parser.c"     break;    case 151: /* Keyword: "label"  */-#line 880 "src/parser.y"+#line 870 "src/parser.y"         {   (yyval.literal) = jv_string("label"); }-#line 3778 "src/parser.c"+#line 3768 "src/parser.c"     break;    case 152: /* Keyword: "break"  */-#line 883 "src/parser.y"+#line 873 "src/parser.y"         {   (yyval.literal) = jv_string("break"); }-#line 3786 "src/parser.c"+#line 3776 "src/parser.c"     break;    case 153: /* DictPairs: %empty  */-#line 889 "src/parser.y"+#line 879 "src/parser.y"        {   (yyval.blk) = gen_noop(); }-#line 3794 "src/parser.c"+#line 3784 "src/parser.c"     break;    case 154: /* DictPairs: DictPair  */-#line 892 "src/parser.y"+#line 882 "src/parser.y"          {   (yyval.blk) = (yyvsp[0].blk); }-#line 3802 "src/parser.c"+#line 3792 "src/parser.c"     break;    case 155: /* DictPairs: DictPair ',' DictPairs  */-#line 895 "src/parser.y"+#line 885 "src/parser.y"                        {   (yyval.blk) = block_join((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3810 "src/parser.c"+#line 3800 "src/parser.c"     break;    case 156: /* DictPair: IDENT ':' DictExpr  */-#line 900 "src/parser.y"+#line 890 "src/parser.y"                    {   (yyval.blk) = gen_dictpair(gen_const((yyvsp[-2].literal)), (yyvsp[0].blk)); }-#line 3818 "src/parser.c"+#line 3808 "src/parser.c"     break;    case 157: /* DictPair: Keyword ':' DictExpr  */-#line 903 "src/parser.y"+#line 893 "src/parser.y"                      {   (yyval.blk) = gen_dictpair(gen_const((yyvsp[-2].literal)), (yyvsp[0].blk)); }-#line 3826 "src/parser.c"+#line 3816 "src/parser.c"     break;    case 158: /* DictPair: String ':' DictExpr  */-#line 906 "src/parser.y"+#line 896 "src/parser.y"                     {   (yyval.blk) = gen_dictpair((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3834 "src/parser.c"+#line 3824 "src/parser.c"     break;    case 159: /* DictPair: String  */-#line 909 "src/parser.y"+#line 899 "src/parser.y"        {   (yyval.blk) = gen_dictpair((yyvsp[0].blk), BLOCK(gen_op_simple(POP), gen_op_simple(DUP2),                               gen_op_simple(DUP2), gen_op_simple(INDEX))); }-#line 3843 "src/parser.c"+#line 3833 "src/parser.c"     break;    case 160: /* DictPair: BINDING ':' DictExpr  */-#line 913 "src/parser.y"+#line 903 "src/parser.y"                      {   (yyval.blk) = gen_dictpair(gen_location((yyloc), locations, gen_op_unbound(LOADV, jv_string_value((yyvsp[-2].literal)))),                     (yyvsp[0].blk));   jv_free((yyvsp[-2].literal)); }-#line 3853 "src/parser.c"+#line 3843 "src/parser.c"     break;    case 161: /* DictPair: BINDING  */-#line 918 "src/parser.y"+#line 908 "src/parser.y"         {   (yyval.blk) = gen_dictpair(gen_const((yyvsp[0].literal)),                     gen_location((yyloc), locations, gen_op_unbound(LOADV, jv_string_value((yyvsp[0].literal))))); }-#line 3862 "src/parser.c"+#line 3852 "src/parser.c"     break;    case 162: /* DictPair: IDENT  */-#line 922 "src/parser.y"+#line 912 "src/parser.y"       {   (yyval.blk) = gen_dictpair(gen_const(jv_copy((yyvsp[0].literal))),                     gen_index(gen_noop(), gen_const((yyvsp[0].literal)))); }-#line 3871 "src/parser.c"+#line 3861 "src/parser.c"     break;    case 163: /* DictPair: "$__loc__"  */-#line 926 "src/parser.y"+#line 916 "src/parser.y"            {   (yyval.blk) = gen_dictpair(gen_const(jv_string("__loc__")),                     gen_loc_object(&(yyloc), locations)); }-#line 3880 "src/parser.c"+#line 3870 "src/parser.c"     break;    case 164: /* DictPair: Keyword  */-#line 930 "src/parser.y"+#line 920 "src/parser.y"         {   (yyval.blk) = gen_dictpair(gen_const(jv_copy((yyvsp[0].literal))),                     gen_index(gen_noop(), gen_const((yyvsp[0].literal)))); }-#line 3889 "src/parser.c"+#line 3879 "src/parser.c"     break;    case 165: /* DictPair: '(' Query ')' ':' DictExpr  */-#line 934 "src/parser.y"+#line 924 "src/parser.y"                            {   jv msg = check_object_key((yyvsp[-3].blk));   if (jv_is_valid(msg)) {@@ -3898,36 +3888,36 @@ yyreduce:   jv_free(msg);   (yyval.blk) = gen_dictpair((yyvsp[-3].blk), (yyvsp[0].blk)); }-#line 3902 "src/parser.c"+#line 3892 "src/parser.c"     break;    case 166: /* DictPair: error ':' DictExpr  */-#line 942 "src/parser.y"+#line 932 "src/parser.y"                    {   FAIL((yylsp[-2]), "May need parentheses around object key expression");   (yyval.blk) = (yyvsp[0].blk); }-#line 3911 "src/parser.c"+#line 3901 "src/parser.c"     break;    case 167: /* DictExpr: DictExpr '|' DictExpr  */-#line 948 "src/parser.y"+#line 938 "src/parser.y"                       {   (yyval.blk) = block_join((yyvsp[-2].blk), (yyvsp[0].blk)); }-#line 3919 "src/parser.c"+#line 3909 "src/parser.c"     break;    case 168: /* DictExpr: Expr  */-#line 951 "src/parser.y"+#line 941 "src/parser.y"      {   (yyval.blk) = (yyvsp[0].blk); }-#line 3927 "src/parser.c"+#line 3917 "src/parser.c"     break;  -#line 3931 "src/parser.c"+#line 3921 "src/parser.c"        default: break;     }@@ -4156,7 +4146,7 @@ yyreturnlab:   return yyresult; } -#line 954 "src/parser.y"+#line 944 "src/parser.y"   int jq_parse(struct locfile* locations, block* answer) {

src/parser.y

@@ -439,26 +439,16 @@ ImportWhat Query ';' {  ImportWhat: "import" ImportFrom "as" BINDING {-  jv v = block_const($2);-  // XXX Make gen_import take only blocks and the int is_data so we-  // don't have to free so much stuff here-  $$ = gen_import(jv_string_value(v), jv_string_value($4), 1);+  $$ = gen_import(block_const($2), $4, 1);   block_free($2);-  jv_free($4);-  jv_free(v); } | "import" ImportFrom "as" IDENT {-  jv v = block_const($2);-  $$ = gen_import(jv_string_value(v), jv_string_value($4), 0);+  $$ = gen_import(block_const($2), $4, 0);   block_free($2);-  jv_free($4);-  jv_free(v); } | "include" ImportFrom {-  jv v = block_const($2);-  $$ = gen_import(jv_string_value(v), NULL, 0);+  $$ = gen_import(block_const($2), jv_invalid(), 0);   block_free($2);-  jv_free(v); }  ImportFrom:

tests/shtest

@@ -893,4 +893,21 @@ if echo '42' | $JQ -f "$d/nul_prog.jq" >/dev/null 2>/dev/null; then   exit 1 fi +# CVE-2026-43895: No NUL bytes in module/data import paths+printf 'import "a\\u0000b" as $x; .' > "$d/nul_import.jq"+if $JQ -nf "$d/nul_import.jq" >/dev/null 2>/dev/null; then+  printf 'Error expected for import path with NUL bytes\n' 1>&2+  exit 1+fi+printf 'include "a\\u0000b"; .' > "$d/nul_include.jq"+if $JQ -nf "$d/nul_include.jq" >/dev/null 2>/dev/null; then+  printf 'Error expected for include path with NUL bytes\n' 1>&2+  exit 1+fi+printf '"a\\u0000b" | modulemeta' > "$d/nul_modulemeta.jq"+if $JQ -nf "$d/nul_modulemeta.jq" >/dev/null 2>/dev/null; then+  printf 'Error expected for modulemeta with NUL bytes\n' 1>&2+  exit 1+fi+ exit 0