fixed MyISAM crash on dynamic-row tables with huge number of to-be-packed fields

myisam/mi_open.c

@@ -495,7 +495,8 @@ MI_INFO *mi_open(const char *name, int mode, uint open_flags)
     extra=ALIGN_SIZE(MI_MAX_DYN_BLOCK_HEADER)+MI_SPLIT_LENGTH+
       MI_DYN_DELETE_BLOCK_HEADER;
 
-  tmp_length=max(share->base.pack_reclength,share->base.max_key_length);
+  tmp_length=max(share->base.pack_reclength+share->base.pack_bits,
+                 share->base.max_key_length);
   info.alloced_rec_buff_length=tmp_length;
   if (!(info.rec_alloc=(byte*) my_malloc(tmp_length+extra+8,
 					 MYF(MY_WME | MY_ZEROFILL))))

mysql-test/t/myisam.test

@@ -75,3 +75,174 @@ INSERT INTO  t1 VALUES (1), (2), (3);
 OPTIMIZE TABLE t1;
 DROP TABLE t1;
 
+#
+# test of myisam with huge number of packed fields
+#
+
+drop table if exists t1;
+create table t1 (i1 int, i2 int, i3 int, i4 int, i5 int, i6 int, i7 int, i8
+int, i9 int, i10 int, i11 int, i12 int, i13 int, i14 int, i15 int, i16 int, i17
+int, i18 int, i19 int, i20 int, i21 int, i22 int, i23 int, i24 int, i25 int,
+i26 int, i27 int, i28 int, i29 int, i30 int, i31 int, i32 int, i33 int, i34
+int, i35 int, i36 int, i37 int, i38 int, i39 int, i40 int, i41 int, i42 int,
+i43 int, i44 int, i45 int, i46 int, i47 int, i48 int, i49 int, i50 int, i51
+int, i52 int, i53 int, i54 int, i55 int, i56 int, i57 int, i58 int, i59 int,
+i60 int, i61 int, i62 int, i63 int, i64 int, i65 int, i66 int, i67 int, i68
+int, i69 int, i70 int, i71 int, i72 int, i73 int, i74 int, i75 int, i76 int,
+i77 int, i78 int, i79 int, i80 int, i81 int, i82 int, i83 int, i84 int, i85
+int, i86 int, i87 int, i88 int, i89 int, i90 int, i91 int, i92 int, i93 int,
+i94 int, i95 int, i96 int, i97 int, i98 int, i99 int, i100 int, i101 int, i102
+int, i103 int, i104 int, i105 int, i106 int, i107 int, i108 int, i109 int, i110
+int, i111 int, i112 int, i113 int, i114 int, i115 int, i116 int, i117 int, i118
+int, i119 int, i120 int, i121 int, i122 int, i123 int, i124 int, i125 int, i126
+int, i127 int, i128 int, i129 int, i130 int, i131 int, i132 int, i133 int, i134
+int, i135 int, i136 int, i137 int, i138 int, i139 int, i140 int, i141 int, i142
+int, i143 int, i144 int, i145 int, i146 int, i147 int, i148 int, i149 int, i150
+int, i151 int, i152 int, i153 int, i154 int, i155 int, i156 int, i157 int, i158
+int, i159 int, i160 int, i161 int, i162 int, i163 int, i164 int, i165 int, i166
+int, i167 int, i168 int, i169 int, i170 int, i171 int, i172 int, i173 int, i174
+int, i175 int, i176 int, i177 int, i178 int, i179 int, i180 int, i181 int, i182
+int, i183 int, i184 int, i185 int, i186 int, i187 int, i188 int, i189 int, i190
+int, i191 int, i192 int, i193 int, i194 int, i195 int, i196 int, i197 int, i198
+int, i199 int, i200 int, i201 int, i202 int, i203 int, i204 int, i205 int, i206
+int, i207 int, i208 int, i209 int, i210 int, i211 int, i212 int, i213 int, i214
+int, i215 int, i216 int, i217 int, i218 int, i219 int, i220 int, i221 int, i222
+int, i223 int, i224 int, i225 int, i226 int, i227 int, i228 int, i229 int, i230
+int, i231 int, i232 int, i233 int, i234 int, i235 int, i236 int, i237 int, i238
+int, i239 int, i240 int, i241 int, i242 int, i243 int, i244 int, i245 int, i246
+int, i247 int, i248 int, i249 int, i250 int, i251 int, i252 int, i253 int, i254
+int, i255 int, i256 int, i257 int, i258 int, i259 int, i260 int, i261 int, i262
+int, i263 int, i264 int, i265 int, i266 int, i267 int, i268 int, i269 int, i270
+int, i271 int, i272 int, i273 int, i274 int, i275 int, i276 int, i277 int, i278
+int, i279 int, i280 int, i281 int, i282 int, i283 int, i284 int, i285 int, i286
+int, i287 int, i288 int, i289 int, i290 int, i291 int, i292 int, i293 int, i294
+int, i295 int, i296 int, i297 int, i298 int, i299 int, i300 int, i301 int, i302
+int, i303 int, i304 int, i305 int, i306 int, i307 int, i308 int, i309 int, i310
+int, i311 int, i312 int, i313 int, i314 int, i315 int, i316 int, i317 int, i318
+int, i319 int, i320 int, i321 int, i322 int, i323 int, i324 int, i325 int, i326
+int, i327 int, i328 int, i329 int, i330 int, i331 int, i332 int, i333 int, i334
+int, i335 int, i336 int, i337 int, i338 int, i339 int, i340 int, i341 int, i342
+int, i343 int, i344 int, i345 int, i346 int, i347 int, i348 int, i349 int, i350
+int, i351 int, i352 int, i353 int, i354 int, i355 int, i356 int, i357 int, i358
+int, i359 int, i360 int, i361 int, i362 int, i363 int, i364 int, i365 int, i366
+int, i367 int, i368 int, i369 int, i370 int, i371 int, i372 int, i373 int, i374
+int, i375 int, i376 int, i377 int, i378 int, i379 int, i380 int, i381 int, i382
+int, i383 int, i384 int, i385 int, i386 int, i387 int, i388 int, i389 int, i390
+int, i391 int, i392 int, i393 int, i394 int, i395 int, i396 int, i397 int, i398
+int, i399 int, i400 int, i401 int, i402 int, i403 int, i404 int, i405 int, i406
+int, i407 int, i408 int, i409 int, i410 int, i411 int, i412 int, i413 int, i414
+int, i415 int, i416 int, i417 int, i418 int, i419 int, i420 int, i421 int, i422
+int, i423 int, i424 int, i425 int, i426 int, i427 int, i428 int, i429 int, i430
+int, i431 int, i432 int, i433 int, i434 int, i435 int, i436 int, i437 int, i438
+int, i439 int, i440 int, i441 int, i442 int, i443 int, i444 int, i445 int, i446
+int, i447 int, i448 int, i449 int, i450 int, i451 int, i452 int, i453 int, i454
+int, i455 int, i456 int, i457 int, i458 int, i459 int, i460 int, i461 int, i462
+int, i463 int, i464 int, i465 int, i466 int, i467 int, i468 int, i469 int, i470
+int, i471 int, i472 int, i473 int, i474 int, i475 int, i476 int, i477 int, i478
+int, i479 int, i480 int, i481 int, i482 int, i483 int, i484 int, i485 int, i486
+int, i487 int, i488 int, i489 int, i490 int, i491 int, i492 int, i493 int, i494
+int, i495 int, i496 int, i497 int, i498 int, i499 int, i500 int, i501 int, i502
+int, i503 int, i504 int, i505 int, i506 int, i507 int, i508 int, i509 int, i510
+int, i511 int, i512 int, i513 int, i514 int, i515 int, i516 int, i517 int, i518
+int, i519 int, i520 int, i521 int, i522 int, i523 int, i524 int, i525 int, i526
+int, i527 int, i528 int, i529 int, i530 int, i531 int, i532 int, i533 int, i534
+int, i535 int, i536 int, i537 int, i538 int, i539 int, i540 int, i541 int, i542
+int, i543 int, i544 int, i545 int, i546 int, i547 int, i548 int, i549 int, i550
+int, i551 int, i552 int, i553 int, i554 int, i555 int, i556 int, i557 int, i558
+int, i559 int, i560 int, i561 int, i562 int, i563 int, i564 int, i565 int, i566
+int, i567 int, i568 int, i569 int, i570 int, i571 int, i572 int, i573 int, i574
+int, i575 int, i576 int, i577 int, i578 int, i579 int, i580 int, i581 int, i582
+int, i583 int, i584 int, i585 int, i586 int, i587 int, i588 int, i589 int, i590
+int, i591 int, i592 int, i593 int, i594 int, i595 int, i596 int, i597 int, i598
+int, i599 int, i600 int, i601 int, i602 int, i603 int, i604 int, i605 int, i606
+int, i607 int, i608 int, i609 int, i610 int, i611 int, i612 int, i613 int, i614
+int, i615 int, i616 int, i617 int, i618 int, i619 int, i620 int, i621 int, i622
+int, i623 int, i624 int, i625 int, i626 int, i627 int, i628 int, i629 int, i630
+int, i631 int, i632 int, i633 int, i634 int, i635 int, i636 int, i637 int, i638
+int, i639 int, i640 int, i641 int, i642 int, i643 int, i644 int, i645 int, i646
+int, i647 int, i648 int, i649 int, i650 int, i651 int, i652 int, i653 int, i654
+int, i655 int, i656 int, i657 int, i658 int, i659 int, i660 int, i661 int, i662
+int, i663 int, i664 int, i665 int, i666 int, i667 int, i668 int, i669 int, i670
+int, i671 int, i672 int, i673 int, i674 int, i675 int, i676 int, i677 int, i678
+int, i679 int, i680 int, i681 int, i682 int, i683 int, i684 int, i685 int, i686
+int, i687 int, i688 int, i689 int, i690 int, i691 int, i692 int, i693 int, i694
+int, i695 int, i696 int, i697 int, i698 int, i699 int, i700 int, i701 int, i702
+int, i703 int, i704 int, i705 int, i706 int, i707 int, i708 int, i709 int, i710
+int, i711 int, i712 int, i713 int, i714 int, i715 int, i716 int, i717 int, i718
+int, i719 int, i720 int, i721 int, i722 int, i723 int, i724 int, i725 int, i726
+int, i727 int, i728 int, i729 int, i730 int, i731 int, i732 int, i733 int, i734
+int, i735 int, i736 int, i737 int, i738 int, i739 int, i740 int, i741 int, i742
+int, i743 int, i744 int, i745 int, i746 int, i747 int, i748 int, i749 int, i750
+int, i751 int, i752 int, i753 int, i754 int, i755 int, i756 int, i757 int, i758
+int, i759 int, i760 int, i761 int, i762 int, i763 int, i764 int, i765 int, i766
+int, i767 int, i768 int, i769 int, i770 int, i771 int, i772 int, i773 int, i774
+int, i775 int, i776 int, i777 int, i778 int, i779 int, i780 int, i781 int, i782
+int, i783 int, i784 int, i785 int, i786 int, i787 int, i788 int, i789 int, i790
+int, i791 int, i792 int, i793 int, i794 int, i795 int, i796 int, i797 int, i798
+int, i799 int, i800 int, i801 int, i802 int, i803 int, i804 int, i805 int, i806
+int, i807 int, i808 int, i809 int, i810 int, i811 int, i812 int, i813 int, i814
+int, i815 int, i816 int, i817 int, i818 int, i819 int, i820 int, i821 int, i822
+int, i823 int, i824 int, i825 int, i826 int, i827 int, i828 int, i829 int, i830
+int, i831 int, i832 int, i833 int, i834 int, i835 int, i836 int, i837 int, i838
+int, i839 int, i840 int, i841 int, i842 int, i843 int, i844 int, i845 int, i846
+int, i847 int, i848 int, i849 int, i850 int, i851 int, i852 int, i853 int, i854
+int, i855 int, i856 int, i857 int, i858 int, i859 int, i860 int, i861 int, i862
+int, i863 int, i864 int, i865 int, i866 int, i867 int, i868 int, i869 int, i870
+int, i871 int, i872 int, i873 int, i874 int, i875 int, i876 int, i877 int, i878
+int, i879 int, i880 int, i881 int, i882 int, i883 int, i884 int, i885 int, i886
+int, i887 int, i888 int, i889 int, i890 int, i891 int, i892 int, i893 int, i894
+int, i895 int, i896 int, i897 int, i898 int, i899 int, i900 int, i901 int, i902
+int, i903 int, i904 int, i905 int, i906 int, i907 int, i908 int, i909 int, i910
+int, i911 int, i912 int, i913 int, i914 int, i915 int, i916 int, i917 int, i918
+int, i919 int, i920 int, i921 int, i922 int, i923 int, i924 int, i925 int, i926
+int, i927 int, i928 int, i929 int, i930 int, i931 int, i932 int, i933 int, i934
+int, i935 int, i936 int, i937 int, i938 int, i939 int, i940 int, i941 int, i942
+int, i943 int, i944 int, i945 int, i946 int, i947 int, i948 int, i949 int, i950
+int, i951 int, i952 int, i953 int, i954 int, i955 int, i956 int, i957 int, i958
+int, i959 int, i960 int, i961 int, i962 int, i963 int, i964 int, i965 int, i966
+int, i967 int, i968 int, i969 int, i970 int, i971 int, i972 int, i973 int, i974
+int, i975 int, i976 int, i977 int, i978 int, i979 int, i980 int, i981 int, i982
+int, i983 int, i984 int, i985 int, i986 int, i987 int, i988 int, i989 int, i990
+int, i991 int, i992 int, i993 int, i994 int, i995 int, i996 int, i997 int, i998
+int, i999 int, i1000 int) row_format=dynamic;
+insert into t1 values (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1);
+drop table if exists t1;
+