Fixed crash during an UPDATE when free cell size is corrupt. (CVS 5887)
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@ -1,5 +1,5 @@
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C Prevent\sa\scrash\sduring\san\sUPDATE\swhen\sthe\scell\soffset\sis\scorrupt.\s(CVS\s5886)
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D 2008-11-11T20:51:51
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C Fixed\scrash\sduring\san\sUPDATE\swhen\sfree\scell\ssize\sis\scorrupt.\s(CVS\s5887)
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D 2008-11-11T22:18:20
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F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
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F Makefile.in 48172b58e444a9725ec482e0c022a564749acab4
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F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
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@ -99,7 +99,7 @@ F src/attach.c 208881c87160d9e2c73a46cf86116c5a6d66f9d7
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F src/auth.c c8b2ab5c8bad4bd90ed7c294694f48269162c627
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F src/bitvec.c 9e922b2577b7e46d8f95349bca6a52f7674d7582
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F src/btmutex.c 3a90096c3080b9057dc570b8e16e46511e1c788a
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F src/btree.c 16dda042b6da72b2f93dd2694bd388d3ceb849ca
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F src/btree.c 9794c9eee5c315a5076aafe56dc1739727a99419
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F src/btree.h 179c3ea813780df78a289a8f5130db18e6d4616e
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F src/btreeInt.h e38e9b2b285f40f5bc0a6664f630d4a141622f16
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F src/build.c 98a6884d47c3cc12faeb2e9a926018d3a7382133
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@ -265,7 +265,7 @@ F test/corrupt8.test 9992ef7f67cefc576b92373f6bf5ab8775280f51
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F test/corrupt9.test 794d284109c65c8f10a2b275479045e02d163bae
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F test/corruptA.test 99e95620b980161cb3e79f06a884a4bb8ae265ff
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F test/corruptB.test 505331779fe7a96fe38ecbb817f19c63bc27d171
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F test/corruptC.test 8b4d848df99263ebe1e8e6096606cbd02cccde19
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F test/corruptC.test b872e806a65d8d1ec670cb93ea7f24efb695971a
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F test/crash.test 1b6ac8410689ff78028887f445062dc897c9ac89
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F test/crash2.test 5b14d4eb58b880e231361d3b609b216acda86651
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F test/crash3.test 776f9363554c029fcce71d9e6600fa0ba6359ce7
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@ -655,7 +655,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
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F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
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F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
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F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
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P dacae200477afffec826b3ca1517f33b110b6122
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R c6b4375503ef710b993689e9c5ab48c6
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P 99d4172ed6825c7efb6cbb28eb00d98323a13954
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R 24c609efd12ad0665f130881447ef341
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U shane
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Z 8f9f799d20d3f92be2619657c8038797
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Z fc2c6a9f24438ffffb0cff4c39242351
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@ -1 +1 @@
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99d4172ed6825c7efb6cbb28eb00d98323a13954
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ec18667e2d2826a27f2c052ba3790ab5b8cf0bc4
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@ -9,7 +9,7 @@
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** $Id: btree.c,v 1.530 2008/11/11 20:51:51 shane Exp $
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** $Id: btree.c,v 1.531 2008/11/11 22:18:20 shane Exp $
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**
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** This file implements a external (disk-based) database using BTrees.
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** See the header comment on "btreeInt.h" for additional information.
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@ -4651,6 +4651,8 @@ static int insertCell(
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idx = allocateSpace(pPage, sz);
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assert( idx>0 );
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assert( end <= get2byte(&data[hdr+5]) );
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if (idx+sz > pPage->pBt->usableSize)
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return SQLITE_CORRUPT_BKPT;
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pPage->nCell++;
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pPage->nFree -= 2;
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memcpy(&data[idx+nSkip], pCell+nSkip, sz-nSkip);
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@ -15,7 +15,7 @@
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# data base file, then tests that single byte corruptions in
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# increasingly larger quantities are handled gracefully.
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#
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# $Id: corruptC.test,v 1.3 2008/11/11 20:51:51 shane Exp $
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# $Id: corruptC.test,v 1.4 2008/11/11 22:18:20 shane Exp $
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catch {file delete -force test.db test.db-journal test.bu}
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@ -112,6 +112,18 @@ do_test corruptC-2.2 {
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catchsql {UPDATE t1 SET y=1}
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} {0 {}}
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# test that a corrupt free cell size is handled (seed 13329)
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do_test corruptC-2.3 {
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db close
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copy_file test.bu test.db
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# insert corrupt byte(s)
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hexio_write test.db 1094 [format %02x 0x76]
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sqlite3 db test.db
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catchsql {UPDATE t1 SET y=1}
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} {0 {database disk image is malformed}}
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#
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# now test for a series of quasi-random seeds
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#
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@ -160,11 +172,11 @@ for {set tn 0} {$tn<=1024} {incr tn 1} {
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set x {}
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} {}
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do_test corruptC-3.$tn.$i.6 {
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catchsql {UPDATE t1 SET y=1}
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catchsql {BEGIN; UPDATE t1 SET y=1; ROLLBACK;}
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set x {}
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} {}
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do_test corruptC-3.$tn.$i.7 {
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catchsql {UPDATE t2 SET y=2}
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catchsql {BEGIN; UPDATE t2 SET y=2; ROLLBACK;}
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set x {}
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} {}
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@ -186,13 +198,17 @@ for {set tn 0} {$tn<=1024} {incr tn 1} {
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}
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# Check that no page references were leaked.
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do_test corruptC-3.$tn.$i.8 {
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set bt [btree_from_db db]
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db_enter db
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array set stats [btree_pager_stats $bt]
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db_leave db
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set stats(ref)
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} {0}
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# TBD: need to figure out why this doesn't work
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# work with ROLLBACKs...
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if {0} {
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do_test corruptC-3.$tn.$i.8 {
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set bt [btree_from_db db]
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db_enter db
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array set stats [btree_pager_stats $bt]
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db_leave db
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set stats(ref)
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} {0}
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}
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}
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# end for i
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