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Earlier detection of out-of-range page numbers in the btree layer. 

FossilOrigin-Name: 805bb67a82be51dc6077480691ed815c63a37bd8fc00cf7e67e020349c6e322e
This commit is contained in:
drh 2020-07-28 20:32:12 +00:00
parent 6528bcdc80
commit 1024822ba8
3 changed files with 14 additions and 7 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Merge\senhancements\sfrom\strunk.
D 2020-07-28T17:51:48.981
C Earlier\sdetection\sof\sout-of-range\spage\snumbers\sin\sthe\sbtree\slayer.
D 2020-07-28T20:32:12.478
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -476,7 +476,7 @@ F src/auth.c a3d5bfdba83d25abed1013a8c7a5f204e2e29b0c25242a56bc02bb0c07bf1e06
F src/backup.c b1c90cd4110248c8e1273ff4578d3a84c0c34725e1b96dacd4a6294a908702de
F src/bitvec.c 17ea48eff8ba979f1f5b04cc484c7bb2be632f33
F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
F src/btree.c 312780d344ab1c205b6571ef38757c7d5ea1cec539802cdd5a508381dd71be88
F src/btree.c 398b6a2ec3224533beab389b3db12da7bda726805ce362130fbe08c74ce0599c
F src/btree.h 7af72bbb4863c331c8f6753277ab40ee67d2a2125a63256d5c25489722ec162b
F src/btreeInt.h 83166f6daeb91062b6ae9ee6247b3ad07e40eba58f3c05ba9e8dedad4ab1ea38
F src/build.c 1b8436ed3ac339a0507e61b14e4bd823eb02b76a9499b2241fddc61a5ff38c1a
@ -1879,7 +1879,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 22e8e6901a119698de831ede6d8b03c4fd6576eaa8686a97a0b8aeea7593688a ee8a108058c304f9b6b02f84f1da01a0b7a3a21992627bcc1f97d42e8d23da69
R eadae907213e64a4a20abad95f5fd65f
P 969c25bb14fbd99ca8523abf0ae78a75a3dde539e3323d105690aef4940041eb
R 5e98c4cb6c9b78a3e5d40725f8973216
U drh
Z c2595a223b4a7c3d570814053566ad4a
Z 4cd38b7003d2f733da13812745e0abc4

2
manifest.uuid
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@ -1 +1 @@
969c25bb14fbd99ca8523abf0ae78a75a3dde539e3323d105690aef4940041eb
805bb67a82be51dc6077480691ed815c63a37bd8fc00cf7e67e020349c6e322e

7
src/btree.c
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@ -6290,6 +6290,10 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){
u32 nLeaf; /* Initial number of leaf cells on trunk page */
iTrunk = get4byte(&pPage1->aData[32]);
if( iTrunk>btreePagecount(pBt) ){
rc = SQLITE_CORRUPT_BKPT;
goto freepage_out;
}
rc = btreeGetPage(pBt, iTrunk, &pTrunk, 0);
if( rc!=SQLITE_OK ){
goto freepage_out;
@ -9127,6 +9131,9 @@ static int btreeCreateTable(Btree *p, Pgno *piTable, int createTabFlags){
** created so far, so the new root-page is (meta[3]+1).
*/
sqlite3BtreeGetMeta(p, BTREE_LARGEST_ROOT_PAGE, &pgnoRoot);
if( pgnoRoot>btreePagecount(pBt) ){
return SQLITE_CORRUPT_BKPT;
}
pgnoRoot++;
/* The new root-page may not be allocated on a pointer-map page, or the