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Enhanced defense against integer overflow in ALTER TABLE.

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FossilOrigin-Name: fb7f094e4e0f03622c2e7fa02483c17671a8899c7ad8aba8659177180f406704
This commit is contained in:
drh 2021-06-16 11:32:54 +00:00
parent 82f62e8324
commit 236bcdf3e4
3 changed files with 10 additions and 11 deletions
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13
manifest
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@ -1,5 +1,5 @@
C Fix\ssome\s#ifdefs\sso\sthat\sbuilds\swork\sfor\sall\ssupported\scompile-time\soptions.
D 2021-06-15T20:10:25.201
C Enhanced\sdefense\sagainst\sinteger\soverflow\sin\sALTER\sTABLE.
D 2021-06-16T11:32:54.576
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -478,7 +478,7 @@ F spec.template 86a4a43b99ebb3e75e6b9a735d5fd293a24e90ca
F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
F src/alter.c 00212ce60260818eee9ce7d881251ae172f3996db577729a2593d2e3d70551ec
F src/alter.c 774a2a175ec747b55046ec62f5c1208d730ee22b10bdad5f182591fa247946a8
F src/analyze.c 01c6c6765cb4d40b473b71d85535093730770bb186f2f473abac25f07fcdee5c
F src/attach.c a514e81758ba7b3a3a0501faf70af6cfc509de8810235db726cfc9f25165e929
F src/auth.c 08954fdc4cc2da5264ba5b75cfd90b67a6fc7d1710a02ccf917c38eadec77853
@ -1918,8 +1918,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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Z 83f5ebc6b2c42f5bde61078e332a4e0b
Z a2a26cfc7aeeb72d48e041fe86674b54

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manifest.uuid
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@ -1 +1 @@
ca7d78f7818b4754fd04ea2b618dee1f01e11c6a5acb54951217c0d03df8e187
fb7f094e4e0f03622c2e7fa02483c17671a8899c7ad8aba8659177180f406704

6
src/alter.c
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@ -1160,13 +1160,13 @@ static int renameEditSql(
const char *zNew, /* New token text */
int bQuote /* True to always quote token */
){
int nNew = sqlite3Strlen30(zNew);
int nSql = sqlite3Strlen30(zSql);
i64 nNew = sqlite3Strlen30(zNew);
i64 nSql = sqlite3Strlen30(zSql);
sqlite3 *db = sqlite3_context_db_handle(pCtx);
int rc = SQLITE_OK;
char *zQuot = 0;
char *zOut;
int nQuot = 0;
i64 nQuot = 0;
char *zBuf1 = 0;
char *zBuf2 = 0;