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Avoid a potential buffer overrun if an SQL statement being parsed ends

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with an illegal "!" token.  (This problem was detected by fuzzcheck
running under valgrind. The problem was introduced by check-in [9570b6b43df3].)

FossilOrigin-Name: 2a8d97e7c8976df0312e1294e8c1da8b15686654
This commit is contained in:
drh
2016-02-18 14:49:28 +00:00
parent 4c9d22819f
commit b2bddbbc2d
6 changed files with 16 additions and 13 deletions
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test/misc1.test
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@@ -699,7 +699,7 @@ do_catchsql_test misc1-23.3 {
#
do_test misc1-24.0 {
list [catch { sqlite3_prepare_v2 db ! -1 dummy } msg] $msg
} {1 {(1) unrecognized token: "!}}
} {1 {(1) unrecognized token: "!"}}
# The following query (provided by Kostya Serebryany) used to take 25
# minutes to prepare. This has been speeded up to about 250 milliseconds.