mirror of
https://github.com/sqlite/sqlite.git
synced 2024-11-22 03:40:55 +01:00
4cf953731f
output of "PRAGMA integrity_check" from [b736519d3d2e93c7]. FossilOrigin-Name: 0d19eeaafb296aad212ee4f55a0f6df8c7c5185b14d7f7f49c020fe4cbe370c1
429 lines
12 KiB
Plaintext
429 lines
12 KiB
Plaintext
# 2004 August 30
|
|
#
|
|
# The author disclaims copyright to this source code. In place of
|
|
# a legal notice, here is a blessing:
|
|
#
|
|
# May you do good and not evil.
|
|
# May you find forgiveness for yourself and forgive others.
|
|
# May you share freely, never taking more than you give.
|
|
#
|
|
#***********************************************************************
|
|
# This file implements regression tests for SQLite library.
|
|
#
|
|
# This file implements tests to make sure SQLite does not crash or
|
|
# segfault if it sees a corrupt database file. It creates a base
|
|
# data base file, then tests that single byte corruptions in
|
|
# increasingly larger quantities are handled gracefully.
|
|
#
|
|
# $Id: corruptC.test,v 1.14 2009/07/11 06:55:34 danielk1977 Exp $
|
|
|
|
catch {forcedelete test.db test.db-journal test.bu}
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
# Do not use a codec for tests in this file, as the database file is
|
|
# manipulated directly using tcl scripts (using the [hexio_write] command).
|
|
#
|
|
do_not_use_codec
|
|
|
|
# These tests deal with corrupt database files
|
|
#
|
|
database_may_be_corrupt
|
|
|
|
# Construct a compact, dense database for testing.
|
|
#
|
|
do_test corruptC-1.1 {
|
|
sqlite3_db_config db LEGACY_FILE_FORMAT 1
|
|
execsql {
|
|
PRAGMA auto_vacuum = 0;
|
|
BEGIN;
|
|
CREATE TABLE t1(x,y);
|
|
INSERT INTO t1 VALUES(1,1);
|
|
INSERT OR IGNORE INTO t1 SELECT x*2,y FROM t1;
|
|
INSERT OR IGNORE INTO t1 SELECT x*3,y FROM t1;
|
|
INSERT OR IGNORE INTO t1 SELECT x*5,y FROM t1;
|
|
INSERT OR IGNORE INTO t1 SELECT x*7,y FROM t1;
|
|
INSERT OR IGNORE INTO t1 SELECT x*11,y FROM t1;
|
|
INSERT OR IGNORE INTO t1 SELECT x*13,y FROM t1;
|
|
CREATE INDEX t1i1 ON t1(x);
|
|
CREATE TABLE t2 AS SELECT x,2 as y FROM t1 WHERE rowid%5!=0;
|
|
COMMIT;
|
|
}
|
|
} {}
|
|
|
|
ifcapable {integrityck} {
|
|
integrity_check corruptC-1.2
|
|
}
|
|
|
|
# Generate random integer
|
|
#
|
|
proc random {range} {
|
|
return [expr {round(rand()*$range)}]
|
|
}
|
|
|
|
# Setup for the tests. Make a backup copy of the good database in test.bu.
|
|
#
|
|
db close
|
|
forcecopy test.db test.bu
|
|
sqlite3 db test.db
|
|
set fsize [file size test.db]
|
|
|
|
# Set a quasi-random random seed.
|
|
if {[info exists ::G(issoak)]} {
|
|
# If we are doing SOAK tests, we want a different
|
|
# random seed for each run. Ideally we would like
|
|
# to use [clock clicks] or something like that here.
|
|
set qseed [file mtime test.db]
|
|
} else {
|
|
# If we are not doing soak tests,
|
|
# make it repeatable.
|
|
set qseed 0
|
|
}
|
|
expr srand($qseed)
|
|
|
|
#
|
|
# First test some specific corruption tests found from earlier runs
|
|
# with specific seeds.
|
|
#
|
|
|
|
# test that a corrupt content offset size is handled (seed 5577)
|
|
do_test corruptC-2.1 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 2053 [format %02x 0x04]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {PRAGMA integrity_check}
|
|
} {0 {{*** in database main ***
|
|
Tree 3 page 3: free space corruption} {wrong # of entries in index t1i1}}}
|
|
|
|
# test that a corrupt content offset size is handled (seed 5649)
|
|
#
|
|
# Update 2016-12-27: As of check-in [0b86fbca66] "In sqlite3BtreeInsert() when
|
|
# replacing a re-existing row, try to overwrite the cell directly rather than
|
|
# deallocate and reallocate the cell" on 2016-12-09, this test case no longer
|
|
# detects the offset size problem during the UPDATE. We have to run a subsequent
|
|
# integrity_check to see it.
|
|
do_test corruptC-2.2 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 27 [format %02x 0x08]
|
|
hexio_write test.db 233 [format %02x 0x6a]
|
|
hexio_write test.db 328 [format %02x 0x67]
|
|
hexio_write test.db 750 [format %02x 0x1f]
|
|
hexio_write test.db 1132 [format %02x 0x52]
|
|
hexio_write test.db 1133 [format %02x 0x84]
|
|
hexio_write test.db 1220 [format %02x 0x01]
|
|
hexio_write test.db 3688 [format %02x 0xc1]
|
|
hexio_write test.db 3714 [format %02x 0x58]
|
|
hexio_write test.db 3746 [format %02x 0x9a]
|
|
|
|
sqlite3 db test.db
|
|
db eval {UPDATE t1 SET y=1}
|
|
db eval {PRAGMA integrity_check}
|
|
} {/Offset .* out of range/}
|
|
|
|
# test that a corrupt free cell size is handled (seed 13329)
|
|
do_test corruptC-2.3 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 1094 [format %02x 0x76]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {UPDATE t1 SET y=1}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
# test that a corrupt free cell size is handled (seed 169571)
|
|
do_test corruptC-2.4 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 3119 [format %02x 0xdf]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {UPDATE t2 SET y='abcdef-uvwxyz'}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
# test that a corrupt free cell size is handled (seed 169571)
|
|
do_test corruptC-2.5 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 3119 [format %02x 0xdf]
|
|
hexio_write test.db 4073 [format %02x 0xbf]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {BEGIN; UPDATE t2 SET y='abcdef-uvwxyz'; ROLLBACK;}
|
|
catchsql {PRAGMA integrity_check}
|
|
} {0 {{*** in database main ***
|
|
Tree 4 page 4 cell 19: Extends off end of page} {database disk image is malformed}}}
|
|
|
|
# {0 {{*** in database main ***
|
|
# Corruption detected in cell 710 on page 4
|
|
# Multiple uses for byte 661 of page 4
|
|
# Fragmented space is 249 byte reported as 21 on page 4}}}
|
|
|
|
# test that a corrupt free cell size is handled (seed 169595)
|
|
do_test corruptC-2.6 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 619 [format %02x 0xe2]
|
|
hexio_write test.db 3150 [format %02x 0xa8]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {BEGIN; UPDATE t2 SET y='abcdef-uvwxyz'; ROLLBACK;}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
# corruption (seed 178692)
|
|
do_test corruptC-2.7 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 3074 [format %02x 0xa0]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {BEGIN; UPDATE t2 SET y='abcdef-uvwxyz'; ROLLBACK;}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
|
|
# corruption (seed 179069)
|
|
# Obsolete. With single-pass DELETE the corruption in the
|
|
# main database is not detected.
|
|
if 0 {
|
|
do_test corruptC-2.8 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 1393 [format %02x 0x7d]
|
|
hexio_write test.db 84 [format %02x 0x19]
|
|
hexio_write test.db 3287 [format %02x 0x3b]
|
|
hexio_write test.db 2564 [format %02x 0xed]
|
|
hexio_write test.db 2139 [format %02x 0x55]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {BEGIN; DELETE FROM t1 WHERE x>13; ROLLBACK;}
|
|
} {1 {database disk image is malformed}}
|
|
}
|
|
|
|
# corruption (seed 170434)
|
|
#
|
|
# UPDATE: Prior to 3.8.2, this used to return SQLITE_CORRUPT. It no longer
|
|
# does. That is Ok, the point of these tests is to verify that no buffer
|
|
# overruns or overreads can be caused by corrupt databases.
|
|
do_test corruptC-2.9 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 2095 [format %02x 0xd6]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {BEGIN; DELETE FROM t1 WHERE x>13; ROLLBACK;}
|
|
} {0 {}}
|
|
|
|
# corruption (seed 186504)
|
|
do_test corruptC-2.10 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 3130 [format %02x 0x02]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {BEGIN; UPDATE t2 SET y='abcdef-uvwxyz'; ROLLBACK;}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
# corruption (seed 1589)
|
|
do_test corruptC-2.11 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 55 [format %02x 0xa7]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {BEGIN; CREATE TABLE t3 AS SELECT x,3 as y FROM t2 WHERE rowid%5!=0; ROLLBACK;}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
# corruption (seed 14166)
|
|
do_test corruptC-2.12 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 974 [format %02x 0x2e]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {SELECT count(*) FROM sqlite_master;}
|
|
} {1 {malformed database schema (t1i1) - corrupt database}}
|
|
|
|
# corruption (seed 218803)
|
|
do_test corruptC-2.13 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
# insert corrupt byte(s)
|
|
hexio_write test.db 102 [format %02x 0x12]
|
|
|
|
sqlite3 db test.db
|
|
catchsql {BEGIN; CREATE TABLE t3 AS SELECT x,3 as y FROM t2 WHERE rowid%5!=0; ROLLBACK;}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
do_test corruptC-2.14 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
|
|
sqlite3 db test.db
|
|
set blob [string repeat abcdefghij 10000]
|
|
execsql { INSERT INTO t1 VALUES (1, $blob) }
|
|
|
|
sqlite3 db test.db
|
|
set filesize [file size test.db]
|
|
hexio_write test.db [expr $filesize-2048] 00000001
|
|
catchsql {DELETE FROM t1 WHERE rowid = (SELECT max(rowid) FROM t1)}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
# At one point this particular corrupt database was causing a buffer
|
|
# overread. Which caused a crash in a run of all.test once.
|
|
#
|
|
do_test corruptC-2.15 {
|
|
db close
|
|
forcecopy test.bu test.db
|
|
hexio_write test.db 986 b9
|
|
sqlite3 db test.db
|
|
catchsql {SELECT count(*) FROM sqlite_master;}
|
|
} {1 {database disk image is malformed}}
|
|
|
|
#
|
|
# Now test for a series of quasi-random seeds.
|
|
# We loop over the entire file size and touch
|
|
# each byte at least once.
|
|
for {set tn 0} {$tn<$fsize} {incr tn 1} {
|
|
|
|
# setup for test
|
|
db close
|
|
forcecopy test.bu test.db
|
|
sqlite3 db test.db
|
|
|
|
# Seek to a random location in the file, and write a random single byte
|
|
# value. Then do various operations on the file to make sure that
|
|
# the database engine can handle the corruption gracefully.
|
|
#
|
|
set last 0
|
|
for {set i 1} {$i<=512 && !$last} {incr i 1} {
|
|
|
|
db close
|
|
if {$i==1} {
|
|
# on the first corrupt value, use location $tn
|
|
# this ensures that we touch each location in the
|
|
# file at least once.
|
|
set roffset $tn
|
|
} else {
|
|
# insert random byte at random location
|
|
set roffset [random $fsize]
|
|
}
|
|
set rbyte [format %02x [random 255]]
|
|
|
|
# You can uncomment the following to have it trace
|
|
# exactly how it's corrupting the file. This is
|
|
# useful for generating the "seed specific" tests
|
|
# above.
|
|
# set rline "$roffset $rbyte"
|
|
# puts stdout $rline
|
|
|
|
hexio_write test.db $roffset $rbyte
|
|
sqlite3 db test.db
|
|
|
|
# do a few random operations to make sure that if
|
|
# they error, they error gracefully instead of crashing.
|
|
do_test corruptC-3.$tn.($qseed).$i.1 {
|
|
catchsql {SELECT count(*) FROM sqlite_master}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.2 {
|
|
catchsql {SELECT count(*) FROM t1}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.3 {
|
|
catchsql {SELECT count(*) FROM t1 WHERE x>13}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.4 {
|
|
catchsql {SELECT count(*) FROM t2}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.5 {
|
|
catchsql {SELECT count(*) FROM t2 WHERE x<13}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.6 {
|
|
catchsql {BEGIN; UPDATE t1 SET y=1; ROLLBACK;}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.7 {
|
|
catchsql {BEGIN; UPDATE t2 SET y='abcdef-uvwxyz'; ROLLBACK;}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.8 {
|
|
catchsql {BEGIN; DELETE FROM t1 WHERE x>13; ROLLBACK;}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.9 {
|
|
catchsql {BEGIN; DELETE FROM t2 WHERE x<13; ROLLBACK;}
|
|
set x {}
|
|
} {}
|
|
do_test corruptC-3.$tn.($qseed).$i.10 {
|
|
catchsql {BEGIN; CREATE TABLE t3 AS SELECT x,3 as y FROM t2 WHERE rowid%5!=0; ROLLBACK;}
|
|
set x {}
|
|
} {}
|
|
|
|
# check the integrity of the database.
|
|
# once the corruption is detected, we can stop.
|
|
ifcapable {integrityck} {
|
|
set res [ catchsql {PRAGMA integrity_check} ]
|
|
set ans [lindex $res 1]
|
|
if { [ string compare $ans "ok" ] != 0 } {
|
|
set last -1
|
|
}
|
|
}
|
|
# if we are not capable of doing an integrity check,
|
|
# stop after corrupting 5 bytes.
|
|
ifcapable {!integrityck} {
|
|
if { $i > 5 } {
|
|
set last -1
|
|
}
|
|
}
|
|
|
|
# Check that no page references were leaked.
|
|
# TBD: need to figure out why this doesn't work
|
|
# work with ROLLBACKs...
|
|
if {0} {
|
|
do_test corruptC-3.$tn.($qseed).$i.11 {
|
|
set bt [btree_from_db db]
|
|
db_enter db
|
|
array set stats [btree_pager_stats $bt]
|
|
db_leave db
|
|
set stats(ref)
|
|
} {0}
|
|
}
|
|
}
|
|
# end for i
|
|
|
|
}
|
|
# end for tn
|
|
|
|
finish_test
|