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Set a low limit on the length of strings and blobs in the OSSFuzz module, 

in an effort to avoid timeouts when the fuzzer does things like
"randomblob(1e12)".

FossilOrigin-Name: 119d1609fa415894fdd0aa19440ca1c658bd01910838a4cfadbe0e304b033bfd
This commit is contained in:
drh 2019-01-29 02:37:22 +00:00
parent 3967d946c7
commit 4a7e9a25b6
3 changed files with 12 additions and 8 deletions
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13
manifest
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@ -1,5 +1,5 @@
C Fix\sthe\squery\splanner\sso\sthat\sit\sis\sable\sto\suse\san\sindex\son\sa\sCAST\sexpression. C Set\sa\slow\slimit\son\sthe\slength\sof\sstrings\sand\sblobs\sin\sthe\sOSSFuzz\smodule,\nin\san\seffort\sto\savoid\stimeouts\swhen\sthe\sfuzzer\sdoes\sthings\slike\n"randomblob(1e12)".
D 2019-01-28T19:06:17.490 D 2019-01-29T02:37:22.889
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F Makefile.in 9947eae873c07ae894d4c8633b76c0a0daca7b9fd54401096a77d1a6c7b74359 F Makefile.in 9947eae873c07ae894d4c8633b76c0a0daca7b9fd54401096a77d1a6c7b74359
@ -1179,7 +1179,7 @@ F test/orderby7.test 3d1383d52ade5b9eb3a173b3147fdd296f0202da
F test/orderby8.test 23ef1a5d72bd3adcc2f65561c654295d1b8047bd F test/orderby8.test 23ef1a5d72bd3adcc2f65561c654295d1b8047bd
F test/orderby9.test 87fb9548debcc2cd141c5299002dd94672fa76a3 F test/orderby9.test 87fb9548debcc2cd141c5299002dd94672fa76a3
F test/oserror.test e7b3416be4b9d5dd2fe0b42dd394daaddbb6c83eeec1f0e47b120b53e0ad3ace F test/oserror.test e7b3416be4b9d5dd2fe0b42dd394daaddbb6c83eeec1f0e47b120b53e0ad3ace
F test/ossfuzz.c 273eaea2d65b70d77ea4f01404114b9e0244488943f768dc39458c72bd722e0e F test/ossfuzz.c 18af635fa73d12a109b305faca727a734c1fa28a421b161d9d15c5a84a4998a2
F test/ossshell.c f125c5bd16e537a2549aa579b328dd1c59905e7ab1338dfc210e755bb7b69f17 F test/ossshell.c f125c5bd16e537a2549aa579b328dd1c59905e7ab1338dfc210e755bb7b69f17
F test/ovfl.test 199c482696defceacee8c8e0e0ef36da62726b2f F test/ovfl.test 199c482696defceacee8c8e0e0ef36da62726b2f
F test/pager1.test 1e9ee778bdeaf4f7f09997d029cdaca6a42dfc2092edafe4f5e590acbf1eab13 F test/pager1.test 1e9ee778bdeaf4f7f09997d029cdaca6a42dfc2092edafe4f5e590acbf1eab13
@ -1804,8 +1804,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P a9faf9033910927c74553e66c474d84ed3386f263cef3eec299e25d8306f410d c4db0ad12d4f3d2800d36404f391b325cdc4aa7f8dcea93b2d63a489d9095ad4 P 2c886f3d49c9569e9f6ee28b89b57e2d4004c8972d11da0c23f7b2d2e0c9900a
R 54fc32c05e999eaa7483855f7fbb2719 R ef986afd8b8f6d7a6be0edfceebfc371
T +closed c4db0ad12d4f3d2800d36404f391b325cdc4aa7f8dcea93b2d63a489d9095ad4
U drh U drh
Z d2bf11950d89b1b09c3cca064a694bb6 Z e752816e40989f14dc990fea8dbd374e

2
manifest.uuid
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@ -1 +1 @@
2c886f3d49c9569e9f6ee28b89b57e2d4004c8972d11da0c23f7b2d2e0c9900a 119d1609fa415894fdd0aa19440ca1c658bd01910838a4cfadbe0e304b033bfd

5
test/ossfuzz.c
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@ -155,6 +155,11 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
/* Set a limit on the maximum size of a prepared statement */ /* Set a limit on the maximum size of a prepared statement */
sqlite3_limit(cx.db, SQLITE_LIMIT_VDBE_OP, 25000); sqlite3_limit(cx.db, SQLITE_LIMIT_VDBE_OP, 25000);
/* Set a limit on the maximum length of a string or BLOB. Without this
** limit, fuzzers will invoke randomblob(N) for a large N, and the process
** will timeout trying to generate the huge blob */
sqlite3_limit(cx.db, SQLITE_LIMIT_LENGTH, 50000);
/* Bit 1 of the selector enables foreign key constraints */ /* Bit 1 of the selector enables foreign key constraints */
sqlite3_db_config(cx.db, SQLITE_DBCONFIG_ENABLE_FKEY, uSelector&1, &rc); sqlite3_db_config(cx.db, SQLITE_DBCONFIG_ENABLE_FKEY, uSelector&1, &rc);
uSelector >>= 1; uSelector >>= 1;