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Reduce the maximum size of LIKE and GLOB patterns in the ossfuzz.c test

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module to avoid false-positive infinite loop reports from OSS-Fuzz based
on long and complex fuzzer-generated LIKE/GLOB patterns that are not actually
infinite loops, but which do take a long time to resolve.

FossilOrigin-Name: 53edea286b0a38f4f9c7017276f3a826037919144d517f8c89ef0f35b65af5f1
This commit is contained in:
drh
2025-10-19 17:30:07 +00:00
parent efe8ae567c
commit d41f5ef7e6
3 changed files with 12 additions and 7 deletions
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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 */
sqlite3_limit(cx.db, SQLITE_LIMIT_VDBE_OP, 25000);
/* Set a limit on the maximum LIKE or GLOB pattern length due to
** https://issues.oss-fuzz.com/issues/453240497. The default is 50K
** which is causing timeouts in OSS-Fuzz */
sqlite3_limit(cx.db, SQLITE_LIMIT_LIKE_PATTERN_LENGTH, 250);
/* Limit total memory available to SQLite to 20MB */
sqlite3_hard_heap_limit64(20000000);