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) ## Problem Fuzzilli hit a flaky SIGSEGV (fingerprint `2519cad1804eace1`) from: ```js const v13 = Bun.jest().vi; try { v13.mock("function f2() {\n const v6 = new ArrayBuffer();\n ...\n}"); } catch (e) {} Bun.gc(true); ``` `JSMock__jsModuleMock` calls `Bun__resolveSyncWithSource` on the specifier before validating the callback, which sends the garbage string through the resolver. The resolver's auto-install gate at `loadNodeModules` only checks `esm_ != null`; `ESModule.Package.parse` accepts anything that doesn't start with `.` or contain `\` / `%`, so the whole function source is treated as a package name. `enqueueDependencyToRoot` then calls `PackageManager.sleepUntil`, which re-enters `EventLoop.tick()` from inside a call that is itself running inside an event-loop tick: ``` #0 ConcurrentTask.PackedNextPtr.atomicLoadPtr #1 UnboundedQueue(ConcurrentTask).popBatch #3 event_loop.tickConcurrentWithCount #7 AnyEventLoop.tick #8 PackageManager.sleepUntil #9 PackageManager.enqueueDependencyToRoot #10 Resolver.resolveAndAutoInstall #16 Bun__resolveSyncWithSource #17 JSMock__jsModuleMock ``` The same path is reachable from `Bun.resolveSync`, `import()`, and `require.resolve` with any user-provided string. ## Fix Gate the auto-install branch on `strings.isNPMPackageName(esm_.?.name)`. That validator already exists and is used by `bun link`, `bun pm view`, and the bundler; it rejects newlines, spaces, braces, and anything else that could never be a registry package. Specifiers failing the check fall straight through to `.not_found` — the same result the registry fetch would eventually produce — without initializing the package manager or ticking the event loop. This is a resolver-level fix, so it covers every entry point (not just `mock.module`). It also avoids spurious network requests for garbage specifiers; on this container a single resolve of a multi-line specifier dropped from ~275ms to ~16ms. ## Tests - `test/js/bun/resolve/resolve-autoinstall-invalid-name.test.ts` stands up a local registry and verifies zero manifest requests for a set of invalid names with `--install=force`, plus a positive control that a valid name still hits the registry. - `test/js/bun/test/mock/mock-module-non-string.test.ts` gains a case for `mock.module` with newline / whitespace / bracket specifiers (with and without a callback). - Existing `test/cli/run/run-autoinstall.test.ts` (11 tests) and `test/js/bun/test/mock/mock-module.test.ts` all pass. Related: oven-sh#28945, oven-sh#28956, oven-sh#28500, oven-sh#28511. Fingerprint: `2519cad1804eace1`
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What does this PR do?
Updates SQLite to version 3.53.0
Compare: https://sqlite.org/src/vdiff?from=3.51.2&to=3.53.0
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