Ensure null bytes in resolved path are handled

[ijjk]

This ensures we remove null bytes from the resolved path as it isn't valid when using path/fs. Additional tests have been added to ensure this is handled properly.

Bug

• Related issues linked using fixes #number
• Integration tests added
• Errors have helpful link attached, see contributing.md

Fixes: #30298

[ijjk]

Stats from current PR

Default Build (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
buildDuration	21.3s	21.6s	⚠️ +323ms
buildDurationCached	4.5s	4.2s	-346ms
nodeModulesSize	198 MB	198 MB	⚠️ +120 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.757	3.864	⚠️ +0.11
/ avg req/sec	665.44	647.05	⚠️ -18.39
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	2.188	2.154	-0.03
/error-in-render avg req/sec	1142.7	1160.79	+18.09

Client Bundles (main, webpack, commons)

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
450.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	27.7 kB	27.7 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	71.5 kB	71.5 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
_app-HASH.js gzip	1.23 kB	1.23 kB	✓
_error-HASH.js gzip	194 B	194 B	✓
amp-HASH.js gzip	312 B	312 B	✓
css-HASH.js gzip	327 B	327 B	✓
dynamic-HASH.js gzip	2.38 kB	2.38 kB	✓
head-HASH.js gzip	350 B	350 B	✓
hooks-HASH.js gzip	635 B	635 B	✓
image-HASH.js gzip	4.44 kB	4.44 kB	✓
index-HASH.js gzip	263 B	263 B	✓
link-HASH.js gzip	1.87 kB	1.87 kB	✓
routerDirect..HASH.js gzip	321 B	321 B	✓
script-HASH.js gzip	383 B	383 B	✓
withRouter-HASH.js gzip	318 B	318 B	✓
334f979574ae..6f4.css gzip	106 B	106 B	✓
Overall change	13.1 kB	13.1 kB	✓

Client Build Manifests

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
_buildManifest.js gzip	459 B	459 B	✓
Overall change	459 B	459 B	✓

Rendered Page Sizes

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
index.html gzip	533 B	533 B	✓
link.html gzip	546 B	546 B	✓
withRouter.html gzip	527 B	527 B	✓
Overall change	1.61 kB	1.61 kB	✓

---

Default Build with SWC (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
buildDuration	18.9s	18.9s	✓
buildDurationCached	4.5s	4.4s	-36ms
nodeModulesSize	198 MB	198 MB	⚠️ +120 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.819	3.902	⚠️ +0.08
/ avg req/sec	654.61	640.64	⚠️ -13.97
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	2.004	2.04	⚠️ +0.04
/error-in-render avg req/sec	1247.45	1225.72	⚠️ -21.73

Client Bundles (main, webpack, commons)

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
450.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	27.8 kB	27.8 kB	✓
webpack-HASH.js gzip	1.43 kB	1.43 kB	✓
Overall change	71.6 kB	71.6 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
_app-HASH.js gzip	1.22 kB	1.22 kB	✓
_error-HASH.js gzip	180 B	180 B	✓
amp-HASH.js gzip	305 B	305 B	✓
css-HASH.js gzip	321 B	321 B	✓
dynamic-HASH.js gzip	2.38 kB	2.38 kB	✓
head-HASH.js gzip	342 B	342 B	✓
hooks-HASH.js gzip	621 B	621 B	✓
image-HASH.js gzip	4.46 kB	4.46 kB	✓
index-HASH.js gzip	256 B	256 B	✓
link-HASH.js gzip	1.9 kB	1.9 kB	✓
routerDirect..HASH.js gzip	314 B	314 B	✓
script-HASH.js gzip	375 B	375 B	✓
withRouter-HASH.js gzip	309 B	309 B	✓
334f979574ae..6f4.css gzip	106 B	106 B	✓
Overall change	13.1 kB	13.1 kB	✓

Client Build Manifests

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
_buildManifest.js gzip	459 B	459 B	✓
Overall change	459 B	459 B	✓

Rendered Page Sizes

	vercel/next.js canary	ijjk/next.js fix/trace-null-bytes	Change
index.html gzip	534 B	534 B	✓
link.html gzip	546 B	546 B	✓
withRouter.html gzip	528 B	528 B	✓
Overall change	1.61 kB	1.61 kB	✓

Commit: 0cb4d05