fix: dangling pointer and mixed-signedness warning #2124

Job	Run time
build-test-e2e-amd64 😇 (bundled_deps)	23m 22s
build-test-e2e-arm64 😇 (bundled_deps)	45m 10s
test-e2e-amd64-kmod 😇 (bundled_deps)	9m 2s
test-e2e-amd64-bpf 😇 (bundled_deps)	11m 18s
test-e2e-amd64-modern-bpf 😇 (bundled_deps)	10m 34s
test-e2e-arm64-kmod 😇 (bundled_deps)	18m 53s
test-e2e-arm64-bpf 😇 (bundled_deps)	21m 38s
test-e2e-arm64-modern-bpf 😇 (bundled_deps)	6h 0m 15s
	8h 20m 12s

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