Merge pull request #60 from DataDog/bryce.kahle/4-14-version-fix

Fix kernel version sublevel on 4.14 branch
DataDog · Nov 16, 2021 · af58708 · af58708
2 parents 3709b75 + fcae3c8
commit af58708
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diff --git a/kernel_version.go b/kernel_version.go
@@ -51,6 +51,13 @@ func KernelVersionFromReleaseString(releaseString string) (uint32, error) {
 	if len(versionParts) >= 4 {
 		patch, _ = strconv.ParseUint(versionParts[3], 10, 8)
 	}
+
+	// clamp patch/sublevel to 255 EARLY in 4.14.252 because they merged this too early:
+	// https://github.com/torvalds/linux/commit/e131e0e880f942f138c4b5e6af944c7ddcd7ec96
+	if major == 4 && minor == 14 && patch >= 252 {
+		patch = 255
+	}
+
 	out := major*256*256 + minor*256 + patch
 	return uint32(out), nil
 }

diff --git a/kernel_version_test.go b/kernel_version_test.go
@@ -40,6 +40,7 @@ var testData = []struct {
 	{true, "4.1.", 262400},
 	{true, "4.1", 262400},
 	{true, "4.19-ovh", 267008},
+	{true, "4.14.252", kernelVersion: 265983},
 }
 
 func TestKernelVersionFromReleaseString(t *testing.T) {