[ciqlts8_6] Multiple patches tested (3 commits)

[ciq-kernel-automation]

Summary

This PR has been automatically created after successful completion of all CI stages.

Commit Message(s)

smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().

jira VULN-160251
cve CVE-2025-40168
commit-author Kuniyuki Iwashima <kuniyu@google.com>
commit 235f81045c008169cc4e1955b4a64e118eebe61b

net: add skb_header_pointer_careful() helper

jira VULN-176127
cve-pre CVE-2026-23204
commit-author Eric Dumazet <edumazet@google.com>
commit 13e00fdc9236bd4d0bff4109d2983171fbcb74c4
upstream-diff |
	Adjusted context because skb_pointer_if_linear does not exist.
	Introduced in 6f5a630d7c57c ("bpf, net: Introduce skb_pointer_if_linear().")

net/sched: cls_u32: use skb_header_pointer_careful()

jira VULN-176127
cve CVE-2026-23204
commit-author Eric Dumazet <edumazet@google.com>
commit cabd1a976375780dabab888784e356f574bbaed8

Test Results

✅ Build Stage

Architecture	Build Time	Total Time
x86_64	23m 18s	24m 15s
aarch64	9m 52s	10m 30s

• View build logs

✅ Boot Verification

• Status: Passed (all architectures)
• View boot logs

✅ Kernel Selftests

Architecture	Passed	Failed	Compared Against	Status
x86_64	108	31	ciqlts8_6	✅ No regressions
aarch64	66	21	ciqlts8_6	✅ No regressions

• View kselftest logs

✅ LTP Results

Architecture	Passed	Failed	Compared Against	Status
x86_64	N/A	N/A	ciqlts8_6	⚠️ No baseline available
aarch64	N/A	N/A	ciqlts8_6	⚠️ No baseline available

• View LTP logs

---

🤖 This PR was automatically generated by GitHub Actions
Run ID: 24839884545

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🤖 Validation Checks In Progress Workflow run: https://github.com/ctrliq/kernel-src-tree/actions/runs/24848820709

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🔍 Interdiff Analysis

• ⚠️ PR commit 49c0b7900d67 (net: add skb_header_pointer_careful() helper) → upstream 13e00fdc9236
  Differences found:

################################################################################
!    REJECTED PATCH2 HUNKS - could not be compared; manual review needed       !
################################################################################

--- b/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -4301,6 +4301,18 @@
 				    skb_headlen(skb), buffer);
 }
 
+/* Variant of skb_header_pointer() where @offset is user-controlled
+ * and potentially negative.
+ */
+static inline void * __must_check
+skb_header_pointer_careful(const struct sk_buff *skb, int offset,
+			   int len, void *buffer)
+{
+	if (unlikely(offset < 0 && -offset > skb_headroom(skb)))
+		return NULL;
+	return skb_header_pointer(skb, offset, len, buffer);
+}
+
 static inline void * __must_check
 skb_pointer_if_linear(const struct sk_buff *skb, int offset, int len)
 {

================================================================================
*    CONTEXT DIFFERENCES - surrounding code differences between the patches    *
================================================================================

--- b/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3687,6 +3687,6 @@
 				    skb_headlen(skb), buffer);
 }
 
-/**
- *	skb_needs_linearize - check if we need to linearize a given skb
- *			      depending on the given device features.
+static inline void * __must_check
+skb_pointer_if_linear(const struct sk_buff *skb, int offset, int len)
+{

This is an automated interdiff check for backported commits.

[github-actions]

✅ Validation checks completed successfully View full results: https://github.com/ctrliq/kernel-src-tree/actions/runs/24848820709

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