[lts86] github actions: Fix upstream commit check for forks #543
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The upstream commit check workflow was failing for pull requests originating from forked repositories. The previous implementation incorrectly assumed the pull request branch existed on the base repository. This commit corrects the workflow to ensure the pull request branch is checked out from the correct source repository, while the base branch is fetched from the target repository.
bmastbergen
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PlaidCat,
kerneltoast,
shreeya-patel98 and
thefossguy-ciq
shreeya-patel98
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Sep 3, 2025
bmastbergen
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bmastbergen_ciqlts8_6-upstream-commit-checker-forked
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PlaidCat
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Sep 12, 2025
jira VULN-8933 jira VULN-8932 cve CVE-2024-26665 commit-author Antoine Tenart <[email protected]> commit d75abee If the ICMPv6 error is built from a non-linear skb we get the following splat, BUG: KASAN: slab-out-of-bounds in do_csum+0x220/0x240 Read of size 4 at addr ffff88811d402c80 by task netperf/820 CPU: 0 PID: 820 Comm: netperf Not tainted 6.8.0-rc1+ #543 ... kasan_report+0xd8/0x110 do_csum+0x220/0x240 csum_partial+0xc/0x20 skb_tunnel_check_pmtu+0xeb9/0x3280 vxlan_xmit_one+0x14c2/0x4080 vxlan_xmit+0xf61/0x5c00 dev_hard_start_xmit+0xfb/0x510 __dev_queue_xmit+0x7cd/0x32a0 br_dev_queue_push_xmit+0x39d/0x6a0 Use skb_checksum instead of csum_partial who cannot deal with non-linear SKBs. Fixes: 4cb47a8 ("tunnels: PMTU discovery support for directly bridged IP packets") Signed-off-by: Antoine Tenart <[email protected]> Reviewed-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]> (cherry picked from commit d75abee) Signed-off-by: Jonathan Maple <[email protected]>
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The upstream commit check workflow was failing for pull requests originating from forked repositories. The previous implementation incorrectly assumed the pull request branch existed on the base repository.
This commit corrects the workflow to ensure the pull request branch is checked out from the correct source repository, while the base branch is fetched from the target repository.