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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Xenial)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1868243
Title:
ld_abs+vlan_push/pop from ubuntu_bpf_jit will fail on X s390x
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Xenial:
Incomplete
Bug description:
Issue separated from bug 1768452
The ubuntu_bpf_jit will report the following failure on Xenial s390x:
* test_bpf: #250 BPF_MAXINSNS: ld_abs+vlan_push/pop FAIL to select_runtime
err=-524
This test has been moved to the test_verifier test in bpf of kselftests:
https://github.com/torvalds/linux/commit/93731ef086cee90af594e62874bb98ae6d6eee91
"Remove all eBPF tests involving LD_ABS/LD_IND from test_bpf.ko. Reason
is that the eBPF tests from test_bpf module do not go via BPF verifier
and therefore any instruction rewrites from verifier cannot take place.
Therefore, move them into test_verifier which runs out of user space,
so that verfier can rewrite LD_ABS/LD_IND internally in upcoming patches.
It will have the same effect since runtime tests are also performed from
there. This also allows to finally unexport bpf_skb_vlan_{push,pop}_proto
and keep it internal to core kernel."
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