selftests/bpf: add selftest part of "bpf: improve verifier branch analysis"
Backport the missing selftest part of commit 7da6cd69 ("bpf: improve verifier branch analysis") in order to fix the following test_verifier failures: ... Unexpected success to load! 0: (b7) r0 = 0 1: (75) if r0 s>= 0x0 goto pc+1 3: (95) exit processed 3 insns (limit 131072), stack depth 0 Unexpected success to load! 0: (b7) r0 = 0 1: (75) if r0 s>= 0x0 goto pc+1 3: (95) exit processed 3 insns (limit 131072), stack depth 0 ... The changesets apply with a minor context difference. Fixes: 7da6cd69 ("bpf: improve verifier branch analysis") Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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737f5f3a
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