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authorDaniel T. Lee2019-04-04 00:17:55 +0200
committerDaniel Borkmann2019-04-04 16:43:46 +0200
commit0979ff7992fb6f4eb837995b12f4071dcafebd2d (patch)
tree82e7bbd768ae68415384cf0d39384857157e29e2 /samples
parentMerge branch 'bpf-verifier-scalability' (diff)
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selftests/bpf: ksym_search won't check symbols exists
Currently, ksym_search located at trace_helpers won't check symbols are existing or not. In ksym_search, when symbol is not found, it will return &syms[0](_stext). But when the kernel symbols are not loaded, it will return NULL, which is not a desired action. This commit will add verification logic whether symbols are loaded prior to the symbol search. Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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