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Investigate if there is a potential code path where verifier validates a bpf byte code that passes null pointer to a map helper function. #4017

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Alan-Jowett opened this issue Nov 15, 2024 · 0 comments
Open

Investigate if there is a potential code path where verifier validates a bpf byte code that passes null pointer to a map helper function. #4017

Alan-Jowett opened this issue Nov 15, 2024 · 0 comments
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@Alan-Jowett
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optimization Affects perf but not correctness or applicability P2 tests triaged Discussed in a triage meeting
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2411

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@Alan-Jowett
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During runs of the bpf2c fuzzer, there are crashes with NULL map pointers.

This is either a verifier bug or a bpf2c bug, needs to be investigated.
@shankarseal shankarseal added triaged Discussed in a triage meeting tests P3 labels Nov 18, 2024
@shankarseal shankarseal added this to the 2502 milestone Nov 18, 2024
@shankarseal shankarseal added P1 and removed P3 labels Nov 18, 2024
@shankarseal shankarseal modified the milestones: 2502, 2411 Nov 18, 2024
@shankarseal shankarseal changed the title bpf2c fuzzer crashes with null map pointer Investigate if there is a potential code path where verifier validates a bpf byte code that passes null pointer to a map helper function. Nov 18, 2024
@shankarseal shankarseal added optimization Affects perf but not correctness or applicability P2 and removed P1 labels Nov 18, 2024
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optimization Affects perf but not correctness or applicability P2 tests triaged Discussed in a triage meeting
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