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Fix stack access with bpf2bpf calls #721

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Fix stack access with bpf2bpf calls #721

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Commits on Oct 10, 2024

  1. Add test case 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 10, 2024
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  2. Update r10 for call local and exit 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 10, 2024
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Commits on Oct 11, 2024

  1. Havoc stack on return from a subprogram 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 11, 2024
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  2. Increase subprogram stack size to 512 

    So we don't have to test whether subprograms exist or not for now

Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 11, 2024
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  3. Add test case with multiple stack levels 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 11, 2024
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  4. Add test case for accessing beyond end of subprogram stack 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 11, 2024
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  5. Simplify code 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 11, 2024
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  6. Don't change r10 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 11, 2024
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  7. Address coderabbit suggestions 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 11, 2024
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  8. Fix bug hit by a test 

    Signed-off-by: Dave Thaler <[email protected]>
    @dthaler
    dthaler committed Oct 11, 2024
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