Fuzz testing of execution context

[Alan-Jowett]

Signed-off-by: Alan Jowett alanjo@microsoft.com

Description

Add a test pass that fuzzes the EBPF execution context.

Testing

CI/CD

Documentation

N/A

Address part of #620

[codecov]

Codecov Report

Merging #896 (fea6019) into main (54516ec) will increase coverage by 0.57%.
The diff coverage is 83.65%.

@@            Coverage Diff             @@
##             main     #896      +/-   ##
==========================================
+ Coverage   80.23%   80.80%   +0.57%     
==========================================
  Files          84       85       +1     
  Lines       14791    14887      +96     
  Branches      488      488              
==========================================
+ Hits        11867    12030     +163     
+ Misses       2633     2566      -67     
  Partials      291      291              

Impacted Files	Coverage Δ
libs/execution_context/ebpf_native.c	67.16% <ø> (+4.03%)	⬆️
libs/platform/ebpf_platform.h	100.00% <ø> (ø)
libs/platform/user/ebpf_platform_user.cpp	78.72% <ø> (ø)
libs/execution_context/ebpf_core.c	87.60% <66.66%> (+4.46%)	⬆️
tests/fuzz/execution_context.cpp	83.52% <83.52%> (ø)
libs/platform/ebpf_object.c	95.59% <100.00%> (+1.25%)	⬆️
libs/platform/user/ebpf_handle_user.c	76.71% <100.00%> (ø)
tests/end_to_end/test_helper.cpp	84.64% <100.00%> (+0.12%)	⬆️
libs/api/ebpf_api.cpp	76.76% <0.00%> (+0.11%)	⬆️
libs/execution_context/ebpf_program.c	77.16% <0.00%> (+0.35%)	⬆️
... and 5 more

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[dthaler]

Please update PR description to reference issue #620. You might also want to explain the relationship to issue #709

[dthaler]

Looks ok, though I updated the PR description to say it only addresses part, not all, of 620, and updated 620 with a bulleted list of which this PR addresses the first one.