[202311][FRR] Fix zebra memory leak when bgp fib suppress pending is enabled #17977
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…onic-net#17484) Fix zebra leaking memory with fib suppress enabled. Porting the fix from FRRouting/frr#14983 While running test_stress_route.py, systems with lower memory started to throw low memory logs. On further investigation, a memory leak has been found in zebra which was fixed in the FRR community.
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Manual cherry-pick of #17484
Why I did it
Fix zebra leaking memory with fib suppress enabled. Porting the fix from FRRouting/frr#14983
While running test_stress_route.py, systems with lower memory started to throw low memory logs. On further investigation, a memory leak has been found in zebra which was fixed in the FRR community.
Work item tracking
How I did it
Creating patch for with the fix
How to verify it
Running test_stress_route.py and confirming that there is no memory leak in zebra after the completion of the test
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)