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Backport 2364 - #2426
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Backport 2364#2426
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A cyclic Profile @extends chain (A extends B extends A) recursed until the stack overflowed, both directly and indirectly via policy creation (_xccdf_policy_add_profile_selectors -> xccdf_policy_model_get_policy_by_id -> xccdf_policy_new -> back here). Track nesting in a file-static counter and abort past a sane depth. Also use NULL-safe comparison for the shadowing check. Note: a sibling unbounded-recursion fix for cyclic ARF catalog component-refs lives in src/DS/sds.c, which is on the memory-corruption branch because it is coupled with the use-after-free fix in the same function.
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jan-cerny
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Oct 5, 2026
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I have confirmed that the PR is the same as the linked PR and correctly backports the linked PR to the target branch.
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Backport #2364