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Fix.loader.dynamic#644
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added 30 commits
October 10, 2025 18:17
- introduce ia2_loader gate TLS flag and counters so PartitionAlloc can detect loader allocations and force pkey 1 (see docs/loader_partitionalloc_mpk_summary.md) - wrap dlopen/dlsym/mmap/mremap to enter the loader gate and retag anonymous mappings with pkey 1 using pkey_mprotect - add ia2_tag_link_map retag API plus tests that ensure ld.so stays on pkey 1 and loader operations increment the new counters
Filter dlopen/dlmopen by basename to retag system libs to pkey 1, preserve app compartments
Validates that file-backed DSO mappings loaded via dlopen retain their default pkey instead of being retagged to the loader's pkey 1.
ci: add libc compartment coverage row
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