b8a0c52c847baf133e08f19f69759eb8a5de1a2c - libutils: asan: skip global unpoison for bget-backed globals

Thu, 08 Jan 2026 11:20:22 +0000

libutils: asan: skip global unpoison for bget-backed globalsTrack ASan user-region type at map time and mark bget pool backing rangesas ASAN_REG_MEM_POOL.Global registration currently unpoisons globals via asan_tag_access().For globals used as bget pool backing storage, this overwrites the initialpool shadow state (ASAN_HEAP_RED_ZONE, heap-free) and breaks expectedallocator poisoning semantics.Skip global unpoison for globals that contain a memory-pool backing range,while keeping normal redzone handling for those globals. Update ASanmapping call sites to pass region type (STACK, ELF, MEM_POOL, NO_TYPE).Signed-off-by: Aleksandr Iashchenko Reviewed-by: Jens Wiklander List of files: /optee_os/ldelf/asan.c

4cafd8a3f88594ce06758c2a85b59c2d32a6ac7e - asan: add ldelf support and user shadow mapping infrastructure

Fri, 19 Dec 2025 16:45:04 +0000

asan: add ldelf support and user shadow mapping infrastructureThis commit enables ASan support in ldelf and introduces infrastructurefor mapping ASan shadow regions in user space. With these changes,ASan built with CFG_CORE_SANITIZE_KADDRESS is no longer limited tothe core and can also operate in ldelf.Signed-off-by: Aleksandr Iashchenko Reviewed-by: Jens Wiklander List of files: /optee_os/ldelf/asan.c

Changes in asan.c

b8a0c52c847baf133e08f19f69759eb8a5de1a2c - libutils: asan: skip global unpoison for bget-backed globals

4cafd8a3f88594ce06758c2a85b59c2d32a6ac7e - asan: add ldelf support and user shadow mapping infrastructure