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aarch64适配调试遇到的两个segment fault？ #830

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GitsForHuster opened this issue Jul 16, 2024 · 0 comments
Open

aarch64适配调试遇到的两个segment fault？ #830

GitsForHuster opened this issue Jul 16, 2024 · 0 comments

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@GitsForHuster
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1、vsetzoneslab函数的segment fault；

uma_startup1->("UMA Kegs") zone_ctor->keg_ctor->keg_layout-> keg->uk_flags |= UMA_ZFLAG_VTOSLAB; (大于一个page)
->("UMA Zones")zone_ctor->uma_kcreate->zone_import->keg_fetch_slab->keg_alloc_slab->vsetzoneslab (访问未初始化的hash数组 uma_page_slab_hash)；

uma_page_slab_hash初始化需提前；
image

2、cache_alloc函数的segment fault;

访问pcpup即x18寄存器的值为NULL，导致的segment fault；
image
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