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| /freebsd-11.0-release/lib/libmemstat/ | ||
| H A D | memstat_uma.c | diff 155550 Sat Feb 11 19:19:29 MST 2006 rwatson The uma_zone data structure defines the size of its uz_cpu[] array as 1, but then sizes the containing data structure at run-time to make room for per-cpu cache data. Modify libmemstat to separately allocate a buffer to hold per-cpu cache data, sized based on the run-time mp_maxid variable when using libkvm to access UMA data. This avoids reading invalid cache data from beyond the end of the uma_zone data structure on the stack, which can result in invalid statistics and/or reads from invalid kernel addresses. Foot target practice by: ps MFC after: 3 days |
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