fix brk() problem when is_big: stub must munmap all_pages

https://github.com/upx/upx/issues/5 modified: p_lx_elf.cpp modified: p_lx_elf.h
2016-10-15 14:06:56 -07:00
parent f606b5879b
commit 44328aee76
2 changed files with 12 additions and 10 deletions
@@ -81,6 +81,7 @@ protected:
    unsigned sz_pack2a;  // after pack2() of all PT_LOAD
    unsigned lg2_page;  // log2(PAGE_SIZE)
    unsigned page_size;  // 1u<<lg2_page
+    unsigned is_big;  // stub style: must use area above the brk
    unsigned xct_off;  // shared library: file offset of SHT_EXECINSTR
    unsigned hatch_off;  // file offset of escape hatch
    upx_uint64_t load_va;  // PT_LOAD[0].p_vaddr