better checking of DT_STRSZ for ELF

https://github.com/upx/upx/issues/779 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66064 modified: p_lx_elf.cpp modified: p_lx_elf.h
2024-01-27 11:11:07 -08:00
parent ff5a4eeb96
commit 69c51eee4d
2 changed files with 27 additions and 15 deletions
@@ -84,8 +84,8 @@ protected:
    MemBuffer mb_shdr;      // Shdr might not be near Phdr
    MemBuffer mb_dt_offsets;  // file offset of various DT_ tables
    unsigned *dt_offsets;  // index by dt_table[]
-    unsigned symnum_end;
-    unsigned strtab_end;
+    unsigned symnum_max;
+    unsigned strtab_max;
    char const *dynstr;   // from DT_STRTAB

    unsigned sz_phdrs;  // sizeof Phdr[]