011-dlsym_rtld_next_fix.patch 917 B

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  1. --- a/ldso/libdl/libdl.c
  2. +++ b/ldso/libdl/libdl.c
  3. @@ -671,7 +671,7 @@ static void *do_dlsym(void *vhandle, con
  4. {
  5. struct elf_resolve *tpnt, *tfrom;
  6. struct dyn_elf *handle;
  7. - ElfW(Addr) from;
  8. + ElfW(Addr) from = 0;
  9. struct dyn_elf *rpnt;
  10. void *ret;
  11. struct symbol_ref sym_ref = { NULL, NULL };
  12. @@ -729,7 +729,12 @@ static void *do_dlsym(void *vhandle, con
  13. tpnt = NULL;
  14. if (handle == _dl_symbol_tables)
  15. tpnt = handle->dyn; /* Only search RTLD_GLOBAL objs if global object */
  16. - ret = _dl_find_hash(name2, &handle->dyn->symbol_scope, tpnt, ELF_RTYPE_CLASS_DLSYM, &sym_ref);
  17. + do {
  18. + ret = _dl_find_hash(name2, &handle->dyn->symbol_scope, tpnt, ELF_RTYPE_CLASS_DLSYM, &sym_ref);
  19. + if (ret != NULL)
  20. + break;
  21. + handle = handle->next;
  22. + } while (from && handle);
  23. #if defined(USE_TLS) && USE_TLS && defined SHARED
  24. if (sym_ref.sym && (ELF_ST_TYPE(sym_ref.sym->st_info) == STT_TLS) && (sym_ref.tpnt)) {