diff options
| -rw-r--r-- | sys/kern/link_elf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/link_elf.c b/sys/kern/link_elf.c index b4f6586..3b03d6f 100644 --- a/sys/kern/link_elf.c +++ b/sys/kern/link_elf.c @@ -1544,6 +1544,10 @@ elf_lookup(linker_file_t lf, Elf_Size symidx, int deps, Elf_Addr *res) } addr = ((Elf_Addr)linker_file_lookup_symbol(lf, symbol, deps)); + if (addr == 0 && ELF_ST_BIND(sym->st_info) != STB_WEAK) { + *res = 0; + return (EINVAL); + } if (elf_set_find(&set_pcpu_list, addr, &start, &base)) addr = addr - start + base; |
