diff options
Diffstat (limited to 'arch/um/os-Linux/elf_aux.c')
| -rw-r--r-- | arch/um/os-Linux/elf_aux.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c index f0d6060e3e57..9416e1c29926 100644 --- a/arch/um/os-Linux/elf_aux.c +++ b/arch/um/os-Linux/elf_aux.c @@ -9,8 +9,10 @@ */ #include <elf.h> #include <stddef.h> +#include <asm/elf.h> #include "init.h" #include "elf_user.h" +#include "mem_user.h" #if ELF_CLASS == ELFCLASS32 typedef Elf32_auxv_t elf_auxv_t; @@ -40,6 +42,9 @@ __init void scan_elf_aux( char **envp) break; case AT_SYSINFO_EHDR: vsyscall_ehdr = auxv->a_un.a_val; + /* See if the page is under TASK_SIZE */ + if (vsyscall_ehdr < (unsigned long) envp) + vsyscall_ehdr = 0; break; case AT_HWCAP: elf_aux_hwcap = auxv->a_un.a_val; |