Deprecate a.out ELF interpreters

[linux-2.6-omap-h63xx.git] / fs / binfmt_elf.c

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 3dc6a123fa10d148ad110afc03032400a50cab52..66cd711a6b1a392733187b4c72d8e6dc5cc6b919 100644 (file)
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -730,6 +730,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
 
        /* Some simple consistency checks for the interpreter */
        if (elf_interpreter) {
+               static int warn;
                interpreter_type = INTERPRETER_ELF | INTERPRETER_AOUT;
 
                /* Now figure out which format our binary is */
@@ -741,6 +742,13 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                if (memcmp(loc->interp_elf_ex.e_ident, ELFMAG, SELFMAG) != 0)
                        interpreter_type &= ~INTERPRETER_ELF;
 
+               if (interpreter_type == INTERPRETER_AOUT && warn < 10) {
+                       printk(KERN_WARNING "a.out ELF interpreter %s is "
+                               "deprecated and will not be supported "
+                               "after Linux 2.6.25\n", elf_interpreter);
+                       warn++;
+               }
+
                retval = -ELIBBAD;
                if (!interpreter_type)
                        goto out_free_dentry;