[PATCH] get rid of leak in compat_execve()
Even though copy_compat_strings() doesn't cache the pages,
copy_strings_kernel() and stuff indirectly called by e.g.
->load_binary() is doing that, so we need to drop the
cache contents in the end.
[found by WANG Cong <wangcong@zeuux.org>]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index b512e48..ee0ed48 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -99,6 +99,7 @@
extern void compute_creds(struct linux_binprm *binprm);
extern int do_coredump(long signr, int exit_code, struct pt_regs * regs);
extern int set_binfmt(struct linux_binfmt *new);
+extern void free_bprm(struct linux_binprm *);
#endif /* __KERNEL__ */
#endif /* _LINUX_BINFMTS_H */