[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/fs/compat.c b/fs/compat.c
index 332a869..ed43e17 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1405,7 +1405,7 @@
/* execve success */
security_bprm_free(bprm);
acct_update_integrals(current);
- kfree(bprm);
+ free_bprm(bprm);
return retval;
}
@@ -1424,7 +1424,7 @@
}
out_kfree:
- kfree(bprm);
+ free_bprm(bprm);
out_ret:
return retval;