summaryrefslogtreecommitdiffstats
path: root/include/uapi/linux/binfmts.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/binfmts.h')
-rw-r--r--include/uapi/linux/binfmts.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/uapi/linux/binfmts.h b/include/uapi/linux/binfmts.h
new file mode 100644
index 000000000000..4eb5972867c0
--- /dev/null
+++ b/include/uapi/linux/binfmts.h
@@ -0,0 +1,20 @@
+#ifndef _UAPI_LINUX_BINFMTS_H
+#define _UAPI_LINUX_BINFMTS_H
+
+#include <linux/capability.h>
+
+struct pt_regs;
+
+/*
+ * These are the maximum length and maximum number of strings passed to the
+ * execve() system call. MAX_ARG_STRLEN is essentially random but serves to
+ * prevent the kernel from being unduly impacted by misaddressed pointers.
+ * MAX_ARG_STRINGS is chosen to fit in a signed 32-bit integer.
+ */
+#define MAX_ARG_STRLEN (PAGE_SIZE * 32)
+#define MAX_ARG_STRINGS 0x7FFFFFFF
+
+/* sizeof(linux_binprm->buf) */
+#define BINPRM_BUF_SIZE 128
+
+#endif /* _UAPI_LINUX_BINFMTS_H */