Commit 568a3e2e authored Apr 25, 2019 by Sami Tolvanen Committed by Alistair Strachan May 20, 2019

FROMLIST: arm64: fix syscall_fn_t type

Syscall wrappers in <asm/syscall_wrapper.h> use const struct pt_regs *
as the argument type. Use const in syscall_fn_t as well to fix indirect
call type mismatches with Control-Flow Integrity checking.

Bug: 133186739
Change-Id: I23d26aef5107985631a9aac500f2ceefc0b25419
Link: https://lkml.org/lkml/2019/5/3/689


Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

parent fb0e5d87

arch/arm64/include/asm/syscall.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -20,7 +20,7 @@
		#include <linux/compat.h>
		#include <linux/err.h>

		typedef long (syscall_fn_t)(struct pt_regs regs);
		typedef long (syscall_fn_t)(const struct pt_regs regs);

		extern const syscall_fn_t sys_call_table[];