forge/linux-uconsole
1
0
Fork 0
Code Issues 1 Pull requests Projects Releases Packages Wiki Activity Actions

arm64: fix syscall_fn_t type

Browse source 
[ Upstream commit 8ef8f368ce ]

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.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sami Tolvanen 2019-05-24 15:11:16 -07:00 • committed by Greg Kroah-Hartman
commit c5fdfaedec
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
arch/arm64/include/asm/syscall.h
View file

@ -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[];