Messages in this thread Patch in this message | | | Date | Fri, 3 May 2019 12:12:23 -0700 | Subject | [PATCH v2 1/3] arm64: fix syscall_fn_t type | From | Sami Tolvanen <> |
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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> --- arch/arm64/include/asm/syscall.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h index a179df3674a1a..6206ab9bfcfc5 100644 --- a/arch/arm64/include/asm/syscall.h +++ b/arch/arm64/include/asm/syscall.h @@ -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[]; -- 2.21.0.1020.gf2820cf01a-goog
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