diff options
| -rw-r--r-- | arch/m68k/kernel/signal.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index e2a9421c5797..87e7f3639839 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -651,7 +651,8 @@ static int mangle_kernel_stack(struct pt_regs *regs, int formatvec, regs->vector = formatvec & 0xfff; } else { struct switch_stack *sw = (struct switch_stack *)regs - 1; - unsigned long buf[fsize / 2]; /* yes, twice as much */ + /* yes, twice as much as max(sizeof(frame.un.fmt<x>)) */ + unsigned long buf[sizeof(((struct frame *)0)->un) / 2]; /* that'll make sure that expansion won't crap over data */ if (copy_from_user(buf + fsize / 4, fp, fsize)) |