diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 2a573d4fea24a7ab12873282ad5c805a4c0e8de1..e7714f367eb83aa0a4b0224e5129ec94c87c3391 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -662,8 +662,12 @@ static void do_signal(struct pt_regs *regs, int syscall) regs->ARM_sp -= 4; usp = (u32 __user *)regs->ARM_sp; - put_user(regs->ARM_pc, usp); - regs->ARM_pc = KERN_RESTART_CODE; + if (put_user(regs->ARM_pc, usp) == 0) { + regs->ARM_pc = KERN_RESTART_CODE; + } else { + regs->ARM_sp += 4; + force_sigsegv(0, current); + } #endif } }