Commit 9df794d9 authored by Al Viro's avatar Al Viro
Browse files

cris: don't leave ->uc_stack unitialized - we'll use its contents on sigreturn 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent d970e428

arch/cris/arch-v10/kernel/signal.c

+2 −0
Original line number Diff line number Diff line
@@ -356,6 +356,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 


	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));



	err |= __save_altstack(&frame->uc.uc_stack, rdusp());



	if (err)

		goto give_sigsegv;

arch/cris/arch-v32/kernel/signal.c

+1 −0
Original line number Diff line number Diff line
@@ -365,6 +365,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 
	err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext));

	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]);

	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));

	err |= __save_altstack(&frame->uc.uc_stack, rdusp());



	if (err)

		goto give_sigsegv;