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-rw-r--r--arch/powerpc/kernel/signal_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 82ec2f3f6713..27f65b95184d 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -212,7 +212,7 @@ static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs
/* Default to using normal stack */
newsp = regs->gpr[1];
- if (ka->sa.sa_flags & SA_ONSTACK) {
+ if ((ka->sa.sa_flags & SA_ONSTACK) && current->sas_ss_size) {
if (! on_sig_stack(regs->gpr[1]))
newsp = (current->sas_ss_sp + current->sas_ss_size);
}