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Diffstat (limited to 'arch/um/sys-x86_64/signal.c')
-rw-r--r--arch/um/sys-x86_64/signal.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c
index 9edf114faf7..af2f017617b 100644
--- a/arch/um/sys-x86_64/signal.c
+++ b/arch/um/sys-x86_64/signal.c
@@ -191,8 +191,9 @@ int setup_signal_stack_si(unsigned long stack_top, int sig,
struct task_struct *me = current;
frame = (struct rt_sigframe __user *)
- round_down(stack_top - sizeof(struct rt_sigframe), 16) - 8;
- frame = (struct rt_sigframe __user *) ((unsigned long) frame - 128);
+ round_down(stack_top - sizeof(struct rt_sigframe), 16);
+ /* Subtract 128 for a red zone and 8 for proper alignment */
+ frame = (struct rt_sigframe __user *) ((unsigned long) frame - 128 - 8);
if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate)))
goto out;