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-rw-r--r--arch/x86_64/ia32/ia32_signal.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86_64/ia32/ia32_signal.c b/arch/x86_64/ia32/ia32_signal.c
index 66e2821533db..0903cc1faef2 100644
--- a/arch/x86_64/ia32/ia32_signal.c
+++ b/arch/x86_64/ia32/ia32_signal.c
@@ -425,7 +425,11 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
425 rsp = (unsigned long) ka->sa.sa_restorer; 425 rsp = (unsigned long) ka->sa.sa_restorer;
426 } 426 }
427 427
428 return (void __user *)((rsp - frame_size) & -8UL); 428 rsp -= frame_size;
429 /* Align the stack pointer according to the i386 ABI,
430 * i.e. so that on function entry ((sp + 4) & 15) == 0. */
431 rsp = ((rsp + 4) & -16ul) - 4;
432 return (void __user *) rsp;
429} 433}
430 434
431int ia32_setup_frame(int sig, struct k_sigaction *ka, 435int ia32_setup_frame(int sig, struct k_sigaction *ka,