From b11fe40240f9b0ea84625da607041cf244052d3d Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gbeutner@serenityos.org>
Date: Fri, 9 Jul 2021 01:08:16 +0200
Subject: [PATCH] LibELF: Make sure calls to _fixup_plt_entry use a properly
 aligned stack

---
 Userland/Libraries/LibELF/Arch/x86_64/plt_trampoline.S | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Userland/Libraries/LibELF/Arch/x86_64/plt_trampoline.S b/Userland/Libraries/LibELF/Arch/x86_64/plt_trampoline.S
index 5d3c12b184..6af4407156 100644
--- a/Userland/Libraries/LibELF/Arch/x86_64/plt_trampoline.S
+++ b/Userland/Libraries/LibELF/Arch/x86_64/plt_trampoline.S
@@ -28,7 +28,12 @@ _plt_trampoline: # (object, relocation_index)
     shlq $3, %rsi
     leaq (%rsi, %rsi, 2), %rsi
 
+    pushq %rbp
+    movq %rsp, %rbp
+    andq $~15, %rsp
     call _fixup_plt_entry@PLT
+    movq %rbp, %rsp
+    popq %rbp
 
     movq %rax, 88(%rsp) # replace object argument with symbol address