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-rw-r--r--src/userprog/process.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/userprog/process.c b/src/userprog/process.c
index b3e16bb..4f557b2 100644
--- a/src/userprog/process.c
+++ b/src/userprog/process.c
@@ -476,7 +476,7 @@ setup_stack (void **esp)
{
success = install_page (((uint8_t *) PHYS_BASE) - PGSIZE, kpage, true);
if (success)
- *esp = PHYS_BASE;
+ *esp = PHYS_BASE - 12;
else
palloc_free_page (kpage);
}