Correct the conversion of mem2chunk

10 years ago · 84fd94949e
parent ba6d14d5db
commit 84fd94949e
1 changed files with 1 additions and 1 deletions
--- a/pwndbg/malloc.py
+++ b/pwndbg/malloc.py
@ -22,4 +22,4 @@ def chunk2mem(p):
 def mem2chunk(mem):
    "conversion from user pointer to malloc header"
-    return p + (2-pwndbg.arch.ptrsize)
+    return mem - (2*pwndbg.arch.ptrsize)