From 82df4fa7d3705f2f61282ed5b22074d4e0a6efc4 Mon Sep 17 00:00:00 2001
From: Harry Mallon <hjmallon@gmail.com>
Date: Thu, 23 Apr 2020 21:18:47 +0100
Subject: [PATCH] volumes: fix segfault in apfs volume code

---
 src/core/volumes.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/core/volumes.cc b/src/core/volumes.cc
index e703523..6fce2ee 100644
--- a/src/core/volumes.cc
+++ b/src/core/volumes.cc
@@ -784,12 +784,13 @@ struct apfs_super_block {
 
 static bool detect_apfs(hwNode & n, source & s)
 {
-  static char buffer[sizeof(apfs_super_block)];
+  static char buffer[APFS_STANDARD_BLOCK_SIZE];
   source apfsvolume;
   apfs_super_block *sb = (apfs_super_block*)buffer;
   unsigned long block_size;
 
   apfsvolume = s;
+  apfsvolume.blocksize = APFS_STANDARD_BLOCK_SIZE;
 
   if(readlogicalblocks(apfsvolume, buffer, 0, 1)!=1)
     return false;