Add crashing example

bt
 #0  0x000133f4 in RB_FileSystemUpdate ()
 #1  0x0000bf60 in RB_ComponentDeltaOperation ()
 #2  0x0000c574 in RB_ComponentDeltaUpdate ()
 #3  0x0000cc08 in RB_DeltaTraverse ()
 #4  0x0000ccc8 in RB_vRM_Update ()

   │0x133c4 <RB_FileSystemUpdate+6864>      b      0x12a1c <RB_FileSystemUpdate+4392>               │
   │0x133c8 <RB_FileSystemUpdate+6868>      ldr    r3, [pc, #-2616]        ; 0x12998 <RB_FileSystemU│
   │0x133cc <RB_FileSystemUpdate+6872>      mov    r0, r10                                          │
   │0x133d0 <RB_FileSystemUpdate+6876>      ldr    r2, [r3, #1620] ; 0x654                          │
   │0x133d4 <RB_FileSystemUpdate+6880>      ldr    r3, [r5, #-20]  ; 0xffffffec                     │
   │0x133d8 <RB_FileSystemUpdate+6884>      ldr    r1, [pc, #-2648]        ; 0x12988 <RB_FileSystemU│
   │0x133dc <RB_FileSystemUpdate+6888>      bic    r3, r3, #-1073741824    ; 0xc0000000             │
   │0x133e0 <RB_FileSystemUpdate+6892>      cmp    r3, r2                                           │
   │0x133e4 <RB_FileSystemUpdate+6896>      movcs  r3, #0                                           │
   │0x133e8 <RB_FileSystemUpdate+6900>      movcc  r3, #1                                           │
   │0x133ec <RB_FileSystemUpdate+6904>      bl     0x8e54 <RB_Trace>                                │
   │0x133f0 <RB_FileSystemUpdate+6908>      b      0x130a4 <RB_FileSystemUpdate+6064>               │
  >│0x133f4 <RB_FileSystemUpdate+6912>      ldrb   r2, [r3], #1

1 files changed, 0 insertions, 0 deletions

diff --git a/update-ec20/data/hacked_system_diff_crash_after_unpack.diff b/update-ec20/data/hacked_system_diff_crash_after_unpack.diff
new file mode 100755
index 0000000..572a2f0
--- /dev/null
+++ b/update-ec20/data/hacked_system_diff_crash_after_unpack.diff