From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Tue, 21 Apr 2020 05:33:45 +0000 (+0800)
Subject: os/bluestore: avoid offset overflow.
X-Git-Tag: v16.1.0~2425^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=55827fea8886a8db8fe77f548fae84617287215b;p=ceph.git

os/bluestore: avoid offset overflow.

Reported-by: Xiaoping Duan <xiaoping.duan@intel.com>
Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
---

diff --git a/src/os/bluestore/PMEMDevice.cc b/src/os/bluestore/PMEMDevice.cc
index 0216b35ca854..3cdcacc047c6 100644
--- a/src/os/bluestore/PMEMDevice.cc
+++ b/src/os/bluestore/PMEMDevice.cc
@@ -201,7 +201,7 @@ int PMEMDevice::write(uint64_t off, bufferlist& bl, bool buffered, int write_hin
   }
 
   bufferlist::iterator p = bl.begin();
-  uint32_t off1 = off;
+  uint64_t off1 = off;
   while (len) {
     const char *data;
     uint32_t l = p.get_ptr_and_advance(len, &data);