Snap for 5797917 from 6c5e453f9ee8363e970c7b5e2be503879089c3c3 to qt-c2f2-releaseandroid-10.0.0_r9android-10.0.0_r8android-10.0.0_r7android-10.0.0_r14android-10.0.0_r13android-10.0.0_r12android10-c2f2-s2-releaseandroid10-c2f2-s1-releaseandroid10-c2f2-release

Change-Id: I92e29452f176731c03fc482e5394cc5fad17c9c9

1 files changed, 4 insertions, 0 deletions

diff --git a/secdiscard.cpp b/secdiscard.cpp
index 0ff05d6c..4659eedd 100644
--- a/secdiscard.cpp
+++ b/secdiscard.cpp
@@ -147,6 +147,10 @@ bool secdiscard_path(const std::string& path) {
             if (!overwrite_with_zeros(fs_fd.get(), range[0], range[1])) return false;
         }
     }
+    // Should wait for overwrites completion. Otherwise after unlink(),
+    // filesystem can allocate these blocks and IO can be reordered, resulting
+    // in making zero blocks to filesystem blocks.
+    fsync(fs_fd.get());
     return true;
 }