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Commit 0a03a5a8 authored by David Anderson's avatar David Anderson
Browse files

snapuserd: Fix infinite loop when reading ops. 

Bug: 168554689
Test: vts_libsnapshot_test
Change-Id: I48e62f258ef2b4c368e8237a132c802a03d7020b
parent a2b5d997

fs_mgr/libsnapshot/snapuserd.cpp

+5 −1
Original line number Diff line number Diff line
@@ -379,7 +379,11 @@ int Snapuserd::ReadMetadata() { 
        struct disk_exception* de =

                reinterpret_cast<struct disk_exception*>((char*)de_ptr.get() + offset);



        if (cow_op->type == kCowFooterOp || cow_op->type == kCowLabelOp) continue;

        if (cow_op->type == kCowFooterOp || cow_op->type == kCowLabelOp) {

            cowop_iter_->Next();

            continue;

        }



        if (!(cow_op->type == kCowReplaceOp || cow_op->type == kCowZeroOp ||

              cow_op->type == kCowCopyOp)) {

            LOG(ERROR) << "Unknown operation-type found: " << cow_op->type;