ESXi 6.x host fails with error: PANIC bora/vmkernel/main/dlmalloc.c:4924 - Usage error in dlmalloc

Products

• VMware vSphere ESXi

Issue/Introduction

• When you replicate virtual machines using the VMware Site Replication Manager hbr_filter with vSphere Replication, the ESXi host might fail with purple screen immediately or within 24 hours and reports the error: 

            PANIC bora/vmkernel/main/dlmalloc.c:4924 - Usage error in dlmalloc 

• You see the following log entries in var/log/vmkernel.log or when debugging a vmkernel-zdump. 

      @BlueScreen: PANIC bora/vmkernel/main/dlmalloc.c:4924-Usage error in    dlmalloc
      Code start: 0x41801c800000 VMK uptime: 0:07:59:23.725
      0x451a5131b570:[0x41801c908ca5]PanicvPanicInt@vmkernel#nover+0x439 stack: 0x707520676e69726f
0x451a5131b610:[0x41801c908ed8]Panic_NoSave@vmkernel#nover+0x4d stack: 0x451a5131b670
0x451a5131b670:[0x41801c9512c2]DLM_free@vmkernel#nover+0x657 stack: 0x431cc16f07e0
0x451a5131b690:[0x41801c94e4b0]Heap_Free@vmkernel#nover+0x115 stack: 0x451a5131b730
0x451a5131b6e0:[0x41801d96b6ca]CbtAsyncIODone@(hbr_filter)#<None>+0x2b stack: 0x459a809252c0
0x451a5131b710:[0x41801c8c89a2]AsyncPopCallbackFrameInt@vmkernel#nover+0x4b stack: 0x451a5131b770
0x451a5131b740:[0x41801d96d2a9]Lwd_IssuePendingIO@(hbr_filter)#<None>+0x9a stack: 0x431cc16c7660

Resolution

This issue is resolved in VMware vSphere ESXi 6.5 Patch ESXi650-201811002 and VMware vSphere ESXi 6.7 Patch ESXi670-201811001 .To download go to the Customer Connect Patch Downloads page.