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Add commands to dump wait blocks

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Yarden Shafir
2020-11-11 12:15:12 +02:00
parent 377a405c85
commit d5496cd067
1 changed files with 15 additions and 0 deletions
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getWaitBlockInformation.txt
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//
// Print the first wait block in each process wait list
//
dx -g @$procWaits = @$cursession.Processes.Where(p => (__int64)&p.KernelObject.Pcb.Header.WaitListHead != (__int64)p.KernelObject.Pcb.Header.WaitListHead.Flink).Select(p => Debugger.Utility.Collections.FromListEntry(p.KernelObject.Pcb.Header.WaitListHead, "nt!_KWAIT_BLOCK", "WaitListEntry")[0]).Select(p => new { WaitType = p.WaitType, BlockState = p.BlockState, Thread = p.Thread, Dpc = p.Dpc, Object = p.Object, Name = ((char*)((nt!_EPROCESS*)p.Object)->ImageFileName).ToDisplayString("sb")})
//
// Find all processes that have wait blocks with WaitDpc type
//
dx @$dpcwaits = @$cursession.Processes.Where(p => (__int64)&p.KernelObject.Pcb.Header.WaitListHead != (__int64)p.KernelObject.Pcb.Header.WaitListHead.Flink && Debugger.Utility.Collections.FromListEntry(p.KernelObject.Pcb.Header.WaitListHead, "nt!_KWAIT_BLOCK", "WaitListEntry").Where(p => p.WaitType == 4).Count() != 0)
//
// Print information about wait blocks of type WaitDpc waiting on processes
//
dx -r0 @$getsym = (x => Debugger.Utility.Control.ExecuteCommand(".printf\"%y\", " + ((__int64)x).ToDisplayString("x")))
dx -g Debugger.Utility.Collections.FromListEntry(@$dpcwaits.First().KernelObject.Pcb.Header.WaitListHead, "nt!_KWAIT_BLOCK", "WaitListEntry").Select(p => new { WaitType = p.WaitType, BlockState = p.BlockState, Thread = p.Thread, Dpc = p.Dpc, Object = p.Object, Name = ((char*)((nt!_EPROCESS*)p.Object)->ImageFileName).ToDisplayString("sb"), DpcTarget = (@$getsym(p.Dpc->DeferredRoutine))[0]})