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| author | Dmitry Vyukov <dvyukov@google.com> | 2017-09-28 16:51:53 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2017-09-28 16:53:58 +0200 |
| commit | 8136bdad2fe7e71d4c395ef362adcbc6b0c02251 (patch) | |
| tree | 6900b569c3a60375339307a3d5c6d6be0242e6ea /vm/gce | |
| parent | a13111c7f3d400d2a9d0b84d0d777710b3696d29 (diff) | |
pkg/kd: add KD protocol decoder
Very primitive decoder that only decodes amd64 exceptions.
Use it in vm/gce. Now crashes contain something more or less
reasonable which is caught by manager as crash:
BUG: first chance exception 0x80000003
&kd.stateChange64{state:0x3030, processorLevel:0x6, processor:0x0,
numProcessors:0x2, thread:0xffff9c0bd015e080, pc:0xfffff8017615c380,
exception:kd.exception64{code:0x80000003, flags:0x0, record:0x0,
address:0xfffff8017615c380, numParams:0x1, unused:0x0, params:[15]uint64{
0x0, 0x40, 0xfffff801768699e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0}, firstChance:0x1}, report:kd.controlReport{
dr6:0xffff0ff0, dr7:0x400, eflags:0x86, numInstr:0x10, reportFlags:0x3,
instr:[16]uint8{0xcc, 0xc3, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xf, 0x1f,
0x84, 0x0, 0x0, 0x0, 0x0, 0x0}, cs:0x10, ds:0x2b, es:0x2b, fs:0x53}}
Diffstat (limited to 'vm/gce')
| -rw-r--r-- | vm/gce/gce.go | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/vm/gce/gce.go b/vm/gce/gce.go index 59d33cbc3..a226b080d 100644 --- a/vm/gce/gce.go +++ b/vm/gce/gce.go @@ -26,6 +26,7 @@ import ( "github.com/google/syzkaller/pkg/config" "github.com/google/syzkaller/pkg/gce" "github.com/google/syzkaller/pkg/gcs" + "github.com/google/syzkaller/pkg/kd" . "github.com/google/syzkaller/pkg/log" "github.com/google/syzkaller/pkg/osutil" "github.com/google/syzkaller/vm/vmimpl" @@ -231,7 +232,11 @@ func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command strin tee = os.Stdout } merger := vmimpl.NewOutputMerger(tee) - merger.Add("console", conRpipe) + var decoder func(data []byte) (int, int, []byte) + if inst.env.OS == "windows" { + decoder = kd.Decode + } + merger.AddDecoder("console", conRpipe, decoder) // We've started the console reading ssh command, but it has not necessary connected yet. // If we proceed to running the target command right away, we can miss part |