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2019-07-02Solve BounceToKernel may hang issueYong He
BounceToKernel will make vCPU quit from guest ring3 to guest ring0, but vCPUWaiter is not cleared when we unlock the vCPU, when next time this vCPU enter guest mode ring3, vCPU may enter guest mode with vCPUWaiter bit setted, this will cause the following BounceToKernel to this vCPU hangs at waitUntilNot. Halt may workaroud this issue, because halt process will reset vCPU status into vCPUUser, and notify all waiter for vCPU state change, but if there is no exception or syscall in this period, BounceToKernel will hang at waitUntilNot. PiperOrigin-RevId: 256299660
2019-06-28platform/ptrace: return more detailed errorsAndrei Vagin
Right now, if we can't create a stub process, we will see this error: panic: unable to activate mm: resource temporarily unavailable It would be better to know the root cause of this "resource temporarily unavailable". PiperOrigin-RevId: 255656831
2019-06-28Merge b2907595 (automated)gVisor bot
2019-06-27Merge 5b41ba5d (automated)gVisor bot
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2019-06-27Fix various spelling issues in the documentationMichael Pratt
Addresses obvious typos, in the documentation only. COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/443 from Pixep:fix/documentation-spelling 4d0688164eafaf0b3010e5f4824b35d1e7176d65 PiperOrigin-RevId: 255477779
2019-06-27Merge 7188790f (automated)gVisor bot
2019-06-27gvisor/ptrace: grub initial thread registers only onceAndrei Vagin
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2019-06-24Add O_EXITKILL to ptrace options.Adin Scannell
This prevents a race before PDEATH_SIG can take effect during a sentry crash. Discovered and solution by avagin@. PiperOrigin-RevId: 254871534
2019-06-24Merge c5486f51 (automated)gVisor bot
2019-06-24platform/ptrace: specify PTRACE_O_TRACEEXIT for stub-processesAndrei Vagin
The tracee is stopped early during process exit, when registers are still available, allowing the tracer to see where the exit occurred, whereas the normal exit notifi? cation is done after the process is finished exiting. Without this option, dumpAndPanic fails to get registers. PiperOrigin-RevId: 254852917
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2019-06-13Update canonical repository.Adin Scannell
This can be merged after: https://github.com/google/gvisor-website/pull/77 or https://github.com/google/gvisor-website/pull/78 PiperOrigin-RevId: 253132620
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