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2019-07-22Merge d706922d (automated)gVisor bot
2019-07-22Merge a0a86bbb (automated)gVisor bot
2019-07-22kvm: fix race between machine.Put and machine.GetAndrei Vagin
m.available.Signal() has to be called under m.mu.RLock, otherwise it can race with machine.Get: m.Get | m.Put ------------------------------------- m.mu.Lock() | Seatching available vcpu| | m.available.Signal() m.available.Wait | PiperOrigin-RevId: 259394051
2019-07-22Merge fdac770f (automated)gVisor bot
2019-07-19Merge 32e6be00 (automated)gVisor bot
2019-07-19Merge f544509c (automated)gVisor bot
2019-07-19Merge 0e040ba6 (automated)gVisor bot
2019-07-18Merge eefa817c (automated)gVisor bot
2019-07-18Merge 163ab5e9 (automated)gVisor bot
2019-07-17Merge 6f7e2bb3 (automated)gVisor bot
2019-07-17Merge 84a59de5 (automated)gVisor bot
2019-07-17Merge 8e2ea9c1 (automated)gVisor bot
2019-07-17Merge 8e3e021a (automated)gVisor bot
2019-07-17Merge 609cd91e (automated)gVisor bot
2019-07-17Merge 542fbd01 (automated)gVisor bot
2019-07-17Merge 9f118913 (automated)gVisor bot
2019-07-17Merge 682fd2d6 (automated)gVisor bot
2019-07-17Merge ca829158 (automated)gVisor bot
2019-07-17Merge 78a2704b (automated)gVisor bot
2019-07-16Merge 74dc663b (automated)gVisor bot
2019-07-16Merge cf4fc510 (automated)gVisor bot
2019-07-16Merge 6a8ff6da (automated)gVisor bot
2019-07-15kvm: wake up all waiter of vCPU.stateAndrei Vagin
Now we call FUTEX_WAKE with ^uintptr(0) of waiters, but in this case only one waiter will be waked up. If we want to wake up all of them, the number of waiters has to be set to math.MaxInt32. PiperOrigin-RevId: 258285286
2019-07-16Merge 3d78baf0 (automated)gVisor bot
2019-07-15Merge ab44d145 (automated)gVisor bot
2019-07-12Merge 4ad67050 (automated)gVisor bot
2019-07-12Merge 6116473b (automated)gVisor bot
2019-07-12Merge 69e0affa (automated)gVisor bot
2019-07-09tss: block userspace access to all I/O ports.Liu Hua
A userspace process (CPL=3) can access an i/o port if the bit corresponding to the port is set to 0 in the I/O permission bitmap. Configure the I/O permission bitmap address beyond the last valid byte in the TSS so access to all i/o ports is blocked. Signed-off-by: Liu Hua <sdu.liu@huawei.com> Change-Id: I3df76980c3735491db768f7210e71703f86bb989 PiperOrigin-RevId: 257336518
2019-07-03Avoid importing platforms from many source filesAndrei Vagin
PiperOrigin-RevId: 256494243
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
2019-06-27Merge 085a9075 (automated)gVisor bot
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
PiperOrigin-RevId: 255465635
2019-06-26Merge 42e212f6 (automated)gVisor bot
2019-06-26Merge 857e5c47 (automated)gVisor bot
2019-06-26Merge 67e2f227 (automated)gVisor bot
2019-06-26Merge e98ce4a2 (automated)gVisor bot
2019-06-25Merge ffee0f36 (automated)gVisor bot
2019-06-25Merge a8f148b8 (automated)gVisor bot
2019-06-25Merge 03ae91c6 (automated)gVisor bot
2019-06-25Merge 7f5d0afe (automated)gVisor bot
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
2019-06-24Merge b21b1db7 (automated)gVisor bot
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