Re: CONFIG_KCOV causing crash in svm_vcpu_run()

2018-05-22 Thread Eric Biggers
On Mon, May 14, 2018 at 10:25:08AM -0700, Eric Biggers wrote: > On Mon, May 14, 2018 at 07:14:41AM +0200, Dmitry Vyukov wrote: > > On Mon, May 14, 2018 at 5:02 AM, Eric Biggers wrote: > > > Sorry, messed up address for KVM mailing list. See message below. > > > > > > On Sun,

Re: CONFIG_KCOV causing crash in svm_vcpu_run()

2018-05-14 Thread Dmitry Vyukov
On Mon, May 14, 2018 at 7:25 PM, Eric Biggers wrote: > On Mon, May 14, 2018 at 07:14:41AM +0200, Dmitry Vyukov wrote: >> On Mon, May 14, 2018 at 5:02 AM, Eric Biggers wrote: >> > Sorry, messed up address for KVM mailing list. See message below. >> > >>

Re: CONFIG_KCOV causing crash in svm_vcpu_run()

2018-05-14 Thread Eric Biggers
On Mon, May 14, 2018 at 07:14:41AM +0200, Dmitry Vyukov wrote: > On Mon, May 14, 2018 at 5:02 AM, Eric Biggers wrote: > > Sorry, messed up address for KVM mailing list. See message below. > > > > On Sun, May 13, 2018 at 08:00:07PM -0700, Eric Biggers wrote: > >> With

Re: CONFIG_KCOV causing crash in svm_vcpu_run()

2018-05-13 Thread Dmitry Vyukov
On Mon, May 14, 2018 at 5:02 AM, Eric Biggers wrote: > Sorry, messed up address for KVM mailing list. See message below. > > On Sun, May 13, 2018 at 08:00:07PM -0700, Eric Biggers wrote: >> With CONFIG_KCOV=y and an AMD processor, running the following program >> crashes >>

Re: CONFIG_KCOV causing crash in svm_vcpu_run()

2018-05-13 Thread Eric Biggers
Sorry, messed up address for KVM mailing list. See message below. On Sun, May 13, 2018 at 08:00:07PM -0700, Eric Biggers wrote: > With CONFIG_KCOV=y and an AMD processor, running the following program crashes > the kernel with no output (I'm testing in a VM, so it's using nested >

CONFIG_KCOV causing crash in svm_vcpu_run()

2018-05-13 Thread Eric Biggers
With CONFIG_KCOV=y and an AMD processor, running the following program crashes the kernel with no output (I'm testing in a VM, so it's using nested virtualization): #include #include #include int main() { int dev, vm, cpu;