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SubjectRe: general protection fault in perf_misc_flags
On Mon, Sep 28, 2020 at 12:33:57PM +0200, Dmitry Vyukov wrote:
> It may be related to VMs, but also may well not be related to VMs.

Right, and so I tried to set it up on a test box here, it looks like
it worked, see below. I'll let it fuzz in the coming days and see what
explodes...

2020/09/28 22:19:51 booting test machines...
2020/09/28 22:19:51 wait for the connection from test machine...
2020/09/28 22:20:27 machine check:
2020/09/28 22:20:27 syscalls : 3389/3739
2020/09/28 22:20:27 code coverage : enabled
2020/09/28 22:20:27 comparison tracing : enabled
2020/09/28 22:20:27 extra coverage : enabled
2020/09/28 22:20:27 setuid sandbox : enabled
2020/09/28 22:20:27 namespace sandbox : enabled
2020/09/28 22:20:27 Android sandbox : enabled
2020/09/28 22:20:27 fault injection : enabled
2020/09/28 22:20:27 leak checking : CONFIG_DEBUG_KMEMLEAK is not enabled
2020/09/28 22:20:27 net packet injection : enabled
2020/09/28 22:20:27 net device setup : enabled
2020/09/28 22:20:27 concurrency sanitizer : /sys/kernel/debug/kcsan does not exist
2020/09/28 22:20:27 devlink PCI setup : PCI device 0000:00:10.0 is not available
2020/09/28 22:20:27 USB emulation : enabled
2020/09/28 22:20:27 hci packet injection : enabled
2020/09/28 22:20:27 wifi device emulation : enabled
2020/09/28 22:20:29 corpus : 458 (deleted 0 broken)
2020/09/28 22:20:31 seeds : 620/667
2020/09/28 22:20:31 VMs 1, executed 0, corpus cover 0, corpus signal 0, max signal 0, crashes 0, repro 0
2020/09/28 22:20:41 VMs 2, executed 12, corpus cover 0, corpus signal 0, max signal 0, crashes 0, repro 0
2020/09/28 22:20:51 VMs 2, executed 28, corpus cover 5578, corpus signal 5925, max signal 10155, crashes 0, repro 0
2020/09/28 22:21:01 VMs 3, executed 179, corpus cover 11792, corpus signal 10881, max signal 19337, crashes 0, repro 0
...


--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette

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