[Bug 195555] New: kvm crashes qemu when geth (ethereum mining software) mines in a qemu kvm guest.

[Bug 195555] New: kvm crashes qemu when geth (ethereum mining software) mines in a qemu kvm guest.

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=195555

            Bug ID: 195555
           Summary: kvm crashes qemu when geth (ethereum mining software)
                    mines in a qemu kvm guest.
           Product: Virtualization
           Version: unspecified
    Kernel Version: 4.10.12
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: kvm
          Assignee: virtualization_kvm@kernel-bugs.osdl.org
          Reporter: clownix@clownix.net
        Regression: No

Here is a part of the syslog after the crach, it is repeated many times:

Apr 22 20:39:13 debian kernel: [  750.306465] WARNING: CPU: 3 PID: 70 at
arch/x86/kvm/mmu.c:614 mmu_spte_clear_track_bits+0x9b/0x100 [kvm]
Apr 22 20:39:13 debian kernel: [  750.306465] Modules linked in: tun
iptable_filter ip_tables x_tables binfmt_misc nfsd auth_rpcgss oid_registry
nfs_acl nfs lockd grace fscache sunrpc nouveau arc4 intel_rapl rt2800pci
x86_pkg_temp_thermal intel_powerclamp rt2800mmio coretemp rt2800lib rt2x00pci
rt2x00mmio rt2x00lib eeprom_93cx6 mac80211 kvm_intel kvm snd_hda_codec_hdmi
snd_hda_codec_idt mxm_wmi irqbypass video ttm snd_hda_codec_generic
snd_hda_intel cfg80211 crct10dif_pclmul drm_kms_helper crc32_pclmul
snd_hda_codec drm ghash_clmulni_intel snd_hda_core snd_hwdep snd_pcm pcbc
snd_timer crc_ccitt rfkill aesni_intel aes_x86_64 iTCO_wdt iTCO_vendor_support
snd crypto_simd i2c_algo_bit lpc_ich soundcore shpchp glue_helper mfd_core
mei_me i2c_i801 mei wmi evdev cryptd i2c_core pcspkr tpm_tis tpm_tis_core tpm
button fuse autofs4 usb_storage
Apr 22 20:39:13 debian kernel: [  750.306480]  ext4 crc16 jbd2 mbcache
hid_generic usbhid hid sg sr_mod sd_mod cdrom ahci libahci libata crc32c_intel
ehci_pci ehci_hcd scsi_mod usbcore r8169 mii usb_common
Apr 22 20:39:13 debian kernel: [  750.306485] CPU: 3 PID: 70 Comm: kworker/3:1
Tainted: G    B   W       4.10.12 #1
Apr 22 20:39:13 debian kernel: [  750.306486] Hardware name: Hewlett-Packard
HPE-532fr/2AB6, BIOS 7.11 03/18/2011
Apr 22 20:39:13 debian kernel: [  750.306486] Workqueue: events mmput_async_fn
Apr 22 20:39:13 debian kernel: [  750.306487] Call Trace:
Apr 22 20:39:13 debian kernel: [  750.306488]  ? dump_stack+0x5c/0x7d
Apr 22 20:39:13 debian kernel: [  750.306489]  ? __warn+0xc4/0xe0
Apr 22 20:39:13 debian kernel: [  750.306493]  ?
mmu_spte_clear_track_bits+0x9b/0x100 [kvm]
Apr 22 20:39:13 debian kernel: [  750.306497]  ? drop_spte+0x17/0x90 [kvm]
Apr 22 20:39:13 debian kernel: [  750.306502]  ? mmu_page_zap_pte+0xb4/0xc0
[kvm]
Apr 22 20:39:13 debian kernel: [  750.306506]  ?
kvm_mmu_prepare_zap_page+0x53/0x2d0 [kvm]
Apr 22 20:39:13 debian kernel: [  750.306511]  ?
kvm_mmu_invalidate_zap_all_pages+0xc7/0x120 [kvm]
Apr 22 20:39:13 debian kernel: [  750.306514]  ?
kvm_mmu_notifier_release+0x27/0x40 [kvm]
Apr 22 20:39:13 debian kernel: [  750.306515]  ?
__mmu_notifier_release+0x3e/0xb0
Apr 22 20:39:13 debian kernel: [  750.306516]  ? exit_mmap+0x120/0x130
Apr 22 20:39:13 debian kernel: [  750.306517]  ? dequeue_task_fair+0x7eb/0x1420
Apr 22 20:39:13 debian kernel: [  750.306518]  ? pick_next_task_fair+0xec/0x430
Apr 22 20:39:13 debian kernel: [  750.306519]  ? mmput_async_fn+0x47/0x110
Apr 22 20:39:13 debian kernel: [  750.306520]  ? process_one_work+0x14d/0x410
Apr 22 20:39:13 debian kernel: [  750.306521]  ? worker_thread+0x62/0x490
Apr 22 20:39:13 debian kernel: [  750.306522]  ? __schedule+0x19a/0x670
Apr 22 20:39:13 debian kernel: [  750.306523]  ? rescuer_thread+0x320/0x320
Apr 22 20:39:13 debian kernel: [  750.306523]  ? kthread+0x114/0x150
Apr 22 20:39:13 debian kernel: [  750.306524]  ? kthread_park+0x80/0x80
Apr 22 20:39:13 debian kernel: [  750.306525]  ? ret_from_fork+0x26/0x40
Apr 22 20:39:13 debian kernel: [  750.306526] ---[ end trace 40075e676a4444d6
]---

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