From: Jarkko Sakkinen <jarkko@kernel.org>
To: Tom Dohrmann <erbse.13@gmx.de>
Cc: Michael Roth <michael.roth@amd.com>,
kvm@vger.kernel.org, linux-coco@lists.linux.dev,
linux-mm@kvack.org, linux-crypto@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, tglx@linutronix.de,
mingo@redhat.com, jroedel@suse.de, thomas.lendacky@amd.com,
hpa@zytor.com, ardb@kernel.org, pbonzini@redhat.com,
seanjc@google.com, vkuznets@redhat.com, wanpengli@tencent.com,
jmattson@google.com, luto@kernel.org,
dave.hansen@linux.intel.com, slp@redhat.com, pgonda@google.com,
peterz@infradead.org, srinivas.pandruvada@linux.intel.com,
rientjes@google.com, dovmurik@linux.ibm.com, tobin@ibm.com,
bp@alien8.de, vbabka@suse.cz, kirill@shutemov.name,
ak@linux.intel.com, tony.luck@intel.com, marcorr@google.com,
sathyanarayanan.kuppuswamy@linux.intel.com, alpergun@google.com,
dgilbert@redhat.com, ashish.kalra@amd.com, harald@profian.com
Subject: Re: [PATCH RFC v7 06/64] KVM: x86: Add platform hooks for private memory invalidations
Date: Thu, 26 Jan 2023 15:52:08 +0000 [thread overview]
Message-ID: <Y9KhqGQlxllAZsKd@kernel.org> (raw)
In-Reply-To: <Y80vhKwQyw8hS/22@notebook>
On Sun, Jan 22, 2023 at 01:43:48PM +0100, Tom Dohrmann wrote:
> On Wed, Dec 14, 2022 at 01:39:58PM -0600, Michael Roth wrote:
> > In some cases, like with SEV-SNP, guest memory needs to be updated in a
> > platform-specific manner before it can be safely freed back to the host.
> > Add hooks to wire up handling of this sort to the invalidation notifiers
> > for restricted memory.
> >
> > Also issue invalidations of all allocated pages during notifier
> > unregistration so that the pages are not left in an unusable state when
> > they eventually get freed back to the host upon FD release.
> >
> > Signed-off-by: Michael Roth <michael.roth@amd.com>
> > ---
> > arch/x86/include/asm/kvm-x86-ops.h | 1 +
> > arch/x86/include/asm/kvm_host.h | 1 +
> > arch/x86/kvm/mmu/mmu.c | 5 +++++
> > include/linux/kvm_host.h | 2 ++
> > mm/restrictedmem.c | 16 ++++++++++++++++
> > virt/kvm/kvm_main.c | 5 +++++
> > 6 files changed, 30 insertions(+)
> >
> > diff --git a/arch/x86/include/asm/kvm-x86-ops.h b/arch/x86/include/asm/kvm-x86-ops.h
> > index 52f94a0ba5e9..c71df44b0f02 100644
> > --- a/arch/x86/include/asm/kvm-x86-ops.h
> > +++ b/arch/x86/include/asm/kvm-x86-ops.h
> > @@ -134,6 +134,7 @@ KVM_X86_OP_OPTIONAL_RET0(vcpu_get_apicv_inhibit_reasons);
> > KVM_X86_OP_OPTIONAL_RET0(private_mem_enabled);
> > KVM_X86_OP_OPTIONAL_RET0(fault_is_private);
> > KVM_X86_OP_OPTIONAL_RET0(update_mem_attr)
> > +KVM_X86_OP_OPTIONAL(invalidate_restricted_mem)
> >
> > #undef KVM_X86_OP
> > #undef KVM_X86_OP_OPTIONAL
> > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> > index 13802389f0f9..9ef8d73455d9 100644
> > --- a/arch/x86/include/asm/kvm_host.h
> > +++ b/arch/x86/include/asm/kvm_host.h
> > @@ -1639,6 +1639,7 @@ struct kvm_x86_ops {
> > int (*fault_is_private)(struct kvm *kvm, gpa_t gpa, u64 error_code, bool *private_fault);
> > int (*update_mem_attr)(struct kvm_memory_slot *slot, unsigned int attr,
> > gfn_t start, gfn_t end);
> > + void (*invalidate_restricted_mem)(struct kvm_memory_slot *slot, gfn_t start, gfn_t end);
> >
> > bool (*has_wbinvd_exit)(void);
> >
> > diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
> > index a0c41d391547..2713632e5061 100644
> > --- a/arch/x86/kvm/mmu/mmu.c
> > +++ b/arch/x86/kvm/mmu/mmu.c
> > @@ -7183,3 +7183,8 @@ void kvm_arch_set_memory_attributes(struct kvm *kvm,
> > kvm_update_lpage_private_shared_mixed(kvm, slot, attrs,
> > start, end);
> > }
> > +
> > +void kvm_arch_invalidate_restricted_mem(struct kvm_memory_slot *slot, gfn_t start, gfn_t end)
> > +{
> > + static_call_cond(kvm_x86_invalidate_restricted_mem)(slot, start, end);
> > +}
> > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> > index f032d878e034..f72a2e0b8699 100644
> > --- a/include/linux/kvm_host.h
> > +++ b/include/linux/kvm_host.h
> > @@ -2327,6 +2327,7 @@ void kvm_arch_set_memory_attributes(struct kvm *kvm,
> > struct kvm_memory_slot *slot,
> > unsigned long attrs,
> > gfn_t start, gfn_t end);
> > +
> > #else
> > static inline void kvm_arch_set_memory_attributes(struct kvm *kvm,
> > struct kvm_memory_slot *slot,
> > @@ -2366,6 +2367,7 @@ static inline int kvm_restricted_mem_get_pfn(struct kvm_memory_slot *slot,
> > }
> >
> > void kvm_arch_memory_mce(struct kvm *kvm);
> > +void kvm_arch_invalidate_restricted_mem(struct kvm_memory_slot *slot, gfn_t start, gfn_t end);
> > #endif /* CONFIG_HAVE_KVM_RESTRICTED_MEM */
> >
> > #endif
> > diff --git a/mm/restrictedmem.c b/mm/restrictedmem.c
> > index 56953c204e5c..74fa2cfb8618 100644
> > --- a/mm/restrictedmem.c
> > +++ b/mm/restrictedmem.c
> > @@ -54,6 +54,11 @@ static int restrictedmem_release(struct inode *inode, struct file *file)
> > {
> > struct restrictedmem_data *data = inode->i_mapping->private_data;
> >
> > + pr_debug("%s: releasing memfd, invalidating page offsets 0x0-0x%llx\n",
> > + __func__, inode->i_size >> PAGE_SHIFT);
> > + restrictedmem_invalidate_start(data, 0, inode->i_size >> PAGE_SHIFT);
> > + restrictedmem_invalidate_end(data, 0, inode->i_size >> PAGE_SHIFT);
> > +
> > fput(data->memfd);
> > kfree(data);
> > return 0;
> > @@ -258,6 +263,17 @@ void restrictedmem_unregister_notifier(struct file *file,
> > struct restrictedmem_notifier *notifier)
> > {
> > struct restrictedmem_data *data = file->f_mapping->private_data;
> > + struct inode *inode = file_inode(data->memfd);
> > +
> > + /* TODO: this will issue notifications to all registered notifiers,
> > + * but it's only the one being unregistered that needs to process
> > + * invalidations for any ranges still allocated at this point in
> > + * time. For now this relies on KVM currently being the only notifier.
> > + */
> > + pr_debug("%s: unregistering notifier, invalidating page offsets 0x0-0x%llx\n",
> > + __func__, inode->i_size >> PAGE_SHIFT);
> > + restrictedmem_invalidate_start(data, 0, inode->i_size >> PAGE_SHIFT);
> > + restrictedmem_invalidate_end(data, 0, inode->i_size >> PAGE_SHIFT);
> >
> > mutex_lock(&data->lock);
> > list_del(¬ifier->list);
> > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> > index d2d829d23442..d2daa049e94a 100644
> > --- a/virt/kvm/kvm_main.c
> > +++ b/virt/kvm/kvm_main.c
> > @@ -974,6 +974,9 @@ static void kvm_restrictedmem_invalidate_begin(struct restrictedmem_notifier *no
> > &gfn_start, &gfn_end))
> > return;
> >
> > + pr_debug("%s: start: 0x%lx, end: 0x%lx, roffset: 0x%llx, gfn_start: 0x%llx, gfn_end: 0x%llx\n",
> > + __func__, start, end, slot->restricted_offset, gfn_start, gfn_end);
> > +
> > gfn_range.start = gfn_start;
> > gfn_range.end = gfn_end;
> > gfn_range.slot = slot;
> > @@ -988,6 +991,8 @@ static void kvm_restrictedmem_invalidate_begin(struct restrictedmem_notifier *no
> > if (kvm_unmap_gfn_range(kvm, &gfn_range))
> > kvm_flush_remote_tlbs(kvm);
> >
> > + kvm_arch_invalidate_restricted_mem(slot, gfn_start, gfn_end);
>
> Calling kvm_arch_invalidate_restricted_mem while the KVM MMU lock is taken
> causes problems, because taking said lock disables preemption. Within
> kvm_arch_invalidate_restricted_mem a few calls down, eventually
> vm_unmap_aliases is called which tries to lock a mutex, which shouldn't happen
> with preemption disabled. This causes a "scheduling while atomic" bug:
>
> [ 152.846596] BUG: scheduling while atomic: enarx/8302/0x00000002
> [ 152.846599] Modules linked in: nf_conntrack_netlink(E) xfrm_user(E) xfrm_algo(E) xt_addrtype(E) br_netfilter(E) xt_CHECKSUM(E) xt_MASQUERADE(E) xt_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_tcpudp(E) nft_compat(E) nft_chain_nat(E) nf_nat(E) nf_conntrack(E) nf_defrag_ipv6(E) nf_defrag_ipv4(E) nf_tables(E) libcrc32c(E) nfnetlink(E) bridge(E) stp(E) llc(E) bonding(E) intel_rapl_msr(E) intel_rapl_common(E) amd64_edac(E) edac_mce_amd(E) kvm_amd(E) tun(E) ipmi_ssif(E) rfkill(E) overlay(E) ghash_clmulni_intel(E) sha512_ssse3(E) sha512_generic(E) aesni_intel(E) libaes(E) crypto_simd(E) cryptd(E) rapl(E) wmi_bmof(E) binfmt_misc(E) kvm(E) irqbypass(E) nls_ascii(E) nls_cp437(E) vfat(E) fat(E) snd_usb_audio(E) snd_usbmidi_lib(E) snd_hwdep(E) mc(E) snd_pcm(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_seq(E) ast(E) snd_seq_device(E) drm_vram_helper(E) drm_ttm_helper(E) snd_timer(E) ttm(E) joydev(E) snd(E) ccp(E) drm_kms_helper(E) soundcore(E) sg(E) i2c_algo_bit(E) rng_core(E)
> [ 152.846629] k10temp(E) evdev(E) acpi_ipmi(E) ipmi_si(E) ipmi_devintf(E) ipmi_msghandler(E) acpi_cpufreq(E) button(E) squashfs(E) loop(E) sch_fq_codel(E) msr(E) parport_pc(E) ppdev(E) lp(E) ramoops(E) parport(E) reed_solomon(E) fuse(E) drm(E) efi_pstore(E) configfs(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc32c_generic(E) crc16(E) mbcache(E) jbd2(E) rndis_host(E) cdc_ether(E) usbnet(E) mii(E) hid_generic(E) usbhid(E) hid(E) sd_mod(E) t10_pi(E) crc64_rocksoft(E) crc64(E) crc_t10dif(E) crct10dif_generic(E) crct10dif_pclmul(E) crct10dif_common(E) crc32_pclmul(E) crc32c_intel(E) ahci(E) libahci(E) xhci_pci(E) libata(E) bnxt_en(E) xhci_hcd(E) scsi_mod(E) ptp(E) scsi_common(E) pps_core(E) usbcore(E) i2c_piix4(E) usb_common(E) wmi(E)
> [ 152.846657] Preemption disabled at:
> [ 152.846657] [<ffffffffc146a09a>] kvm_restrictedmem_invalidate_begin+0xba/0x1c0 [kvm]
> [ 152.846688] CPU: 108 PID: 8302 Comm: enarx Tainted: G W E 6.1.0-rc4+ #30
> [ 152.846690] Hardware name: Supermicro Super Server/H12SSL-NT, BIOS 2.4 04/14/2022
> [ 152.846691] Call Trace:
> [ 152.846692] <TASK>
> [ 152.846694] dump_stack_lvl+0x49/0x63
> [ 152.846695] ? kvm_restrictedmem_invalidate_begin+0xba/0x1c0 [kvm]
> [ 152.846723] dump_stack+0x10/0x16
> [ 152.846725] __schedule_bug.cold+0x81/0x92
> [ 152.846727] __schedule+0x809/0xa00
> [ 152.846729] ? asm_sysvec_call_function+0x1b/0x20
> [ 152.846731] schedule+0x6b/0xf0
> [ 152.846733] schedule_preempt_disabled+0x18/0x30
> [ 152.846735] __mutex_lock.constprop.0+0x723/0x750
> [ 152.846738] ? smp_call_function_many_cond+0xc1/0x2e0
> [ 152.846740] __mutex_lock_slowpath+0x13/0x20
> [ 152.846742] mutex_lock+0x49/0x60
> [ 152.846744] _vm_unmap_aliases+0x10e/0x160
> [ 152.846746] vm_unmap_aliases+0x19/0x20
> [ 152.846748] change_page_attr_set_clr+0xb7/0x1c0
> [ 152.846751] set_memory_p+0x29/0x30
> [ 152.846753] rmpupdate+0xd5/0x110
> [ 152.846756] rmp_make_shared+0xb7/0xc0
> [ 152.846758] snp_make_page_shared.constprop.0+0x4c/0x90 [kvm_amd]
> [ 152.846765] sev_invalidate_private_range+0x156/0x330 [kvm_amd]
> [ 152.846770] ? kvm_unmap_gfn_range+0xef/0x100 [kvm]
> [ 152.846801] kvm_arch_invalidate_restricted_mem+0xe/0x20 [kvm]
> [ 152.846829] kvm_restrictedmem_invalidate_begin+0x106/0x1c0 [kvm]
> [ 152.846856] restrictedmem_unregister_notifier+0x74/0x150
> [ 152.846859] kvm_free_memslot+0x6b/0x80 [kvm]
> [ 152.846885] kvm_free_memslots.part.0+0x47/0x70 [kvm]
> [ 152.846911] kvm_destroy_vm+0x222/0x320 [kvm]
> [ 152.846937] kvm_put_kvm+0x2a/0x50 [kvm]
> [ 152.846964] kvm_vm_release+0x22/0x30 [kvm]
> [ 152.846990] __fput+0xa8/0x280
> [ 152.846992] ____fput+0xe/0x20
> [ 152.846994] task_work_run+0x61/0xb0
> [ 152.846996] do_exit+0x362/0xb30
> [ 152.846998] ? tomoyo_path_number_perm+0x6f/0x200
> [ 152.847001] do_group_exit+0x38/0xa0
> [ 152.847003] get_signal+0x999/0x9c0
> [ 152.847005] arch_do_signal_or_restart+0x37/0x7e0
> [ 152.847008] ? __might_fault+0x26/0x30
> [ 152.847010] ? __rseq_handle_notify_resume+0xd5/0x4f0
> [ 152.847013] exit_to_user_mode_prepare+0xd3/0x170
> [ 152.847016] syscall_exit_to_user_mode+0x26/0x50
> [ 152.847019] do_syscall_64+0x48/0x90
> [ 152.847020] entry_SYSCALL_64_after_hwframe+0x63/0xcd
> [ 152.847022] RIP: 0033:0x7fa345f1aaff
> [ 152.847023] Code: Unable to access opcode bytes at 0x7fa345f1aad5.
> [ 152.847024] RSP: 002b:00007fff99d6c050 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
> [ 152.847026] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00007fa345f1aaff
> [ 152.847027] RDX: 00007fff99d6c188 RSI: 00000000c008aeba RDI: 0000000000000006
> [ 152.847028] RBP: 00007fff99576000 R08: 0000000000000000 R09: 0000000000000000
> [ 152.847029] R10: 0000000001680000 R11: 0000000000000246 R12: 00007fff99d752c0
> [ 152.847030] R13: 00007fff99d75270 R14: 0000000000000000 R15: 00007fff99577000
> [ 152.847032] </TASK>
>
> This bug can be triggered by destroying multiple SNP VMs at the same time.
I can also reproduce this one.
If I do "cargo test -- --test-threads=1", then this does not happen.
Even then I get this:
[ 232.054359] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 232.061466] ------------[ cut here ]------------
[ 232.061467] WARNING: CPU: 18 PID: 2436 at arch/x86/kvm/../../../virt/kvm/kvm_main.c:3665 mark_page_dirty_in_slot+0x99/0xd0
[ 232.061472] Modules linked in: af_packet irdma intel_rapl_msr i40e ib_uverbs ib_core dell_smbios wmi_bmof dell_wmi_descriptor evdev mac_hid dcdbas amd64_edac edac_mce_amd edac_core intel_rapl_common crc32_pclmul polyval_clmulni polyval_generic gf128mul ghash_clmulni_intel sha512_ssse3 sha512_generic aesni_intel libaes crypto_simd cryptd rapl deflate efi_pstore bonding tls cfg80211 rfkill ip6_tables xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_tcpudp ip6t_rpfilter ipt_rpfilter xt_pkttype nft_compat nf_tables libcrc32c sch_fq_codel nfnetlink atkbd libps2 serio vivaldi_fmap loop tun tap macvlan bridge stp llc ipmi_ssif ipmi_watchdog dm_round_robin dm_multipath kvm_amd mgag200 drm_shmem_helper drm_kms_helper i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt ice ptp pps_core sp5100_tco watchdog k10temp i2c_piix4 ptdma virt_dma hed tpm_crb wmi acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler tpm_tis tpm_tis_core tpm acpi_power_meter nls_iso8859_1 nls_cp437 vfat fat
[ 232.061525] tiny_power_button button ccp rng_core drm pstore fuse backlight i2c_core configfs efivarfs ip_tables x_tables autofs4 ext4 crc32c_generic crc16 mbcache jbd2 sd_mod ahci libahci xhci_pci xhci_pci_renesas libata xhci_hcd nvme nvme_core scsi_mod usbcore t10_pi crc32c_intel crc64_rocksoft crc64 crc_t10dif scsi_common crct10dif_generic crct10dif_pclmul crct10dif_common usb_common rtc_cmos dm_mod dax
[ 232.061547] CPU: 18 PID: 2436 Comm: enarx Not tainted 6.1.0-rc4 #1-NixOS
[ 232.061549] Hardware name: Dell Inc. PowerEdge R6515/068NXX, BIOS 2.6.6 01/13/2022
[ 232.061550] RIP: 0010:mark_page_dirty_in_slot+0x99/0xd0
[ 232.061552] Code: 83 04 01 00 00 4c 2b a3 b0 00 00 00 85 d2 74 27 c1 e6 10 5b 49 8d bd f8 19 00 00 5d 4c 89 e2 09 c6 41 5c 41 5d e9 07 aa 00 00 <0f> 0b 5b 5d 41 5c 41 5d c3 cc cc cc cc 48 8b 83 c0 00 00 00 49 63
[ 232.061553] RSP: 0018:ffffc169265978f0 EFLAGS: 00010246
[ 232.061555] RAX: 0000000080000000 RBX: ffffa0c045c49600 RCX: 0000000000000000
[ 232.061556] RDX: 0000000000000001 RSI: ffffffff92d076bd RDI: 00000000ffffffff
[ 232.061557] RBP: ffffc1692177d000 R08: 0000000000000001 R09: 0000000000001000
[ 232.061557] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000000ffe02
[ 232.061558] R13: 0000000000000000 R14: ffffc1692177d000 R15: 00007f6cacf89000
[ 232.061559] FS: 00007f6cacfc3540(0000) GS:ffffa0cfffa80000(0000) knlGS:0000000000000000
[ 232.061560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 232.061561] CR2: 00007f6cacf89020 CR3: 000000208c9c6005 CR4: 0000000000770ee0
[ 232.061561] PKRU: 55555554
[ 232.061562] Call Trace:
[ 232.061563] <TASK>
[ 232.061566] __kvm_write_guest_page+0xac/0xf0
[ 232.061569] snp_launch_update_gfn_handler.cold+0x5e/0xfe [kvm_amd]
[ 232.061578] kvm_vm_do_hva_range_op+0x142/0x1c0
[ 232.061579] ? sev_launch_update_gfn_handler+0x470/0x470 [kvm_amd]
[ 232.061585] sev_mem_enc_ioctl+0x4dd/0x1270 [kvm_amd]
[ 232.061591] ? sev_pin_memory+0x159/0x1a0 [kvm_amd]
[ 232.061595] ? sev_mem_enc_register_region+0xe3/0x130 [kvm_amd]
[ 232.061602] kvm_arch_vm_ioctl+0x6a6/0xc20
[ 232.061604] ? __blk_flush_plug+0x102/0x160
[ 232.061606] ? _raw_spin_unlock_irqrestore+0x23/0x40
[ 232.061609] ? get_page_from_freelist+0x1451/0x15a0
[ 232.061612] ? __mod_node_page_state+0x7c/0xb0
[ 232.061615] ? try_charge_memcg+0x466/0x800
[ 232.061618] ? __mod_node_page_state+0x7c/0xb0
[ 232.061619] ? __mod_memcg_lruvec_state+0x6e/0xd0
[ 232.061620] kvm_vm_ioctl+0x7ba/0x1290
[ 232.061622] ? folio_add_lru+0x6e/0xa0
[ 232.061624] ? _raw_spin_unlock+0x15/0x30
[ 232.061626] ? __handle_mm_fault+0xace/0xc70
[ 232.061629] ? handle_mm_fault+0xb2/0x2a0
[ 232.061630] __x64_sys_ioctl+0x8a/0xc0
[ 232.061634] do_syscall_64+0x3b/0x90
[ 232.061636] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 232.061638] RIP: 0033:0x7f6cad0c1e37
[ 232.061659] Code: ff ff 48 89 d8 5b 5d 41 5c c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb c9 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b1 0f 0f 00 f7 d8 64 89 01 48
[ 232.061660] RSP: 002b:00007ffee9081668 EFLAGS: 00000216 ORIG_RAX: 0000000000000010
[ 232.061661] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6cad0c1e37
[ 232.061662] RDX: 00007ffee9081748 RSI: 00000000c008aeba RDI: 0000000000000004
[ 232.061663] RBP: 00007ffee888e000 R08: 0000000000000006 R09: 0000000000000000
[ 232.061663] R10: 0000000000001000 R11: 0000000000000216 R12: 00007ffee908a260
[ 232.061664] R13: 00007ffee908a210 R14: 0000000000000000 R15: 00007ffee888f000
[ 232.061665] </TASK>
[ 232.061666] ---[ end trace 0000000000000000 ]---
[ 232.759176] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 233.449477] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 235.284941] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 237.129469] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 237.978020] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 239.034002] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 239.598148] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 240.152122] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 240.718185] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 241.271235] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 241.836286] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 242.390345] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 242.962499] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 243.501430] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
[ 244.093547] SEV-SNP launch update failed, ret: 0xfffffffb, fw_error: 0x16
There is no cumulative klog output, i.e. only first run of cargo test emits this.
Also software runs without issues, including attestation and everything.
BR, Jarkko
next prev parent reply other threads:[~2023-01-26 15:52 UTC|newest]
Thread overview: 205+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-14 19:39 [PATCH RFC v7 00/64] Add AMD Secure Nested Paging (SEV-SNP) Hypervisor Support Michael Roth
2022-12-14 19:39 ` [PATCH RFC v7 01/64] KVM: Fix memslot boundary condition for large page Michael Roth
2022-12-22 12:16 ` Borislav Petkov
2023-01-05 3:37 ` Chao Peng
2023-01-04 12:01 ` Jarkko Sakkinen
2023-01-05 3:34 ` Chao Peng
2023-01-05 4:08 ` Nikunj A. Dadhania
2023-01-05 8:14 ` Chao Peng
2022-12-14 19:39 ` [PATCH RFC v7 02/64] KVM: x86: Add KVM_CAP_UNMAPPED_PRIVATE_MEMORY Michael Roth
2022-12-22 12:26 ` Borislav Petkov
2023-01-04 17:47 ` Michael Roth
2023-01-05 11:57 ` Borislav Petkov
2023-01-19 13:03 ` Jarkko Sakkinen
2023-01-04 12:03 ` Jarkko Sakkinen
2023-01-04 17:56 ` Michael Roth
2022-12-14 19:39 ` [PATCH RFC v7 03/64] KVM: SVM: Advertise private memory support to KVM Michael Roth
2022-12-23 16:56 ` Borislav Petkov
2023-01-05 2:14 ` Michael Roth
2023-01-05 15:04 ` Borislav Petkov
2023-01-05 18:17 ` Michael Roth
2023-01-13 14:16 ` Borislav Petkov
2023-01-20 21:20 ` Jarkko Sakkinen
2023-02-20 16:18 ` Michael Roth
2023-01-18 0:20 ` Huang, Kai
2023-01-18 21:33 ` Sean Christopherson
2022-12-14 19:39 ` [PATCH RFC v7 04/64] KVM: x86: Add 'fault_is_private' x86 op Michael Roth
2022-12-29 16:14 ` Borislav Petkov
2023-01-05 2:42 ` Michael Roth
2023-01-13 14:34 ` Borislav Petkov
2023-01-13 15:48 ` Sean Christopherson
2023-01-13 18:45 ` Borislav Petkov
2023-02-20 16:22 ` Michael Roth
2022-12-14 19:39 ` [PATCH RFC v7 05/64] KVM: x86: Add 'update_mem_attr' " Michael Roth
2022-12-30 11:27 ` Borislav Petkov
2022-12-14 19:39 ` [PATCH RFC v7 06/64] KVM: x86: Add platform hooks for private memory invalidations Michael Roth
2022-12-30 11:53 ` Borislav Petkov
2023-01-05 2:27 ` Michael Roth
2023-01-22 12:43 ` Tom Dohrmann
2023-01-26 15:52 ` Jarkko Sakkinen [this message]
2022-12-14 19:39 ` [PATCH RFC v7 07/64] KVM: SEV: Handle KVM_HC_MAP_GPA_RANGE hypercall Michael Roth
2023-01-13 16:00 ` Borislav Petkov
2023-01-13 16:17 ` Sean Christopherson
2023-01-16 7:56 ` Nikunj A. Dadhania
2023-01-17 17:19 ` Sean Christopherson
2023-01-27 16:35 ` Jeremi Piotrowski
2023-01-31 14:15 ` Jeremi Piotrowski
2022-12-14 19:40 ` [PATCH RFC v7 08/64] KVM: Move kvm_for_each_memslot_in_hva_range() to be used in SVM Michael Roth
2023-01-13 18:46 ` Borislav Petkov
2022-12-14 19:40 ` [PATCH RFC v7 09/64] KVM: Add HVA range operator Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 10/64] KVM: SEV: Populate private memory fd during LAUNCH_UPDATE_DATA Michael Roth
2023-01-13 19:11 ` Borislav Petkov
2023-02-20 17:49 ` Michael Roth
2023-01-17 23:42 ` Jarkko Sakkinen
2023-02-20 17:54 ` Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 11/64] KVM: SEV: Support private pages in LAUNCH_UPDATE_DATA Michael Roth
2022-12-22 18:24 ` erbse.13
2022-12-23 11:57 ` Nikunj A. Dadhania
2023-01-17 23:30 ` Jarkko Sakkinen
2023-01-18 8:04 ` Nikunj A. Dadhania
2023-02-01 18:22 ` Borislav Petkov
2023-02-02 8:09 ` Nikunj A. Dadhania
2022-12-14 19:40 ` [PATCH RFC v7 12/64] KVM: SEV: Implement .fault_is_private callback Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 13/64] x86/cpufeatures: Add SEV-SNP CPU feature Michael Roth
2023-02-01 18:39 ` Borislav Petkov
2023-02-20 16:26 ` Michael Roth
2023-02-20 17:50 ` Borislav Petkov
2023-02-20 18:00 ` Michael Roth
2023-02-20 18:36 ` Borislav Petkov
2022-12-14 19:40 ` [PATCH RFC v7 14/64] x86/sev: Add the host SEV-SNP initialization support Michael Roth
2023-01-11 14:50 ` Sabin Rapan
2023-01-19 16:26 ` Kalra, Ashish
2023-01-18 15:55 ` Jeremi Piotrowski
2023-01-19 23:59 ` Kalra, Ashish
2023-01-20 16:51 ` Kalra, Ashish
2023-02-02 11:16 ` Borislav Petkov
2022-12-14 19:40 ` [PATCH RFC v7 15/64] x86/sev: Add RMP entry lookup helpers Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 16/64] x86/sev: Add helper functions for RMPUPDATE and PSMASH instruction Michael Roth
2023-01-31 21:26 ` Alexander Graf
2023-02-01 17:14 ` Kalra, Ashish
2023-02-01 17:20 ` Alexander Graf
2023-02-02 19:04 ` Kalra, Ashish
2023-02-08 16:30 ` Liam Merwick
2022-12-14 19:40 ` [PATCH RFC v7 17/64] x86/mm/pat: Introduce set_memory_p Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 18/64] x86/sev: Invalidate pages from the direct map when adding them to the RMP table Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 19/64] x86/traps: Define RMP violation #PF error code Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 20/64] x86/fault: Add support to handle the RMP fault for user address Michael Roth
2023-01-17 10:42 ` Zhi Wang
2022-12-14 19:40 ` [PATCH RFC v7 21/64] x86/fault: fix handle_split_page_fault() to work with memfd backed pages Michael Roth
2022-12-15 1:01 ` Hugh Dickins
2022-12-14 19:40 ` [PATCH RFC v7 22/64] x86/fault: Return pfn from dump_pagetable() for SEV-specific fault handling Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 23/64] x86/fault: Add support to dump RMP entry on fault Michael Roth
2023-01-13 22:56 ` Alper Gun
2023-01-13 23:49 ` Kalra, Ashish
2022-12-14 19:40 ` [PATCH RFC v7 24/64] crypto:ccp: Define the SEV-SNP commands Michael Roth
2023-01-22 16:09 ` Sabin Rapan
2022-12-14 19:40 ` [PATCH RFC v7 25/64] crypto: ccp: Add support to initialize the AMD-SP for SEV-SNP Michael Roth
2022-12-31 15:32 ` Jarkko Sakkinen
2023-01-05 22:40 ` Kalra, Ashish
2023-01-20 22:19 ` Jarkko Sakkinen
2023-01-04 12:12 ` Jarkko Sakkinen
2023-01-05 22:54 ` Kalra, Ashish
2023-01-20 22:56 ` Jarkko Sakkinen
2022-12-14 19:40 ` [PATCH RFC v7 26/64] crypto:ccp: Provide API to issue SEV and SNP commands Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 27/64] crypto: ccp: Introduce snp leaked pages list Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 28/64] crypto: ccp: Handle the legacy TMR allocation when SNP is enabled Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 29/64] crypto: ccp: Handle the legacy SEV command " Michael Roth
2023-01-12 20:47 ` Alper Gun
2023-01-13 22:03 ` Kalra, Ashish
2023-01-13 22:42 ` Alper Gun
2023-01-13 22:48 ` Kalra, Ashish
2023-01-12 23:45 ` Alper Gun
2023-01-13 22:34 ` Kalra, Ashish
2022-12-14 19:40 ` [PATCH RFC v7 30/64] crypto: ccp: Add the SNP_PLATFORM_STATUS command Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 31/64] crypto: ccp: Add the SNP_{SET,GET}_EXT_CONFIG command Michael Roth
2023-01-19 7:23 ` Dov Murik
2022-12-14 19:40 ` [PATCH RFC v7 32/64] crypto: ccp: Provide APIs to query extended attestation report Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 33/64] KVM: SVM: Add support to handle AP reset MSR protocol Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 34/64] KVM: SVM: Provide the Hypervisor Feature support VMGEXIT Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 35/64] KVM: SVM: Make AVIC backing, VMSA and VMCB memory allocation SNP safe Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 36/64] KVM: SVM: Add initial SEV-SNP support Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 37/64] KVM: SVM: Add KVM_SNP_INIT command Michael Roth
2022-12-31 14:27 ` Jarkko Sakkinen
2022-12-31 14:47 ` Jarkko Sakkinen
2022-12-31 15:16 ` Jarkko Sakkinen
2023-01-05 23:37 ` Kalra, Ashish
2023-01-20 23:17 ` Jarkko Sakkinen
2023-01-23 22:49 ` Kalra, Ashish
2023-01-26 21:25 ` Jarkko Sakkinen
2022-12-14 19:40 ` [PATCH RFC v7 38/64] KVM: SVM: Add KVM_SEV_SNP_LAUNCH_START command Michael Roth
2023-03-15 13:50 ` Peter Gonda
2022-12-14 19:40 ` [PATCH RFC v7 39/64] KVM: SVM: Add KVM_SEV_SNP_LAUNCH_UPDATE command Michael Roth
2023-01-11 13:56 ` Tom Dohrmann
2023-01-11 14:04 ` Harald Hoyer
2022-12-14 19:40 ` [PATCH RFC v7 40/64] KVM: SVM: Add KVM_SEV_SNP_LAUNCH_FINISH command Michael Roth
2022-12-19 18:04 ` Tom Lendacky
2022-12-19 23:24 ` Kalra, Ashish
2022-12-20 14:25 ` Tom Lendacky
2023-01-11 13:27 ` Sabin Rapan
2023-01-11 23:18 ` Kalra, Ashish
2022-12-14 19:40 ` [PATCH RFC v7 41/64] KVM: X86: Keep the NPT and RMP page level in sync Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 42/64] KVM: x86: Define RMP page fault error bits for #NPF Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 43/64] KVM: SVM: Do not use long-lived GHCB map while setting scratch area Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 44/64] KVM: SVM: Remove the long-lived GHCB host map Michael Roth
2023-01-18 15:27 ` Jeremi Piotrowski
2023-01-18 18:15 ` Alper Gun
2023-01-20 20:10 ` Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 45/64] KVM: SVM: Add support to handle GHCB GPA register VMGEXIT Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 46/64] KVM: SVM: Add KVM_EXIT_VMGEXIT Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 47/64] KVM: SVM: Add support to handle MSR based Page State Change VMGEXIT Michael Roth
2023-01-11 14:38 ` Tom Dohrmann
2022-12-14 19:40 ` [PATCH RFC v7 48/64] KVM: SVM: Add support to handle " Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 49/64] KVM: SVM: Introduce ops for the post gfn map and unmap Michael Roth
2023-01-11 13:49 ` Sabin Rapan
2022-12-14 19:40 ` [PATCH RFC v7 50/64] KVM: x86: Export the kvm_zap_gfn_range() for the SNP use Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 51/64] KVM: SVM: Add support to handle the RMP nested page fault Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 52/64] KVM: SVM: Provide support for SNP_GUEST_REQUEST NAE event Michael Roth
2023-01-09 3:33 ` Alexey Kardashevskiy
2023-01-09 23:41 ` Kalra, Ashish
2023-01-10 2:28 ` Alexey Kardashevskiy
2023-01-10 8:33 ` Kalra, Ashish
2023-01-11 0:48 ` Alexey Kardashevskiy
2023-01-11 2:01 ` Kalra, Ashish
2023-01-31 1:54 ` Alexey Kardashevskiy
2023-01-31 16:23 ` Tom Lendacky
2023-01-31 20:21 ` Alexey Kardashevskiy
2023-01-31 21:21 ` Tom Lendacky
2023-01-31 22:00 ` Alexey Kardashevskiy
2023-01-31 22:42 ` Tom Lendacky
2023-05-11 23:02 ` Dionna Amalie Glaze
2023-05-11 23:32 ` Sean Christopherson
2023-05-15 16:45 ` Dionna Amalie Glaze
2023-01-31 17:52 ` Kalra, Ashish
2023-02-06 3:13 ` [PATCH kernel] KVM: SVM: Fix SVM_VMGEXIT_EXT_GUEST_REQUEST to follow the rest of API Alexey Kardashevskiy
2023-02-06 21:57 ` Kalra, Ashish
2023-02-07 1:24 ` Alexey Kardashevskiy
2023-02-08 21:50 ` Kalra, Ashish
2023-01-19 20:35 ` [PATCH RFC v7 52/64] KVM: SVM: Provide support for SNP_GUEST_REQUEST NAE event Dionna Amalie Glaze
2023-01-19 20:54 ` Kalra, Ashish
2023-01-19 21:06 ` Dov Murik
2022-12-14 19:40 ` [PATCH RFC v7 53/64] KVM: SVM: Use a VMSA physical address variable for populating VMCB Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 54/64] KVM: SVM: Support SEV-SNP AP Creation NAE event Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 55/64] KVM: SVM: Add SNP-specific handling for memory attribute updates Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 56/64] KVM: x86/mmu: Generate KVM_EXIT_MEMORY_FAULT for implicit conversions for SNP Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 57/64] KVM: SEV: Handle restricted memory invalidations " Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 58/64] KVM: SVM: Add module parameter to enable the SEV-SNP Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 59/64] ccp: Add support to decrypt the page Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 60/64] KVM: SVM: Sync the GHCB scratch buffer using already mapped ghcb Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 61/64] KVM: SVM: Make VMSAVE target area memory allocation SNP safe Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 62/64] x86/sev: Add KVM commands for instance certs Michael Roth
2022-12-22 14:57 ` Dov Murik
2023-01-09 16:55 ` Dionna Amalie Glaze
2023-01-09 22:27 ` Tom Lendacky
2023-01-10 7:10 ` Dov Murik
2023-01-10 15:10 ` Tom Lendacky
2023-01-10 15:23 ` Peter Gonda
2023-01-11 7:26 ` Dov Murik
2023-01-11 6:00 ` Dov Murik
2023-01-11 14:32 ` Tom Lendacky
2023-01-19 18:49 ` Dionna Amalie Glaze
2023-01-19 22:18 ` Kalra, Ashish
2023-01-20 1:40 ` Dionna Amalie Glaze
2022-12-14 19:40 ` [PATCH RFC v7 63/64] x86/sev: Document KVM_SEV_SNP_{G,S}ET_CERTS Michael Roth
2022-12-14 19:40 ` [PATCH RFC v7 64/64] iommu/amd: Add IOMMU_SNP_SHUTDOWN support Michael Roth
2022-12-23 20:33 ` [PATCH RFC v7 00/64] Add AMD Secure Nested Paging (SEV-SNP) Hypervisor Support Borislav Petkov
2023-01-04 17:21 ` Michael Roth
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