https://bugzilla.kernel.org/show_bug.cgi?id=213643 Bug ID: 213643 Summary: crash when running ubuntu VM with libvirtd Product: Virtualization Version: unspecified Kernel Version: 5.12.14-zen1-1-zen Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: zebul666@xxxxxxxxxxx Regression: No This occured when running an ubuntu VM on archlinux using the zen kernel kernel 5.12.14-zen1-1-zen 2021-07-05T16:24:23+0000 kernel: BUG: kernel NULL pointer dereference, address: 0000000000000000 2021-07-05T16:24:23+0000 kernel: #PF: supervisor read access in kernel mode 2021-07-05T16:24:23+0000 kernel: #PF: error_code(0x0000) - not-present page 2021-07-05T16:24:23+0000 kernel: PGD 0 P4D 0 2021-07-05T16:24:23+0000 kernel: Oops: 0000 [#1] PREEMPT SMP PTI 2021-07-05T16:24:23+0000 kernel: CPU: 1 PID: 277393 Comm: CPU 1/KVM Tainted: G U OE 5.12.14-zen1-1-zen #1 2021-07-05T16:24:23+0000 kernel: Hardware name: Dell Inc. OptiPlex 7060/XXXXXX, BIOS 1.12.0 05/05/2021 2021-07-05T16:24:23+0000 kernel: RIP: 0010:__list_del_entry_valid+0x25/0x90 2021-07-05T16:24:23+0000 kernel: Code: c3 0f 1f 40 00 48 8b 17 4c 8b 47 08 48 b8 00 01 00 00 00 00 ad de 48 39 c2 74 26 48 b8 22 01 00 00 00 00 ad de 49 39 c0 74 2b <49> 8b 30 48 39 fe 75 3a 48 8b 52 08 48 39 f2 75 48 b8 01 00 00 00 2021-07-05T16:24:23+0000 kernel: RSP: 0018:ffffb3dcc14830d0 EFLAGS: 00010217 2021-07-05T16:24:23+0000 kernel: RAX: dead000000000122 RBX: ffff8e3587327480 RCX: 0000000000000000 2021-07-05T16:24:23+0000 kernel: RDX: 0000000000000000 RSI: ffff8e362c76e308 RDI: ffff8e358f89a000 2021-07-05T16:24:23+0000 kernel: RBP: ffff8e358f89a010 R08: 0000000000000000 R09: 0000000000000001 2021-07-05T16:24:23+0000 kernel: R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 2021-07-05T16:24:23+0000 kernel: R13: ffff8e3587327488 R14: ffff8e358f89a000 R15: 000000000000000c 2021-07-05T16:24:23+0000 kernel: FS: 00007fb71bfff640(0000) GS:ffff8e36f4440000(0000) knlGS:0000000000000000 2021-07-05T16:24:23+0000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2021-07-05T16:24:23+0000 kernel: CR2: 0000000000000000 CR3: 000000010ffb2006 CR4: 00000000003726e0 2021-07-05T16:24:23+0000 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 2021-07-05T16:24:23+0000 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 2021-07-05T16:24:23+0000 kernel: Call Trace: 2021-07-05T16:24:23+0000 kernel: z3fold_zpool_malloc+0xf5/0xa50 2021-07-05T16:24:23+0000 kernel: zswap_frontswap_store+0x3d8/0x7a0 2021-07-05T16:24:23+0000 kernel: __frontswap_store+0x6e/0x100 2021-07-05T16:24:23+0000 kernel: swap_writepage+0x39/0x70 2021-07-05T16:24:23+0000 kernel: shrink_page_list+0xd37/0x1210 2021-07-05T16:24:23+0000 kernel: evict_lru_gen_pages+0x1942/0x1e30 2021-07-05T16:24:23+0000 kernel: ? __activate_page+0x6cc/0xb40 2021-07-05T16:24:23+0000 kernel: shrink_lruvec+0x2df/0xaa0 2021-07-05T16:24:23+0000 kernel: ? mem_cgroup_iter+0xd7/0x2b0 2021-07-05T16:24:23+0000 kernel: shrink_node+0x22e/0x870 2021-07-05T16:24:23+0000 kernel: do_try_to_free_pages+0xda/0x4c0 2021-07-05T16:24:23+0000 kernel: try_to_free_pages+0x224/0x530 2021-07-05T16:24:23+0000 kernel: __alloc_pages_nodemask+0x75b/0x10e0 2021-07-05T16:24:23+0000 kernel: ? alloc_pages_vma+0x238/0x410 2021-07-05T16:24:23+0000 kernel: do_huge_pmd_anonymous_page+0x197/0x8b0 2021-07-05T16:24:23+0000 kernel: handle_mm_fault+0xeca/0x1630 2021-07-05T16:24:23+0000 kernel: __get_user_pages+0x2f4/0x830 2021-07-05T16:24:23+0000 kernel: get_user_pages_unlocked+0xcc/0x320 2021-07-05T16:24:23+0000 kernel: hva_to_pfn+0x102/0x480 [kvm] 2021-07-05T16:24:23+0000 kernel: ? set_spte+0xb1/0x140 [kvm] 2021-07-05T16:24:23+0000 kernel: try_async_pf+0xa6/0x2a0 [kvm] 2021-07-05T16:24:23+0000 kernel: direct_page_fault+0x301/0xf50 [kvm] 2021-07-05T16:24:23+0000 kernel: ? kvm_mtrr_check_gfn_range_consistency+0x7f/0x370 [kvm] 2021-07-05T16:24:23+0000 kernel: kvm_mmu_page_fault+0xcc/0x890 [kvm] 2021-07-05T16:24:23+0000 kernel: ? vcpu_enter_guest+0xc41/0x1a30 [kvm] 2021-07-05T16:24:23+0000 kernel: ? rcuwait_wake_up+0x2e/0x40 2021-07-05T16:24:23+0000 kernel: vmx_handle_exit+0x120/0x7c0 [kvm_intel] 2021-07-05T16:24:23+0000 kernel: kvm_arch_vcpu_ioctl_run+0xd0/0x8f0 [kvm] 2021-07-05T16:24:23+0000 kernel: kvm_vcpu_ioctl+0x25b/0x600 [kvm] 2021-07-05T16:24:23+0000 kernel: __x64_sys_ioctl+0x82/0xb0 2021-07-05T16:24:23+0000 kernel: do_syscall_64+0x33/0x40 2021-07-05T16:24:23+0000 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xae 2021-07-05T16:24:23+0000 kernel: RIP: 0033:0x7fb733d9259b 2021-07-05T16:24:23+0000 kernel: Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a5 a8 0c 00 f7 d8 64 89 01 48 2021-07-05T16:24:23+0000 kernel: RSP: 002b:00007fb71bffe578 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 2021-07-05T16:24:23+0000 kernel: RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007fb733d9259b 2021-07-05T16:24:23+0000 kernel: RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001a 2021-07-05T16:24:23+0000 kernel: RBP: 0000559c663794f0 R08: 0000559c6381b358 R09: 00000000ffffffff 2021-07-05T16:24:23+0000 kernel: R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 2021-07-05T16:24:23+0000 kernel: R13: 0000000000000006 R14: 00007fb71bfff640 R15: 0000000000000000 2021-07-05T16:24:23+0000 kernel: Modules linked in: xfs nilfs2 jfs btrfs blake2b_generic xor raid6_pq vhost_net vhost vhost_iotlb tap tun xt_CHECKSUM xt_MASQUERADE bridge stp llc xt_nat wireguard curve25519_x86_64 libchacha20poly1305 chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_64 libcurve25519_generic libchacha libblake2s_generic ip6_udp_tunnel udp_tunnel exfat rfcomm xt_multiport xt_cgroup xt_mark xt_owner ip6table_raw iptable_raw ip6table_mangle iptable_mangle ip6table_nat iptable_nat cmac algif_hash algif_skcipher af_alg bnep snd_sof_pci_intel_cnl snd_sof_intel_hda_common snd_hda_codec_hdmi soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof snd_sof_xtensa_dsp soundwire_bus snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi intel_rapl_msr intel_rapl_common snd_soc_core snd_hda_codec_realtek x86_pkg_temp_thermal snd_hda_codec_generic snd_compress ac97_bus intel_powerclamp 2021-07-05T16:24:23+0000 kernel: ledtrig_audio coretemp snd_pcm_dmaengine snd_hda_intel snd_intel_dspcfg kvm_intel snd_intel_sdw_acpi snd_hda_codec snd_hda_core nls_iso8859_1 dell_wmi iTCO_wdt vfat snd_hwdep intel_pmc_bxt dell_smbios fat ee1004 kvm snd_pcm mei_wdt mei_hdcp iTCO_vendor_support dcdbas dell_wmi_sysman dell_wmi_descriptor dell_wmi_aio wmi_bmof sparse_keymap intel_wmi_thunderbolt irqbypass rapl 88XXau(OE) intel_cstate intel_uncore essiv pcspkr authenc snd_timer intel_spi_pci intel_spi spi_nor btusb e1000e snd btrtl i2c_i801 btbcm i2c_smbus mtd btintel soundcore cfg80211 bluetooth uas mousedev mei_me tpm_crb ecdh_generic intel_lpss_pci ecc mei intel_lpss rfkill idma64 intel_pch_thermal wmi tpm_tis tpm_tis_core mac_hid acpi_pad nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype xt_tcpudp xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp 2021-07-05T16:24:23+0000 kernel: nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_filter dell_smm_hwmon sg crypto_user fuse bpf_preload ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 usb_storage dm_crypt cbc encrypted_keys dm_mod trusted tpm rng_core hid_logitech_hidpp hid_logitech_dj usbhid crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel crypto_simd cryptd sr_mod cdrom xhci_pci xhci_pci_renesas i915 i2c_algo_bit intel_gtt video drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec drm agpgart 2021-07-05T16:24:23+0000 kernel: CR2: 0000000000000000 2021-07-05T16:24:23+0000 kernel: ---[ end trace b0c1037e77a42484 ]--- 2021-07-05T16:24:23+0000 kernel: RIP: 0010:__list_del_entry_valid+0x25/0x90 2021-07-05T16:24:23+0000 kernel: Code: c3 0f 1f 40 00 48 8b 17 4c 8b 47 08 48 b8 00 01 00 00 00 00 ad de 48 39 c2 74 26 48 b8 22 01 00 00 00 00 ad de 49 39 c0 74 2b <49> 8b 30 48 39 fe 75 3a 48 8b 52 08 48 39 f2 75 48 b8 01 00 00 00 2021-07-05T16:24:23+0000 kernel: RSP: 0018:ffffb3dcc14830d0 EFLAGS: 00010217 2021-07-05T16:24:23+0000 kernel: RAX: dead000000000122 RBX: ffff8e3587327480 RCX: 0000000000000000 2021-07-05T16:24:23+0000 kernel: RDX: 0000000000000000 RSI: ffff8e362c76e308 RDI: ffff8e358f89a000 2021-07-05T16:24:23+0000 kernel: RBP: ffff8e358f89a010 R08: 0000000000000000 R09: 0000000000000001 2021-07-05T16:24:23+0000 kernel: R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 2021-07-05T16:24:23+0000 kernel: R13: ffff8e3587327488 R14: ffff8e358f89a000 R15: 000000000000000c 2021-07-05T16:24:23+0000 kernel: FS: 00007fb71bfff640(0000) GS:ffff8e36f4440000(0000) knlGS:0000000000000000 2021-07-05T16:24:23+0000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2021-07-05T16:24:23+0000 kernel: CR2: 0000000000000000 CR3: 000000010ffb2006 CR4: 00000000003726e0 2021-07-05T16:24:23+0000 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 2021-07-05T16:24:23+0000 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 2021-07-05T16:24:23+0000 kernel: note: CPU 1/KVM[277393] exited with preempt_count 2 -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
