Mar 8 15:11:04 cmp22.ru-5a [443757.674016] device tap9d95e997-53 left promiscuous mode Mar 8 15:11:04 cmp22.ru-5a [443758.118497] audit: type=1400 audit(1615205464.528:1150): apparmor="STATUS" operation="profile_remove" profile="unconfined" name="libvirt-14828e38-c24b-4481-b306-ac1352b7dafb" pid=1850999 comm="apparmor_parser" Mar 8 15:11:04 cmp22.ru-5a [443758.188742] BUG: kernel NULL pointer dereference, address: 00000000000007a3 Mar 8 15:11:04 cmp22.ru-5a [443758.197377] #PF: supervisor read access in kernel mode Mar 8 15:11:04 cmp22.ru-5a [443758.204134] #PF: error_code(0x0000) - not-present page Mar 8 15:11:04 cmp22.ru-5a [443758.210882] PGD 0 P4D 0 Mar 8 15:11:04 cmp22.ru-5a [443758.214999] Oops: 0000 [#1] SMP PTI Mar 8 15:11:04 cmp22.ru-5a [443758.220042] CPU: 0 PID: 45196 Comm: libvirtd Tainted: G OE 5.4.0-66-generic #74~18.04.2-Ubuntu Mar 8 15:11:04 cmp22.ru-5a [443758.231439] Hardware name: Supermicro Super Server/X10DRW-i, BIOS 3.1 06/07/2018 Mar 8 15:11:04 cmp22.ru-5a [443758.240396] RIP: 0010:cgroup_addrm_files+0x51/0x370 Mar 8 15:11:04 cmp22.ru-5a [443758.246819] Code: 50 ff ff ff 48 89 95 58 ff ff ff 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8b 85 58 ff ff ff 48 39 c3 0f 84 a8 01 00 00 <80> 38 00 0f 84 9f 01 00 00 49 89 c6 eb 2b 49 81 bf 08 02 00 00 60 Mar 8 15:11:04 cmp22.ru-5a [443758.268601] RSP: 0018:ffffa3564fdcfd08 EFLAGS: 00010293 Mar 8 15:11:04 cmp22.ru-5a [443758.275348] RAX: 00000000000007a3 RBX: 0000000000000000 RCX: 0000000000000000 Mar 8 15:11:04 cmp22.ru-5a [443758.283998] RDX: 00000000000007a3 RSI: ffff974873fca000 RDI: ffff974873fca000 Mar 8 15:11:04 cmp22.ru-5a [443758.292626] RBP: ffffa3564fdcfdc0 R08: 0000000000000000 R09: ffffffff96384200 Mar 8 15:11:04 cmp22.ru-5a [443758.301230] R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000000 Mar 8 15:11:04 cmp22.ru-5a [443758.309817] R13: 0000000000000000 R14: ffff97483cd57000 R15: ffff974873fca000 Mar 8 15:11:04 cmp22.ru-5a [443758.318384] FS: 00007fe02a7fc700(0000) GS:ffff9729bf600000(0000) knlGS:0000000000000000 Mar 8 15:11:04 cmp22.ru-5a [443758.327887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 8 15:11:04 cmp22.ru-5a [443758.335033] CR2: 00000000000007a3 CR3: 0000003eb81c4003 CR4: 00000000003626f0 Mar 8 15:11:04 cmp22.ru-5a [443758.343550] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Mar 8 15:11:04 cmp22.ru-5a [443758.352058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Mar 8 15:11:04 cmp22.ru-5a [443758.360544] Call Trace: Mar 8 15:11:04 cmp22.ru-5a [443758.364323] ? cset_cgroup_from_root+0x70/0x70 Mar 8 15:11:04 cmp22.ru-5a [443758.370076] ? call_rcu+0x10/0x20 Mar 8 15:11:04 cmp22.ru-5a [443758.374674] ? __percpu_ref_switch_mode+0xda/0x190 Mar 8 15:11:04 cmp22.ru-5a [443758.380722] css_clear_dir+0x50/0xa0 Mar 8 15:11:04 cmp22.ru-5a [443758.385532] cgroup_destroy_locked+0xc5/0x180 Mar 8 15:11:04 cmp22.ru-5a [443758.391099] cgroup_rmdir+0x2e/0xe0 Mar 8 15:11:04 cmp22.ru-5a [443758.395779] kernfs_iop_rmdir+0x63/0xa0 Mar 8 15:11:04 cmp22.ru-5a [443758.400781] vfs_rmdir+0x81/0x190 Mar 8 15:11:04 cmp22.ru-5a [443758.405236] do_rmdir+0x1e4/0x210 Mar 8 15:11:04 cmp22.ru-5a [443758.409663] __x64_sys_rmdir+0x17/0x20 Mar 8 15:11:04 cmp22.ru-5a [443758.414504] do_syscall_64+0x57/0x190 Mar 8 15:11:04 cmp22.ru-5a [443758.419227] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Mar 8 15:11:04 cmp22.ru-5a [443758.425319] RIP: 0033:0x7fe12f28be77 Mar 8 15:11:04 cmp22.ru-5a [443758.429912] Code: 73 01 c3 48 8b 0d 11 90 2d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 8f 2d 00 f7 d8 64 89 01 48 Mar 8 15:11:04 cmp22.ru-5a [443758.450669] RSP: 002b:00007fe02a7fb898 EFLAGS: 00000202 ORIG_RAX: 0000000000000054 Mar 8 15:11:04 cmp22.ru-5a [443758.459258] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe12f28be77 Mar 8 15:11:04 cmp22.ru-5a [443758.467397] RDX: 00007fe02a7fb7c0 RSI: 00007fe130234900 RDI: 00007fe0080071f0 Mar 8 15:11:04 cmp22.ru-5a [443758.475516] RBP: 00007fe02a7fb8c0 R08: 00007fe130442640 R09: 0000000000000000 Mar 8 15:11:04 cmp22.ru-5a [443758.483605] R10: 00007fe130441f0f R11: 0000000000000202 R12: 00007fe0080071f0 Mar 8 15:11:04 cmp22.ru-5a [443758.491671] R13: 00007fe02a7fb8b8 R14: 00007fe1304a24f1 R15: 00007fe0080071f0 Mar 8 15:11:04 cmp22.ru-5a [443758.499723] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs msdos jfs act_police cls_basic vhost_net vhost tap ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bpfilter netconsole sch_ingress nfnetlink_cttimeout nfnetlink openvswitch(OE) nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 udp_tunnel 8021q garp mrp stp llc intel_rapl_msr intel_rapl_common mlx5_core(OE) bonding tls mlxfw(OE) ipmi_ssif sb_edac x86_pkg_temp_thermal intel_powerclamp xfs coretemp nls_iso8859_1 kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel ast drm_vram_helper aesni_intel ttm crypto_simd drm_kms_helper cryptd glue_helper drm rapl fb_sys_fops intel_cstate kyber_iosched syscopyarea input_leds joydev sysfillrect sysimgblt ioatdma lpc_ich ipmi_si ipmi_devintf ipmi_msghandler acpi_power_meter mac_hid sch_fq_codel bfq ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath l Mar 8 15:11:04 cmp22.ru-5a inear Mar 8 15:11:05 cmp22.ru-5a [443758.499764] mlx4_en(OE) mlx4_ib(OE) hid_generic usbhid hid raid1 igb ahci libahci i2c_algo_bit mlx4_core(OE) dca wmi mlx_compat(OE) Mar 8 15:11:05 cmp22.ru-5a [443758.607924] CR2: 00000000000007a3 Mar 8 15:11:05 cmp22.ru-5a [443758.612240] ---[ end trace bb57acf87353a028 ]--- Mar 8 15:11:05 cmp22.ru-5a [443758.688141] RIP: 0010:cgroup_addrm_files+0x51/0x370 Mar 8 15:11:05 cmp22.ru-5a [443758.694056] Code: 50 ff ff ff 48 89 95 58 ff ff ff 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8b 85 58 ff ff ff 48 39 c3 0f 84 a8 01 00 00 <80> 38 00 0f 84 9f 01 00 00 49 89 c6 eb 2b 49 81 bf 08 02 00 00 60 Mar 8 15:11:05 cmp22.ru-5a [443758.714757] RSP: 0018:ffffa3564fdcfd08 EFLAGS: 00010293 Mar 8 15:11:05 cmp22.ru-5a [443758.720975] RAX: 00000000000007a3 RBX: 0000000000000000 RCX: 0000000000000000 Mar 8 15:11:05 cmp22.ru-5a [443758.729109] RDX: 00000000000007a3 RSI: ffff974873fca000 RDI: ffff974873fca000 Mar 8 15:11:05 cmp22.ru-5a [443758.737235] RBP: ffffa3564fdcfdc0 R08: 0000000000000000 R09: ffffffff96384200 Mar 8 15:11:05 cmp22.ru-5a [443758.745371] R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000000 Mar 8 15:11:05 cmp22.ru-5a [443758.753498] R13: 0000000000000000 R14: ffff97483cd57000 R15: ffff974873fca000 Mar 8 15:11:05 cmp22.ru-5a [443758.761621] FS: 00007fe02a7fc700(0000) GS:ffff9729bf600000(0000) knlGS:0000000000000000 Mar 8 15:11:05 cmp22.ru-5a [443758.770696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 8 15:11:05 cmp22.ru-5a [443758.777425] CR2: 00000000000007a3 CR3: 0000003eb81c4003 CR4: 00000000003626f0 Mar 8 15:11:05 cmp22.ru-5a [443758.785567] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Mar 8 15:11:05 cmp22.ru-5a [443758.793702] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400