Aug 9 07:35:10 smaug kernel: [5131925.730134] Process accounting resumed Aug 9 07:46:14 smaug kernel: [5132589.526079] ------------[ cut here ]------------ Aug 9 07:46:14 smaug kernel: [5132589.533881] WARNING: CPU: 4 PID: 2878469 at lib/list_debug.c:33 __list_add+0x86/0xb0 Aug 9 07:46:14 smaug kernel: [5132589.544738] list_add corruption. prev->next should be next (ffff881edc409308), but was (null). (prev=ffff88000e0dfe10). Aug 9 07:46:14 smaug kernel: [5132589.561904] Modules linked in: uas usb_storage vboxdrv(O) nls_utf8 ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs veth xt_addrtype ipt_MASQUERADE nf_nat_masquerade_ipv4 bridge stp llc cpufreq_stats cpufreq_userspace cpufreq_conservative cpufreq_powersave xt_pkttype nf_log_ipv4 nf_log_common xt_tcpudp ip6table_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat xt_TCPMSS xt_LOG ipt_REJECT nf_reject_ipv4 iptable_mangle xt_multiport xt_state xt_limit xt_conntrack nfsd nf_conntrack_ftp auth_rpcgss oid_registry nfs_acl nfs lockd grace nf_conntrack ip6table_filter ip6_tables iptable_filter ip_tables x_tables fscache sunrpc binfmt_misc intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp ipmi_watchdog ipmi_poweroff ipmi_devintf kvm_intel iTCO_wdt iTCO_vendor_support kvm irqbypass fuse crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drbg ansi_cprng aesni_intel aes_x86_64 lrw gf128mul snd_pcm glue_helper ablk_helper cryptd snd_timer snd soundcore pcspkr evdev joydev ast ttm drm_kms_helper i2c_i801 drm i2c_algo_bit mei_me lpc_ich mfd_core mei ipmi_si ioatdma shpchp wmi ipmi_msghandler ecryptfs cbc tpm_tis tpm acpi_power_meter acpi_pad button sha256_ssse3 sha256_generic hmac encrypted_keys autofs4 ext4 crc16 jbd2 mbcache btrfs dm_mod raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid1 md_mod ses enclosure sg sd_mod hid_generic usbhid hid crc32c_intel mpt3sas raid_class scsi_transport_sas xhci_pci xhci_hcd ehci_pci ahci ehci_hcd libahci libata usbcore ixgbe scsi_mod usb_common dca ptp pps_core mdio fjes Aug 9 07:46:14 smaug kernel: [5132589.729292] CPU: 4 PID: 2878469 Comm: git Tainted: G D W IO 4.7.0-rc2+ #1 Aug 9 07:46:14 smaug kernel: [5132589.738179] Hardware name: Supermicro X10DRi/X10DRI-T, BIOS 1.0b 09/17/2014 Aug 9 07:46:14 smaug kernel: [5132589.746538] 0000000000000286 00000000f8503fbe ffffffff8130c605 ffff88003ee33d28 Aug 9 07:46:14 smaug kernel: [5132589.755399] 0000000000000000 ffffffff8107a314 ffff88003ee33e10 ffff88003ee33d80 Aug 9 07:46:14 smaug kernel: [5132589.764219] ffff88000e0dfe10 ffff88101c0c6298 ffff881ca57d2800 ffff88101c0c6000 Aug 9 07:46:14 smaug kernel: [5132589.773028] Call Trace: Aug 9 07:46:14 smaug kernel: [5132589.776814] [] ? dump_stack+0x5c/0x77 Aug 9 07:46:14 smaug kernel: [5132589.783441] [] ? __warn+0xc4/0xe0 Aug 9 07:46:14 smaug kernel: [5132589.789702] [] ? warn_slowpath_fmt+0x5f/0x80 Aug 9 07:46:14 smaug kernel: [5132589.796921] [] ? btrfs_write_marked_extents+0x95/0x130 [btrfs] Aug 9 07:46:14 smaug kernel: [5132589.805679] [] ? __list_add+0x86/0xb0 Aug 9 07:46:14 smaug kernel: [5132589.812261] [] ? btrfs_sync_log+0x249/0xa80 [btrfs] Aug 9 07:46:14 smaug kernel: [5132589.820048] [] ? __mutex_lock_slowpath+0x3f/0x130 Aug 9 07:46:14 smaug kernel: [5132589.827630] [] ? btrfs_sync_file+0x39a/0x3e0 [btrfs] Aug 9 07:46:14 smaug kernel: [5132589.835449] [] ? do_fsync+0x38/0x60 Aug 9 07:46:14 smaug kernel: [5132589.841776] [] ? SyS_fsync+0xc/0x10 Aug 9 07:46:14 smaug kernel: [5132589.848097] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 Aug 9 07:46:14 smaug kernel: [5132589.855893] ---[ end trace 3b9450d000ed06b2 ]--- Aug 9 07:46:14 smaug kernel: [5132589.863115] kernel tried to execute NX-protected page - exploit attempt? (uid: 121) Aug 9 07:46:15 smaug kernel: [5132589.873206] BUG: unable to handle kernel paging request at ffff88003ee33e10 Aug 9 07:46:15 smaug kernel: [5132589.882591] IP: [] 0xffff88003ee33e10 Aug 9 07:46:15 smaug kernel: [5132589.890191] PGD 1d6a067 PUD 1d6b067 PMD 586ca063 PTE 800000003ee33163 Aug 9 07:46:15 smaug kernel: [5132589.899033] Oops: 0011 [#2] SMP Aug 9 07:46:15 smaug kernel: [5132589.904474] Modules linked in: uas usb_storage vboxdrv(O) nls_utf8 ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs veth xt_addrtype ipt_MASQUERADE nf_nat_masquerade_ipv4 bridge stp llc cpufreq_stats cpufreq_userspace cpufreq_conservative cpufreq_powersave xt_pkttype nf_log_ipv4 nf_log_common xt_tcpudp ip6table_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat xt_TCPMSS xt_LOG ipt_REJECT nf_reject_ipv4 iptable_mangle xt_multiport xt_state xt_limit xt_conntrack nfsd nf_conntrack_ftp auth_rpcgss oid_registry nfs_acl nfs lockd grace nf_conntrack ip6table_filter ip6_tables iptable_filter ip_tables x_tables fscache sunrpc binfmt_misc intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp ipmi_watchdog ipmi_poweroff ipmi_devintf kvm_intel iTCO_wdt iTCO_vendor_support kvm irqbypass fuse crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drbg ansi_cprng aesni_intel aes_x86_64 lrw gf128mul snd_pcm glue_helper ablk_helper cryptd snd_timer snd soundcore pcspkr evdev joydev ast ttm drm_kms_helper i2c_i801 drm i2c_algo_bit mei_me lpc_ich mfd_core mei ipmi_si ioatdma shpchp wmi ipmi_msghandler ecryptfs cbc tpm_tis tpm acpi_power_meter acpi_pad button sha256_ssse3 sha256_generic hmac encrypted_keys autofs4 ext4 crc16 jbd2 mbcache btrfs dm_mod raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid1 md_mod ses enclosure sg sd_mod hid_generic usbhid hid crc32c_intel mpt3sas raid_class scsi_transport_sas xhci_pci xhci_hcd ehci_pci ahci ehci_hcd libahci libata usbcore ixgbe scsi_mod usb_common dca ptp pps_core mdio fjes Aug 9 07:46:15 smaug kernel: [5132590.078072] CPU: 6 PID: 2878531 Comm: git Tainted: G D W IO 4.7.0-rc2+ #1 Aug 9 07:46:15 smaug kernel: [5132590.087911] Hardware name: Supermicro X10DRi/X10DRI-T, BIOS 1.0b 09/17/2014 Aug 9 07:46:15 smaug kernel: [5132590.097207] task: ffff8817b855b0c0 ti: ffff88000e0dc000 task.ti: ffff88000e0dc000 Aug 9 07:46:15 smaug kernel: [5132590.106971] RIP: 0010:[] [] 0xffff88003ee33e10 Aug 9 07:46:15 smaug kernel: [5132590.116923] RSP: 0018:ffff88000e0dfe18 EFLAGS: 00010282 Aug 9 07:46:15 smaug kernel: [5132590.124478] RAX: ffff88207fc97280 RBX: ffff88000e0e0000 RCX: 0000000000000000 Aug 9 07:46:15 smaug kernel: [5132590.133818] RDX: 00000000ffffffff RSI: ffff8817b855b0c0 RDI: ffff88207fc97280 Aug 9 07:46:15 smaug kernel: [5132590.143136] RBP: ffff88000e0dfe30 R08: ffff88000e0dc000 R09: 0000000000100000 Aug 9 07:46:15 smaug kernel: [5132590.152417] R10: 0000000000000000 R11: 0000000000000000 R12: ffff881036334a80 Aug 9 07:46:15 smaug kernel: [5132590.161652] R13: ffff8820264c6800 R14: ffff881b2e813e00 R15: ffff881b2e813e68 Aug 9 07:46:15 smaug kernel: [5132590.170855] FS: 00007f241eea1700(0000) GS:ffff88207fc80000(0000) knlGS:0000000000000000 Aug 9 07:46:15 smaug kernel: [5132590.181018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 9 07:46:15 smaug kernel: [5132590.188805] CR2: ffff88003ee33e10 CR3: 0000001080d91000 CR4: 00000000001406e0 Aug 9 07:46:15 smaug kernel: [5132590.197971] Stack: Aug 9 07:46:15 smaug kernel: [5132590.201995] ffff88155eae8140 ffffffffa0381af0 ffff88155eae8140 ffff882000000000 Aug 9 07:46:15 smaug kernel: [5132590.211525] ffff8817b855b0c0 ffffffff810ba590 ffff88000e0dfe48 ffff88000e0dfe48 Aug 9 07:46:15 smaug kernel: [5132590.221045] 00000000d6440b49 ffff88155eae8140 0000000000000001 ffff881d2ffb88d8 Aug 9 07:46:15 smaug kernel: [5132590.230539] Call Trace: Aug 9 07:46:15 smaug kernel: [5132590.235063] [] ? btrfs_commit_transaction+0x350/0xa30 [btrfs] Aug 9 07:46:15 smaug kernel: [5132590.244550] [] ? wait_woken+0x90/0x90 Aug 9 07:46:15 smaug kernel: [5132590.251987] [] ? btrfs_sync_file+0x2fb/0x3e0 [btrfs] Aug 9 07:46:15 smaug kernel: [5132590.260694] [] ? do_fsync+0x38/0x60 Aug 9 07:46:15 smaug kernel: [5132590.267916] [] ? SyS_fsync+0xc/0x10 Aug 9 07:46:15 smaug kernel: [5132590.275110] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 Aug 9 07:46:15 smaug kernel: [5132590.283786] Code: 00 00 00 a1 2e 20 81 ff ff ff ff a0 94 ce 36 10 88 ff ff 00 bc 15 f7 1d 88 ff ff 28 cc 71 2a 32 00 00 00 89 e0 b8 c1 10 88 ff ff <00> 00 00 00 00 00 00 00 40 98 58 1e 10 88 ff ff 30 35 67 d9 1f Aug 9 07:46:15 smaug kernel: [5132590.307718] RIP [] 0xffff88003ee33e10 Aug 9 07:46:15 smaug kernel: [5132590.315191] RSP Aug 9 07:46:15 smaug kernel: [5132590.320829] CR2: ffff88003ee33e10 Aug 9 07:46:15 smaug kernel: [5132590.332184] ---[ end trace 3b9450d000ed06b3 ]--- Aug 9 07:46:15 smaug kernel: [5132590.340716] BUG: unable to handle kernel paging request at 00000000000fd0e4 Aug 9 07:46:15 smaug kernel: [5132590.349697] IP: [] jbd2__journal_start+0x33/0x1e0 [jbd2] Aug 9 07:46:15 smaug kernel: [5132590.358552] PGD 0 Aug 9 07:46:15 smaug kernel: [5132590.362689] Oops: 0000 [#3] SMP Aug 9 07:46:15 smaug kernel: [5132590.367913] Modules linked in: uas usb_storage vboxdrv(O) nls_utf8 ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs veth xt_addrtype ipt_MASQUERADE nf_nat_masquerade_ipv4 bridge stp llc cpufreq_stats cpufreq_userspace cpufreq_conservative cpufreq_powersave xt_pkttype nf_log_ipv4 nf_log_common xt_tcpudp ip6table_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat xt_TCPMSS xt_LOG ipt_REJECT nf_reject_ipv4 iptable_mangle xt_multiport xt_state xt_limit xt_conntrack nfsd nf_conntrack_ftp auth_rpcgss oid_registry nfs_acl nfs lockd grace nf_conntrack ip6table_filter ip6_tables iptable_filter ip_tables x_tables fscache sunrpc binfmt_misc intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp ipmi_watchdog ipmi_poweroff ipmi_devintf kvm_intel iTCO_wdt iTCO_vendor_support kvm irqbypass fuse crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drbg ansi_cprng aesni_intel aes_x86_64 lrw gf128mul snd_pcm glue_helper ablk_helper cryptd snd_timer snd soundcore pcspkr evdev joydev ast ttm drm_kms_helper i2c_i801 drm i2c_algo_bit mei_me lpc_ich mfd_core mei ipmi_si ioatdma shpchp wmi ipmi_msghandler ecryptfs cbc tpm_tis tpm acpi_power_meter acpi_pad button sha256_ssse3 sha256_generic hmac encrypted_keys autofs4 ext4 crc16 jbd2 mbcache btrfs dm_mod raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid1 md_mod ses enclosure sg sd_mod hid_generic usbhid hid crc32c_intel mpt3sas raid_class scsi_transport_sas xhci_pci xhci_hcd ehci_pci ahci ehci_hcd libahci libata usbcore ixgbe scsi_mod usb_common dca ptp pps_core mdio fjes Aug 9 07:46:15 smaug kernel: [5132590.538375] CPU: 6 PID: 2878531 Comm: git Tainted: G D W IO 4.7.0-rc2+ #1 Aug 9 07:46:15 smaug kernel: [5132590.547950] Hardware name: Supermicro X10DRi/X10DRI-T, BIOS 1.0b 09/17/2014 Aug 9 07:46:15 smaug kernel: [5132590.557009] task: ffff8817b855b0c0 ti: ffff88000e0dc000 task.ti: ffff88000e0dc000 Aug 9 07:46:15 smaug kernel: [5132590.566572] RIP: 0010:[] [] jbd2__journal_start+0x33/0x1e0 [jbd2] Aug 9 07:46:15 smaug kernel: [5132590.578009] RSP: 0018:ffff88000e0df8f0 EFLAGS: 00010282 Aug 9 07:46:15 smaug kernel: [5132590.585427] RAX: ffff88155eae8140 RBX: ffff881ed5a9d128 RCX: 0000000002400040 Aug 9 07:46:15 smaug kernel: [5132590.594678] RDX: 00000000000fd0e4 RSI: 0000000000000002 RDI: ffff882034d0f000 Aug 9 07:46:15 smaug kernel: [5132590.603929] RBP: ffff882034d0f000 R08: 0000000000000001 R09: 0000000000001569 Aug 9 07:46:15 smaug kernel: [5132590.613264] R10: 00000000107aa8b7 R11: fffffffffffffff0 R12: ffff881ed5a9d128 Aug 9 07:46:15 smaug kernel: [5132590.622566] R13: ffff882033909000 R14: ffff881816302a00 R15: ffff881ed5a9d128 Aug 9 07:46:15 smaug kernel: [5132590.631846] FS: 0000000000000000(0000) GS:ffff88207fc80000(0000) knlGS:0000000000000000 Aug 9 07:46:15 smaug kernel: [5132590.642060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 9 07:46:15 smaug kernel: [5132590.649898] CR2: 00000000000fd0e4 CR3: 0000000001a06000 CR4: 00000000001406e0 Aug 9 07:46:15 smaug kernel: [5132590.659130] Stack: Aug 9 07:46:15 smaug kernel: [5132590.663228] ffffffffa049cc54 0000156902020200 ffff881ed5a9d128 0000000000000801 Aug 9 07:46:15 smaug kernel: [5132590.672811] ffff881ed5a9d128 ffff882033909000 ffff881816302a00 ffff881ed5a9d128 Aug 9 07:46:15 smaug kernel: [5132590.682392] ffffffffa0470b9d ffff881ed5a9d128 0000000000000801 ffffffff8121fe67 Aug 9 07:46:15 smaug kernel: [5132590.691981] Call Trace: Aug 9 07:46:15 smaug kernel: [5132590.696597] [] ? __ext4_journal_start_sb+0x34/0xf0 [ext4] Aug 9 07:46:15 smaug kernel: [5132590.705791] [] ? ext4_dirty_inode+0x2d/0x60 [ext4] Aug 9 07:46:15 smaug kernel: [5132590.714340] [] ? __mark_inode_dirty+0x177/0x360 Aug 9 07:46:15 smaug kernel: [5132590.722623] [] ? generic_update_time+0x79/0xd0 Aug 9 07:46:15 smaug kernel: [5132590.730814] [] ? file_update_time+0xbd/0x110 Aug 9 07:46:15 smaug kernel: [5132590.738845] [] ? __generic_file_write_iter+0x99/0x1e0 Aug 9 07:46:15 smaug kernel: [5132590.747708] [] ? ext4_file_write_iter+0x196/0x3d0 [ext4] Aug 9 07:46:15 smaug kernel: [5132590.756756] [] ? __vfs_write+0xeb/0x160 Aug 9 07:46:15 smaug kernel: [5132590.764301] [] ? __kernel_write+0x53/0x100 Aug 9 07:46:15 smaug kernel: [5132590.772081] [] ? do_acct_process+0x462/0x4e0 Aug 9 07:46:15 smaug kernel: [5132590.780035] [] ? acct_process+0xdc/0x100 Aug 9 07:46:15 smaug kernel: [5132590.787648] [] ? do_exit+0x7f3/0xb80 Aug 9 07:46:15 smaug kernel: [5132590.794894] [] ? oops_end+0x9c/0xd0 Aug 9 07:46:15 smaug kernel: [5132590.802027] [] ? no_context+0x135/0x390 Aug 9 07:46:15 smaug kernel: [5132590.809496] [] ? page_fault+0x28/0x30 Aug 9 07:46:15 smaug kernel: [5132590.816808] [] ? btrfs_commit_transaction+0x350/0xa30 [btrfs] Aug 9 07:46:15 smaug kernel: [5132590.826213] [] ? wait_woken+0x90/0x90 Aug 9 07:46:15 smaug kernel: [5132590.833501] [] ? btrfs_sync_file+0x2fb/0x3e0 [btrfs] Aug 9 07:46:15 smaug kernel: [5132590.842074] [] ? do_fsync+0x38/0x60 Aug 9 07:46:15 smaug kernel: [5132590.849114] [] ? SyS_fsync+0xc/0x10 Aug 9 07:46:15 smaug kernel: [5132590.856096] [] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 Aug 9 07:46:15 smaug kernel: [5132590.864522] Code: 56 41 55 41 54 55 53 48 89 fd 65 48 8b 04 25 c0 d4 00 00 48 83 ec 10 48 85 ff 48 8b 80 90 06 00 00 74 20 48 85 c0 74 33 48 8b 10 <48> 3b 3a 75 29 83 40 14 01 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e Aug 9 07:46:15 smaug kernel: [5132590.888065] RIP [] jbd2__journal_start+0x33/0x1e0 [jbd2] Aug 9 07:46:15 smaug kernel: [5132590.896830] RSP Aug 9 07:46:15 smaug kernel: [5132590.902039] CR2: 00000000000fd0e4 Aug 9 07:46:15 smaug kernel: [5132590.907032] ---[ end trace 3b9450d000ed06b4 ]--- Aug 9 07:46:15 smaug kernel: [5132590.914612] Fixing recursive fault but reboot is needed!