Description of problem: device md1 was being stopped and around the same time udevd tried to scan the /devices/virtual/block/md1 which caused an Oops. Version-Release number of selected component (if applicable): kernel-4.9.4-201 How reproducible: Not very since it seems to be a tight timing issue. Steps to Reproduce: 1. mdadm --stop <md> Actual results: Oops occurs and systemd-udevd is killed Expected results: Kernel returns appropriate error for the device not existing anymore to udevd. Additional info: [ 239.158337] md1: detected capacity change from 1071054848 to 0 [ 239.158342] md: md1 stopped. [ 239.158351] md: unbind<sdb1> [ 239.173147] md: export_rdev(sdb1) [ 239.173293] md: unbind<sda1> [ 239.185150] md: export_rdev(sda1) [ 239.186350] BUG: unable to handle kernel paging request at ffff9e1990400000 [ 239.194578] IP: [<ffffffff834028d1>] __memmove+0x81/0x1a0 [ 239.200986] PGD 786284067 [ 239.203922] PUD 85aca0063 [ 239.207260] PMD 8523ec063 [ 239.208705] PTE 8000000850400161 [ 239.212691] [ 239.214610] Oops: 0003 [#1] SMP [ 239.218396] Modules linked in: fuse btrfs xor raid6_pq hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c ipmi_devintf nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ipmi_ssif ixgbe intel_cstate isci mpt3sas e1000e iTCO_wdt iTCO_vendor_support intel_uncore libsas uas raid_class i2c_i801 intel_rapl_perf mdio mei_me scsi_transport_sas ptp dca joydev usb_storage mei pps_core lpc_ich i2c_smbus shpchp ipmi_si ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 239.292139] CPU: 4 PID: 9611 Comm: systemd-udevd Not tainted 4.9.4-201.1.rno220.x86_64 #1 [ 239.301766] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 239.310515] task: ffff9e198b580000 task.stack: ffffaad60984c000 [ 239.317377] RIP: 0010:[<ffffffff834028d1>] [<ffffffff834028d1>] __memmove+0x81/0x1a0 [ 239.326698] RSP: 0018:ffffaad60984fdd0 EFLAGS: 00010a02 [ 239.332916] RAX: ffff9e19902f2000 RBX: ffffffffffffeff0 RCX: 1ffffffffffde1fe [ 239.341180] RDX: ffffffffffffeff0 RSI: ffff9e1990401000 RDI: ffff9e1990400000 [ 239.349439] RBP: ffffaad60984fdf8 R08: 0000000000000000 R09: 0000000000000000 [ 239.357728] R10: ffff9e19902f0fe8 R11: 0000000000000000 R12: ffff9e19902f2000 [ 239.366009] R13: 0000000000001000 R14: 0000000000001000 R15: ffff9e19940d3cc0 [ 239.374267] FS: 00007efd86aac640(0000) GS:ffff9e199f300000(0000) knlGS:0000000000000000 [ 239.383768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.390449] CR2: ffff9e1990400000 CR3: 0000000854017000 CR4: 00000000000406e0 [ 239.398671] Stack: [ 239.401181] ffffffff832e1b03 ffff9e19902f2000 ffffaad60984ff18 ffffaad60984ff18 [ 239.410238] 0000556522e65ee0 ffffaad60984fe40 ffffffff832e1424 0000000000001000 [ 239.419356] ffff9e19940d3cd8 ffff9e198202ff00 ffffaad60984ff18 ffff9e198202ff00 [ 239.428449] Call Trace: [ 239.431452] [<ffffffff832e1b03>] ? sysfs_kf_read+0x83/0xc0 [ 239.437967] [<ffffffff832e1424>] kernfs_fop_read+0xb4/0x190 [ 239.444573] [<ffffffff832583a7>] __vfs_read+0x37/0x150 [ 239.450685] [<ffffffff8337267b>] ? security_file_permission+0x9b/0xc0 [ 239.458264] [<ffffffff83259526>] vfs_read+0x96/0x130 [ 239.464190] [<ffffffff8325aa15>] SyS_read+0x55/0xc0 [ 239.470049] [<ffffffff8381cbf7>] entry_SYSCALL_64_fastpath+0x1a/0xa9 [ 239.477508] Code: 08 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 e9 a2 00 00 00 66 90 48 89 d1 4c 8b 5c 16 f8 4c 8d 54 17 f8 48 c1 e9 03 <f3> 48 a5 4d 89 1a e9 0c 01 00 00 0f 1f 40 00 48 89 d1 4c 8b 1e [ 239.504682] RIP [<ffffffff834028d1>] __memmove+0x81/0x1a0 [ 239.511192] RSP <ffffaad60984fdd0> [ 239.515367] CR2: ffff9e1990400000 [ 239.519349] ---[ end trace 46ff8ea7cef5905f ]--- [ 239.525205] systemd-udevd[263]: worker [9611] terminated by signal 9 (Killed) [ 239.533495] systemd-udevd[263]: worker [9611] failed while handling '/devices/virtual/block/md1'
Here are three more panics that seem to be related to accessing sysfs using the pr-allocated buffer path. These did occur on two different systems but the same hardware model. [ 236.961676] BUG: unable to handle kernel paging request at ffff9765454c0000 [ 236.969862] IP: [<ffffffffbb402c21>] __memmove+0x81/0x1a0 [ 236.976258] PGD 3e5284067 [ 236.979153] PUD 85aca0063 PMD 8421e1063 [ 236.983945] PTE 80000008454c0161 [ 236.987880] [ 236.989783] Oops: 0003 [#1] SMP [ 236.993566] Modules linked in: fuse btrfs xor raid6_pq hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c ipmi_devintf nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul ipmi_ssif crc32_pclmul crc32c_intel ghash_clmulni_intel iTCO_wdt mpt3sas iTCO_vendor_support e1000e ixgbe intel_cstate isci intel_uncore libsas raid_class ptp mei_me mdio scsi_transport_sas pps_core uas i2c_i801 dca intel_rapl_perf usb_storage joydev mei lpc_ich i2c_smbus shpchp ipmi_si ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 237.067102] CPU: 8 PID: 9660 Comm: systemd-udevd Not tainted 4.9.6-200.fc25.x86_64 #1 [ 237.076292] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 237.085002] task: ffff97653fce0000 task.stack: ffffb76cc94cc000 [ 237.091897] RIP: 0010:[<ffffffffbb402c21>] [<ffffffffbb402c21>] __memmove+0x81/0x1a0 [ 237.101184] RSP: 0018:ffffb76cc94cfdd0 EFLAGS: 00010a02 [ 237.107364] RAX: ffff976545128000 RBX: ffffffffffffeff0 RCX: 1ffffffffff8cdfe [ 237.115603] RDX: ffffffffffffeff0 RSI: ffff9765454c1000 RDI: ffff9765454c0000 [ 237.123841] RBP: ffffb76cc94cfdf8 R08: 0000000000000000 R09: 0000000000000000 [ 237.132103] R10: ffff976545126fe8 R11: 0000000000000000 R12: ffff976545128000 [ 237.140384] R13: 0000000000001000 R14: 0000000000001000 R15: ffff9765536b6cc0 [ 237.148608] FS: 00007f1fb2158640(0000) GS:ffff97655f400000(0000) knlGS:0000000000000000 [ 237.158132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 237.164814] CR2: ffff9765454c0000 CR3: 000000082fa0c000 CR4: 00000000000406e0 [ 237.173058] Stack: [ 237.175615] ffffffffbb2e1e63 ffff976545128000 ffffb76cc94cff18 ffffb76cc94cff18 [ 237.184695] 000056454014cee0 ffffb76cc94cfe40 ffffffffbb2e1784 0000000000001000 [ 237.193788] ffff9765536b6cd8 ffff97654bbe5700 ffffb76cc94cff18 ffff97654bbe5700 [ 237.202852] Call Trace: [ 237.205840] [<ffffffffbb2e1e63>] ? sysfs_kf_read+0x83/0xc0 [ 237.212380] [<ffffffffbb2e1784>] kernfs_fop_read+0xb4/0x190 [ 237.218985] [<ffffffffbb258667>] __vfs_read+0x37/0x150 [ 237.225069] [<ffffffffbb3729db>] ? security_file_permission+0x9b/0xc0 [ 237.232631] [<ffffffffbb2597e6>] vfs_read+0x96/0x130 [ 237.238572] [<ffffffffbb25acd5>] SyS_read+0x55/0xc0 [ 237.244426] [<ffffffffbb81cc77>] entry_SYSCALL_64_fastpath+0x1a/0xa9 [ 237.251918] Code: 08 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 e9 a2 00 00 00 66 90 48 89 d1 4c 8b 5c 16 f8 4c 8d 54 17 f8 48 c1 e9 03 <f3> 48 a5 4d 89 1a e9 0c 01 00 00 0f 1f 40 00 48 89 d1 4c 8b 1e [ 237.278950] RIP [<ffffffffbb402c21>] __memmove+0x81/0x1a0 [ 237.285417] RSP <ffffb76cc94cfdd0> [ 237.289610] CR2: ffff9765454c0000 [ 237.293569] ---[ end trace a8e6e3f47dca1fdd ]--- [ 237.293573] BUG: unable to handle kernel paging request at ffff97653b254540 [ 237.293578] IP: [<ffffffffbb278d66>] dup_fd+0xc6/0x280 [ 237.293580] PGD 3e5284067 [ 237.293581] PUD 84b430063 [ 237.293582] PMD 8453a5063 [ 237.293582] PTE 0 [ 237.293583] [ 237.293584] Oops: 0000 [#2] SMP [ 237.293619] Modules linked in: fuse btrfs xor raid6_pq hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c ipmi_devintf nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul ipmi_ssif crc32_pclmul crc32c_intel ghash_clmulni_intel iTCO_wdt mpt3sas iTCO_vendor_support e1000e ixgbe intel_cstate isci intel_uncore libsas raid_class ptp mei_me mdio scsi_transport_sas pps_core uas i2c_i801 dca intel_rapl_perf usb_storage joydev mei lpc_ich i2c_smbus shpchp ipmi_si ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 237.293621] CPU: 2 PID: 9657 Comm: sh Tainted: G D 4.9.6-200.fc25.x86_64 #1 [ 237.293622] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 237.293623] task: ffff97654b0cdb80 task.stack: ffffb76cc4d74000 [ 237.293627] RIP: 0010:[<ffffffffbb278d66>] [<ffffffffbb278d66>] dup_fd+0xc6/0x280 [ 237.293628] RSP: 0018:ffffb76cc4d77d68 EFLAGS: 00010246 [ 237.293629] RAX: 0000000000000000 RBX: ffff97653b7b5b80 RCX: 0000000000000200 [ 237.293630] RDX: 0000000000000001 RSI: ffffffffbbc65052 RDI: ffff976554563200 [ 237.293632] RBP: ffffb76cc4d77da0 R08: ffff97655f29d350 R09: ffff97653b254540 [ 237.293633] R10: 000000007ffffc00 R11: 000000000001d150 R12: ffff976554563180 [ 237.293634] R13: ffffb76cc4d77e5c R14: ffff9765572b7468 R15: ffff9765572b7440 [ 237.293636] FS: 00007f4d57546700(0000) GS:ffff97655f280000(0000) knlGS:0000000000000000 [ 237.293637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 237.293638] CR2: ffff97653b254540 CR3: 000000085465f000 CR4: 00000000000406e0 [ 237.293639] Stack: [ 237.293644] 000000013b7b5c00 ffff976554563200 ffff97653b7b5b80 0000000001200011 [ 237.293647] 0000000000000000 0000000000000000 00007f4d575469d0 ffffb76cc4d77e90 [ 237.293649] ffffffffbb09fd68 0000000000000000 00000000ffffffff ffffffffbb0a1297 [ 237.293650] Call Trace: [ 237.293657] [<ffffffffbb09fd68>] copy_process.part.32+0x8b8/0x1c10 [ 237.293660] [<ffffffffbb0a1297>] ? _do_fork+0xd7/0x390 [ 237.293663] [<ffffffffbb1fd563>] ? handle_mm_fault+0x953/0x1610 [ 237.293667] [<ffffffffbb0a1297>] _do_fork+0xd7/0x390 [ 237.293670] [<ffffffffbb0b2936>] ? __set_current_blocked+0x36/0x50 [ 237.293672] [<ffffffffbb0a15f9>] SyS_clone+0x19/0x20 [ 237.293675] [<ffffffffbb003c17>] do_syscall_64+0x67/0x180 [ 237.293678] [<ffffffffbb81cd2b>] entry_SYSCALL64_slow_path+0x25/0x25 [ 237.293710] Code: 00 00 00 49 89 47 48 49 8d 87 a0 00 00 00 49 89 47 30 49 8d 84 24 80 00 00 00 48 89 c7 48 89 45 d0 e8 bf 3c 5a 00 4d 8b 4c 24 20 <41> 8b 19 c1 eb 06 85 db 74 2a 49 8b 71 18 8d 43 ff 48 89 c2 48 [ 237.293713] RIP [<ffffffffbb278d66>] dup_fd+0xc6/0x280 [ 237.293714] RSP <ffffb76cc4d77d68> [ 237.293714] CR2: ffff97653b254540 [ 237.293716] ---[ end trace a8e6e3f47dca1fde ]--- [ 237.293937] BUG: unable to handle kernel paging request at ffff97653b254540 [ 237.293941] IP: [<ffffffffbb278f9a>] put_files_struct+0x3a/0xf0 [ 237.293943] PGD 3e5284067 [ 237.293944] PUD 84b430063 [ 237.293945] PMD 8453a5063 [ 237.293946] PTE 0 [ 237.293946] [ 237.293947] Oops: 0000 [#3] SMP [ 237.293982] Modules linked in: fuse btrfs xor raid6_pq hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c ipmi_devintf nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul ipmi_ssif crc32_pclmul crc32c_intel ghash_clmulni_intel iTCO_wdt mpt3sas iTCO_vendor_support e1000e ixgbe intel_cstate isci intel_uncore libsas raid_class ptp mei_me mdio scsi_transport_sas pps_core uas i2c_i801 dca intel_rapl_perf usb_storage joydev mei lpc_ich i2c_smbus shpchp ipmi_si ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 237.293985] CPU: 2 PID: 9657 Comm: sh Tainted: G D 4.9.6-200.fc25.x86_64 #1 [ 237.293986] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 237.293987] task: ffff97654b0cdb80 task.stack: ffffb76cc4d74000 [ 237.293991] RIP: 0010:[<ffffffffbb278f9a>] [<ffffffffbb278f9a>] put_files_struct+0x3a/0xf0 [ 237.293992] RSP: 0018:ffffb76cc4d77e80 EFLAGS: 00010282 [ 237.293993] RAX: 0000000000000000 RBX: ffff97654b0cdb80 RCX: ffff97654b0cdb80 [ 237.293994] RDX: 0000000000000001 RSI: ffff97652d3fda00 RDI: ffff976554563180 [ 237.293996] RBP: ffffb76cc4d77eb0 R08: ffff97654e03d180 R09: 0000000180150000 [ 237.293997] R10: 0000000000880000 R11: 0000000000000000 R12: ffff976554563180 [ 237.293998] R13: ffff97654b782200 R14: ffff97653b254540 R15: 0000000000000000 [ 237.294000] FS: 00007f4d57546700(0000) GS:ffff97655f280000(0000) knlGS:0000000000000000 [ 237.294001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 237.294003] CR2: ffff97653b254540 CR3: 00000003e4e07000 CR4: 00000000000406e0 [ 237.294004] Stack: [ 237.294007] ffff97654b0cdb80 ffff97654b0cdb80 ffff976554563180 ffff97654b782200 [ 237.294010] 0000000000000001 ffff97654b782268 ffffb76cc4d77ed0 ffffffffbb2790e1 [ 237.294012] ffff97654b0cdb80 0000000000000000 ffffb76cc4d77f48 ffffffffbb0a660a [ 237.294013] Call Trace: [ 237.294018] [<ffffffffbb2790e1>] exit_files+0x41/0x50 [ 237.294021] [<ffffffffbb0a660a>] do_exit+0x2aa/0xb00 [ 237.294025] [<ffffffffbb81e547>] rewind_stack_do_exit+0x17/0x20 [ 237.294059] Code: 65 48 8b 0c 25 c0 d2 00 00 48 89 e5 41 57 41 56 41 55 41 54 41 89 c7 53 41 c1 e7 06 49 89 fc 48 83 ec 08 4c 8b 77 20 48 89 4d d0 <41> 8b 16 41 39 d7 73 7a 49 8b 76 18 44 8d 68 01 48 8b 1c c6 48 [ 237.294062] RIP [<ffffffffbb278f9a>] put_files_struct+0x3a/0xf0 [ 237.294063] RSP <ffffb76cc4d77e80> [ 237.294063] CR2: ffff97653b254540 [ 237.294065] ---[ end trace a8e6e3f47dca1fdf ]--- [ 237.294066] Fixing recursive fault but reboot is needed! [ 237.942010] systemd-udevd[264]: worker [9660] terminated by signal 9 (Killed) [ 237.950301] systemd-udevd[264]: worker [9660] failed while handling '/devices/virtual/block/md1' [ 320.600695] md: md8: resync done. [ 320.617601] RAID1 conf printout: [ 320.621508] --- wd:2 rd:2 [ 320.624827] disk 0, wo:0, o:1, dev:sda8 [ 320.629493] disk 1, wo:0, o:1, dev:sdb8 [ 464.376010] BUG: unable to handle kernel paging request at ffff97653b251000 [ 464.384232] IP: [<ffffffffbb4011cc>] clear_page+0xc/0x10 [ 464.390526] PGD 3e5284067 [ 464.393427] PUD 84b430063 PMD 8453a5063 [ 464.398246] PTE 0 [ 464.400746] [ 464.402684] Oops: 0002 [#4] SMP [ 464.406469] Modules linked in: fuse btrfs xor raid6_pq hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c ipmi_devintf nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul ipmi_ssif crc32_pclmul crc32c_intel ghash_clmulni_intel iTCO_wdt mpt3sas iTCO_vendor_support e1000e ixgbe intel_cstate isci intel_uncore libsas raid_class ptp mei_me mdio scsi_transport_sas pps_core uas i2c_i801 dca intel_rapl_perf usb_storage joydev mei lpc_ich i2c_smbus shpchp ipmi_si ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 464.480123] CPU: 0 PID: 9665 Comm: dropbear Tainted: G D 4.9.6-200.fc25.x86_64 #1 [ 464.490239] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 464.498995] task: ffff97654a8b3d00 task.stack: ffffb76cc9424000 [ 464.505891] RIP: 0010:[<ffffffffbb4011cc>] [<ffffffffbb4011cc>] clear_page+0xc/0x10 [ 464.515119] RSP: 0018:ffffb76cc9427a70 EFLAGS: 00010246 [ 464.521335] RAX: 0000000000000000 RBX: ffffebdee0ec9440 RCX: 0000000000000200 [ 464.529591] RDX: 0000000000000000 RSI: ffffebdee0ec9440 RDI: ffff97653b251000 [ 464.537852] RBP: ffffb76cc9427b48 R08: 0000000000100000 R09: 0000000000780000 [ 464.546110] R10: 0000000000880000 R11: 0000000000000001 R12: ffff97654a8b3d00 [ 464.554367] R13: ffffebdee0ec9440 R14: ffffebdee0ec9480 R15: ffff97657ffe9d00 [ 464.562624] FS: 00007f45ecd52340(0000) GS:ffff97655f200000(0000) knlGS:0000000000000000 [ 464.572154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 464.578855] CR2: ffff97653b251000 CR3: 000000084b355000 CR4: 00000000000406f0 [ 464.587113] Stack: [ 464.589635] ffffffffbb1cba9e ffffffffffffffff 00000000000000f0 00000012001cba9e [ 464.598713] 0000000000000040 0000000100000000 0000001200000001 0000000000000001 [ 464.607775] 0000000000000246 ffff97657ffe9d00 ffff97657ffea240 0000000000000246 [ 464.616871] Call Trace: [ 464.619881] [<ffffffffbb1cba9e>] ? get_page_from_freelist+0x37e/0xb00 [ 464.627461] [<ffffffffbb1cd27c>] __alloc_pages_nodemask+0x14c/0x340 [ 464.634848] [<ffffffffbb2232e5>] alloc_pages_current+0x95/0x140 [ 464.641845] [<ffffffffbb067f47>] pte_alloc_one+0x17/0x60 [ 464.648159] [<ffffffffbb1fa0ee>] __pte_alloc+0x1e/0x100 [ 464.654377] [<ffffffffbb1ff35c>] copy_page_range+0x84c/0xaf0 [ 464.661084] [<ffffffffbb1f4e04>] ? anon_vma_interval_tree_insert+0x84/0x90 [ 464.669150] [<ffffffffbb209917>] ? anon_vma_chain_link+0x37/0x40 [ 464.676246] [<ffffffffbb0a023b>] copy_process.part.32+0xd8b/0x1c10 [ 464.683532] [<ffffffffbb0a1297>] _do_fork+0xd7/0x390 [ 464.689458] [<ffffffffbb279290>] ? get_unused_fd_flags+0x30/0x40 [ 464.696547] [<ffffffffbb0a15f9>] SyS_clone+0x19/0x20 [ 464.702495] [<ffffffffbb003c17>] do_syscall_64+0x67/0x180 [ 464.708907] [<ffffffffbb81cd2b>] entry_SYSCALL64_slow_path+0x25/0x25 [ 464.716387] Code: 7e 04 31 c0 eb cb 85 c0 7e c7 83 ea 01 48 63 d2 0f b6 54 15 d0 eb 9c e8 d3 0b ca ff 90 90 90 66 66 90 66 90 b9 00 02 00 00 31 c0 <f3> 48 ab c3 31 c0 b9 40 00 00 00 66 0f 1f 84 00 00 00 00 00 ff [ 464.743429] RIP [<ffffffffbb4011cc>] clear_page+0xc/0x10 [ 464.749827] RSP <ffffb76cc9427a70> [ 464.753999] CR2: ffff97653b251000 [ 464.757981] ---[ end trace a8e6e3f47dca1fe0 ]--- [ 306.517439] BUG: unable to handle kernel paging request at 0000000000326799 [ 306.525658] IP: [<ffffffff9d0da1c3>] update_cfs_shares+0x73/0xf0 [ 306.532734] PGD 0 [ 306.534856] [ 306.536864] Oops: 0000 [#1] SMP [ 306.540648] Modules linked in: fuse btrfs xor raid6_pq hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c ipmi_devintf nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass ipmi_ssif crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel iTCO_wdt iTCO_vendor_support ixgbe e1000e mpt3sas intel_cstate isci intel_uncore libsas raid_class ptp scsi_transport_sas mdio pps_core mei_me uas dca i2c_i801 intel_rapl_perf joydev usb_storage mei i2c_smbus lpc_ich shpchp ipmi_si ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 306.614079] CPU: 3 PID: 9693 Comm: systemd-udevd Not tainted 4.9.6-200.fc25.x86_64 #1 [ 306.623310] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 306.632056] task: ffff93940b261e80 task.stack: ffffb3f9ca8c4000 [ 306.638946] RIP: 0010:[<ffffffff9d0da1c3>] [<ffffffff9d0da1c3>] update_cfs_shares+0x73/0xf0 [ 306.648937] RSP: 0018:ffff93941f2c3de8 EFLAGS: 00010012 [ 306.655148] RAX: 00000000000f6d70 RBX: 0000000000326761 RCX: 0000000000000426 [ 306.663402] RDX: 0000000000000160 RSI: 0000000000100000 RDI: ffff939417228600 [ 306.671658] RBP: ffff93941f2c3e00 R08: 0000000000000000 R09: 0000000000000000 [ 306.679903] R10: ffff93941b772fe8 R11: ffff93940b261f00 R12: 0000000000000002 [ 306.688158] R13: ffff939417228600 R14: ffff93940b261f00 R15: 0000000000054c00 [ 306.696413] FS: 00007f0c2db85640(0000) GS:ffff93941f2c0000(0000) knlGS:0000000000000000 [ 306.705931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 306.712628] CR2: 0000000000326799 CR3: 000000084afde000 CR4: 00000000000406e0 [ 306.720872] Stack: [ 306.723388] ffff939417228600 00000000000002cb ffff939417228600 ffff93941f2c3e78 [ 306.732440] ffffffff9d0dec9b ffff93940b261e80 ffff93941f2d9600 ffff93941f2c3e30 [ 306.741501] ffffffff9d02fdf9 ffff93941f2c3e50 ffffffff9d0d3879 ffff93941f2d9600 [ 306.750560] Call Trace: [ 306.753565] <IRQ> [ 306.755785] [<ffffffff9d0dec9b>] task_tick_fair+0x50b/0x930 [ 306.762663] [<ffffffff9d02fdf9>] ? sched_clock+0x9/0x10 [ 306.768876] [<ffffffff9d0d3879>] ? sched_clock_cpu+0x99/0xb0 [ 306.775575] [<ffffffff9d0cf3e9>] scheduler_tick+0x59/0xd0 [ 306.781984] [<ffffffff9d1241b0>] ? tick_sched_do_timer+0x50/0x50 [ 306.789072] [<ffffffff9d113da7>] update_process_times+0x47/0x60 [ 306.796062] [<ffffffff9d123b05>] tick_sched_handle.isra.15+0x25/0x60 [ 306.803536] [<ffffffff9d1241ed>] tick_sched_timer+0x3d/0x70 [ 306.810135] [<ffffffff9d11480e>] __hrtimer_run_queues+0xee/0x260 [ 306.817226] [<ffffffff9d114f9a>] hrtimer_interrupt+0x9a/0x180 [ 306.824023] [<ffffffff9d04bf08>] local_apic_timer_interrupt+0x38/0x60 [ 306.831597] [<ffffffff9d81f82d>] smp_apic_timer_interrupt+0x3d/0x50 [ 306.838973] [<ffffffff9d81e9ec>] apic_timer_interrupt+0x8c/0xa0 [ 306.845965] <EOI> [ 306.848184] [<ffffffff9d402c21>] ? __memmove+0x81/0x1a0 [ 306.854674] [<ffffffff9d2e1e63>] ? sysfs_kf_read+0x83/0xc0 [ 306.861174] [<ffffffff9d2e1784>] kernfs_fop_read+0xb4/0x190 [ 306.867776] [<ffffffff9d258667>] __vfs_read+0x37/0x150 [ 306.873891] [<ffffffff9d3729db>] ? security_file_permission+0x9b/0xc0 [ 306.881456] [<ffffffff9d2597e6>] vfs_read+0x96/0x130 [ 306.887377] [<ffffffff9d25acd5>] SyS_read+0x55/0xc0 [ 306.893202] [<ffffffff9d81cc77>] entry_SYSCALL_64_fastpath+0x1a/0xa9 [ 306.900677] Code: 8f 98 00 00 00 48 8b b0 c8 00 00 00 48 c1 ea 0a 48 89 d0 48 0f af c6 48 01 d1 74 05 48 99 48 f7 f9 48 83 f8 02 41 bc 02 00 00 00 <8b> 4b 38 4c 0f 47 e0 4c 8b ab 50 01 00 00 4c 39 e6 4c 0f 42 e6 [ 306.927609] RIP [<ffffffff9d0da1c3>] update_cfs_shares+0x73/0xf0 [ 306.934778] RSP <ffff93941f2c3de8> [ 306.938946] CR2: 0000000000326799 [ 306.942924] ---[ end trace a2569b21ffdc09ad ]--- [ 306.942928] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 306.942933] IP: [<ffffffff9d3fada4>] __rb_insert_augmented+0x24/0x210 [ 306.942934] PGD 0 [ 306.942934] [ 306.942936] Oops: 0000 [#2] SMP [ 306.942961] Modules linked in: fuse btrfs xor raid6_pq hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c ipmi_devintf nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass ipmi_ssif crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel iTCO_wdt iTCO_vendor_support ixgbe e1000e mpt3sas intel_cstate isci intel_uncore libsas raid_class ptp scsi_transport_sas mdio pps_core mei_me uas dca i2c_i801 intel_rapl_perf joydev usb_storage mei i2c_smbus lpc_ich shpchp ipmi_si ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 306.942964] CPU: 11 PID: 9690 Comm: sh Tainted: G D 4.9.6-200.fc25.x86_64 #1 [ 306.942964] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 306.942965] task: ffff93940aecdb80 task.stack: ffffb3f9c8fe4000 [ 306.942968] RIP: 0010:[<ffffffff9d3fada4>] [<ffffffff9d3fada4>] __rb_insert_augmented+0x24/0x210 [ 306.942969] RSP: 0018:ffffb3f9c8fe7d70 EFLAGS: 00010246 [ 306.942970] RAX: ffff93941b784418 RBX: 0000000000000000 RCX: ffff9393f61e5a80 [ 306.942971] RDX: ffffffff9d1f47e0 RSI: ffff939419bc6558 RDI: ffff9393f61e5ad8 [ 306.942972] RBP: ffffb3f9c8fe7d90 R08: ffff939419bc6558 R09: ffff93941b784428 [ 306.942972] R10: ffff93940e224078 R11: ffff93940b32b840 R12: ffff939417292640 [ 306.942973] R13: ffff939419bc6558 R14: ffff939419bc6560 R15: 00007f5e822789d0 [ 306.942975] FS: 00007f5e82278700(0000) GS:ffff93941f4c0000(0000) knlGS:0000000000000000 [ 306.942976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 306.942976] CR2: 0000000000000008 CR3: 000000084d94b000 CR4: 00000000000406e0 [ 306.942977] Stack: [ 306.942979] ffffffff9d0a00fe ffff93940a915840 ffff939417292640 ffff9393f61e5a80 [ 306.942981] ffffb3f9c8fe7da0 ffffffff9d1f4d69 ffffb3f9c8fe7e90 ffffffff9d0a01cd [ 306.942983] 0000000000000000 0000000000000000 00000007c6f3bb8b ffff939419bc6538 [ 306.942983] Call Trace: [ 306.942988] [<ffffffff9d0a00fe>] ? copy_process.part.32+0xc4e/0x1c10 [ 306.942993] [<ffffffff9d1f4d69>] vma_interval_tree_insert_after+0x89/0xa0 [ 306.942995] [<ffffffff9d0a01cd>] copy_process.part.32+0xd1d/0x1c10 [ 306.942998] [<ffffffff9d0a1297>] _do_fork+0xd7/0x390 [ 306.943001] [<ffffffff9d0b2936>] ? __set_current_blocked+0x36/0x50 [ 306.943002] [<ffffffff9d0a15f9>] SyS_clone+0x19/0x20 [ 306.943004] [<ffffffff9d003c17>] do_syscall_64+0x67/0x180 [ 306.943007] [<ffffffff9d81cd2b>] entry_SYSCALL64_slow_path+0x25/0x25 [ 306.943028] Code: e9 d3 fe ff ff 66 90 48 8b 07 48 85 c0 0f 84 f5 01 00 00 55 48 89 e5 41 55 41 54 53 49 89 f5 48 83 ec 08 48 8b 18 f6 c3 01 75 45 <48> 8b 4b 08 48 89 de 48 39 c1 0f 84 9b 00 00 00 48 85 c9 74 3b [ 306.943030] RIP [<ffffffff9d3fada4>] __rb_insert_augmented+0x24/0x210 [ 306.943030] RSP <ffffb3f9c8fe7d70> [ 306.943031] CR2: 0000000000000008 [ 306.943050] ---[ end trace a2569b21ffdc09ae ]--- [ 307.282458] Kernel panic - not syncing: Fatal exception in interrupt [ 307.289837] Kernel Offset: 0x1c000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 307.302323] ---[ end Kernel panic - not syncing: Fatal exception in interrupt [ 29.558763] BUG: unable to handle kernel [ 29.558837] ------------[ cut here ]------------ [ 29.558845] WARNING: CPU: 8 PID: 927 at mm/vmacache.c:100 vmacache_find+0xc2/0xd0 [ 29.558845] Modules linked in: [ 29.558846] nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul ipmi_ssif crc32_pclmul crc32c_intel ghash_clmulni_intel ixgbe intel_cstate e1000e mpt3sas isci iTCO_wdt iTCO_vendor_support mei_me uas intel_uncore libsas raid_class intel_rapl_perf ptp usb_storage scsi_transport_sas mei pps_core mdio dca ipmi_si i2c_i801 joydev lpc_ich shpchp i2c_smbus ipmi_msghandler fjes tpm_tis tpm_tis_core tpm[ 29.558876] CPU: 8 PID: 927 Comm: systemd-udevd Not tainted 4.9.6-200.fc25.x86_64 #1 [ 29.558877] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 29.558879] ffffa8b5848f7e20 [ 29.558879] ffffffffab3f414d 0000000000000000 0000000000000000 ffffa8b5848f7e60 [ 29.558881] ffffffffab0a202b 00000064ab2a3442 00007fd73671bae0 ffff9c000b0a50c0 [ 29.558883] ffffa8b5848f7f58 ffff9c000b0a50c0 0000000000000055Call Trace: [ 29.558892] [<ffffffffab3f414d>] dump_stack+0x63/0x86 [ 29.558894] [<ffffffffab0a202b>] __warn+0xcb/0xf0 [ 29.558896] [<ffffffffab0a215d>] warn_slowpath_null+0x1d/0x20 [ 29.558898] [<ffffffffab1f47d2>] vmacache_find+0xc2/0xd0 [ 29.558900] [<ffffffffab202bcb>] find_vma+0x1b/0x70 [ 29.558903] [<ffffffffab062745>] __do_page_fault+0x175/0x4e0 [ 29.558905] [<ffffffffab062ae0>] do_page_fault+0x30/0x80 [ 29.558909] [<ffffffffab81e148>] page_fault+0x28/0x30 [ 29.558911] ---[ end trace 31afa7f00727e26f ]--- [ 29.558981] systemd-udevd[927]: segfault at 7ffecb7dc2c8 ip 0000562a8d3c40bc sp 00007ffecb7dc2d0 error 7 [ 29.558985] in systemd-udevd[562a8d3b5000+67000]paging request at ffff9c001b0f1000 [ 29.765512] IP: [<ffffffffab402c21>] __memmove+0x81/0x1a0 [ 29.771904] PGD 3e1288067 [ 29.774804] PUD 85aca0063 PMD 85723d063 [ 29.779611] PTE 800000085b0f1161 [ 29.783552] [ 29.785485] Oops: 0003 [#1] SMP [ 29.789268] Modules linked in: nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul ipmi_ssif crc32_pclmul crc32c_intel ghash_clmulni_intel ixgbe intel_cstate e1000e mpt3sas isci iTCO_wdt iTCO_vendor_support mei_me uas intel_uncore libsas raid_class intel_rapl_perf ptp usb_storage scsi_transport_sas mei pps_core mdio dca ipmi_si i2c_i801 joydev lpc_ich shpchp i2c_smbus ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 29.852839] CPU: 5 PID: 934 Comm: systemd-udevd Tainted: G W 4.9.6-200.fc25.x86_64 #1 [ 29.863333] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 29.872079] task: ffff9c000ead5b80 task.stack: ffffa8b584a44000 [ 29.878971] RIP: 0010:[<ffffffffab402c21>] [<ffffffffab402c21>] __memmove+0x81/0x1a0 [ 29.888284] RSP: 0018:ffffa8b584a47dd0 EFLAGS: 00010a02 [ 29.894495] RAX: ffff9c001b076000 RBX: ffffffffffffeff0 RCX: 1fffffffffff07fe [ 29.902747] RDX: ffffffffffffeff0 RSI: ffff9c001b0f2000 RDI: ffff9c001b0f1000 [ 29.911000] RBP: ffffa8b584a47df8 R08: 0000000000000000 R09: 0000000000000000 [ 29.919253] R10: ffff9c001b074fe8 R11: 0000000000000000 R12: ffff9c001b076000 [ 29.927505] R13: 0000000000001000 R14: 0000000000001000 R15: ffff9c000ad85c00 [ 29.935759] FS: 00007fd737805640(0000) GS:ffff9c001f340000(0000) knlGS:0000000000000000 [ 29.945283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.951981] CR2: ffff9c001b0f1000 CR3: 000000084b760000 CR4: 00000000000406e0 [ 29.960234] Stack: [ 29.962750] ffffffffab2e1e63 ffff9c001b076000 ffffa8b584a47f18 ffffa8b584a47f18 [ 29.971807] 0000562a8ef47ee0 ffffa8b584a47e40 ffffffffab2e1784 0000000000001000 [ 29.980866] ffff9c000ad85c18 ffff9c000e0a2300 ffffa8b584a47f18 ffff9c000e0a2300 [ 29.989925] Call Trace: [ 29.992929] [<ffffffffab2e1e63>] ? sysfs_kf_read+0x83/0xc0 [ 29.999431] [<ffffffffab2e1784>] kernfs_fop_read+0xb4/0x190 [ 30.006033] [<ffffffffab258667>] __vfs_read+0x37/0x150 [ 30.012150] [<ffffffffab3729db>] ? security_file_permission+0x9b/0xc0 [ 30.019724] [<ffffffffab2597e6>] vfs_read+0x96/0x130 [ 30.025645] [<ffffffffab25acd5>] SyS_read+0x55/0xc0 [ 30.031468] [<ffffffffab81cc77>] entry_SYSCALL_64_fastpath+0x1a/0xa9 [ 30.038944] Code: 08 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 48 83 c2 20 e9 a2 00 00 00 66 90 48 89 d1 4c 8b 5c 16 f8 4c 8d 54 17 f8 48 c1 e9 03 <f3> 48 a5 4d 89 1a e9 0c 01 00 00 0f 1f 40 00 48 89 d1 4c 8b 1e [ 30.065876] RIP [<ffffffffab402c21>] __memmove+0x81/0x1a0 [ 30.072361] RSP <ffffa8b584a47dd0> [ 30.076530] CR2: ffff9c001b0f1000 [ 30.080505] ---[ end trace 31afa7f00727e270 ]--- [ 30.080509] BUG: unable to handle kernel paging request at ffff9b0292db5000 [ 30.080513] IP: [<ffffffffab5861fc>] scsi_finish_command+0xac/0x120 [ 30.080514] PGD 0 [ 30.080514] [ 30.080516] Oops: 0000 [#2] SMP [ 30.080534] Modules linked in: nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul ipmi_ssif crc32_pclmul crc32c_intel ghash_clmulni_intel ixgbe intel_cstate e1000e mpt3sas isci iTCO_wdt iTCO_vendor_support mei_me uas intel_uncore libsas raid_class intel_rapl_perf ptp usb_storage scsi_transport_sas mei pps_core mdio dca ipmi_si i2c_i801 joydev lpc_ich shpchp i2c_smbus ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 30.080536] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D W 4.9.6-200.fc25.x86_64 #1 [ 30.080537] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 30.080538] task: ffffffffabe0e500 task.stack: ffffffffabe00000 [ 30.080540] RIP: 0010:[<ffffffffab5861fc>] [<ffffffffab5861fc>] scsi_finish_command+0xac/0x120 [ 30.080541] RSP: 0018:ffff9c001f203e98 EFLAGS: 00010297 [ 30.080542] RAX: ffff9b0292db5000 RBX: ffff9c0014579980 RCX: 0000000000000000 [ 30.080543] RDX: 0000000000000000 RSI: 0000000000002002 RDI: ffff9c001b2cd000 [ 30.080544] RBP: ffff9c001f203eb8 R08: ffff9c001456ad68 R09: ffffffffabe03e70 [ 30.080545] R10: 000000000000001f R11: 0000000000000043 R12: 000000000001e000 [ 30.080546] R13: ffff9c0014cdb428 R14: ffff9c001b334800 R15: 0000000000000004 [ 30.080547] FS: 0000000000000000(0000) GS:ffff9c001f200000(0000) knlGS:0000000000000000 [ 30.080548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.080549] CR2: ffff9b0292db5000 CR3: 000000084a42b000 CR4: 00000000000406f0 [ 30.080549] Stack: [ 30.080552] ffff9c0014579980 0000000000000005 0000000000002002 0000000000007530 [ 30.080554] ffff9c001f203ee8 ffffffffab58ec82 ffff9c001456ad68 ffff9c001456acf0 [ 30.080555] ffff9c001f203ef8 ffffffffabe05120 ffff9c001f203f28 ffffffffab3cd8ec [ 30.080556] Call Trace: [ 30.080560] <IRQ> [ 30.080560] [<ffffffffab58ec82>] scsi_softirq_done+0x122/0x150 [ 30.080563] [<ffffffffab3cd8ec>] blk_done_softirq+0x8c/0xc0 [ 30.080565] [<ffffffffab81fa2c>] __do_softirq+0x10c/0x2a2 [ 30.080568] [<ffffffffab0a84af>] irq_exit+0xff/0x110 [ 30.080570] [<ffffffffab81f774>] do_IRQ+0x54/0xd0 [ 30.080572] [<ffffffffab81d60c>] common_interrupt+0x8c/0x8c [ 30.080578] <EOI> [ 30.080578] [<ffffffffab6a8fff>] ? cpuidle_enter_state+0x11f/0x2c0 [ 30.080580] [<ffffffffab6a91d7>] cpuidle_enter+0x17/0x20 [ 30.080583] [<ffffffffab0e7833>] call_cpuidle+0x23/0x40 [ 30.080585] [<ffffffffab0e7aab>] cpu_startup_entry+0x15b/0x240 [ 30.080588] [<ffffffffab80f337>] rest_init+0x77/0x80 [ 30.080592] [<ffffffffabf81feb>] start_kernel+0x45f/0x480 [ 30.080594] [<ffffffffabf81120>] ? early_idt_handler_array+0x120/0x120 [ 30.080596] [<ffffffffabf812ca>] x86_64_start_reservations+0x24/0x26 [ 30.080597] [<ffffffffabf81419>] x86_64_start_kernel+0x14d/0x170 [ 30.080618] Code: 0c 83 e0 07 83 f8 04 77 6a 48 8b 83 00 01 00 00 44 8b a3 e8 00 00 00 83 78 44 02 74 51 48 8b 80 c0 00 00 00 48 8b 80 d0 03 00 00 <48> 8b 00 48 8b 80 90 00 00 00 48 85 c0 74 1d 48 89 df ff d0 44 [ 30.080620] RIP [<ffffffffab5861fc>] scsi_finish_command+0xac/0x120 [ 30.080621] RSP <ffff9c001f203e98> [ 30.080621] CR2: ffff9b0292db5000 [ 30.080626] ---[ end trace 31afa7f00727e271 ]--- [ 30.080628] BUG: unable to handle kernel [ 30.080628] Kernel panic - not syncing: Fatal exception in interrupt [ 30.080630] NULL pointer dereference at (null) [ 30.080634] IP: [<ffffffffab20bcfc>] unlink_anon_vmas+0x2c/0x1b0 [ 30.080636] PGD 0 [ 30.080636] [ 30.080637] Oops: 0000 [#3] SMP [ 30.080656] Modules linked in: nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache raid1 ses enclosure intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass crct10dif_pclmul ipmi_ssif crc32_pclmul crc32c_intel ghash_clmulni_intel ixgbe intel_cstate e1000e mpt3sas isci iTCO_wdt iTCO_vendor_support mei_me uas intel_uncore libsas raid_class intel_rapl_perf ptp usb_storage scsi_transport_sas mei pps_core mdio dca ipmi_si i2c_i801 joydev lpc_ich shpchp i2c_smbus ipmi_msghandler fjes tpm_tis tpm_tis_core tpm [ 30.080658] CPU: 8 PID: 927 Comm: systemd-udevd Tainted: G D W 4.9.6-200.fc25.x86_64 #1 [ 30.080658] Hardware name: Newisys NDS-SB1EA/NDS-SB1EA, BIOS HDS 9.00 11/13/2014 [ 30.080659] task: ffff9c00146f1e80 task.stack: ffffa8b5848f4000 [ 30.080662] RIP: 0010:[<ffffffffab20bcfc>] [<ffffffffab20bcfc>] unlink_anon_vmas+0x2c/0x1b0 [ 30.080663] RSP: 0000:ffffa8b5848f7b60 EFLAGS: 00010213 [ 30.080664] RAX: ffff9c001b0bfaf8 RBX: 0000000000000000 RCX: ffff9c000acd4359 [ 30.080665] RDX: 00007fd73760c000 RSI: ffff9c000acd4358 RDI: ffff9c001b0bfa80 [ 30.080666] RBP: ffffa8b5848f7ba0 R08: 0000000000000000 R09: 000000018040000f [ 30.080667] R10: 0000000000000000 R11: ffff9c0011c09a18 R12: 00007fd73569e000 [ 30.080667] R13: ffffa8b5848f7bf8 R14: 0000000000000000 R15: ffff9c001b0bfa80 [ 30.080669] FS: 0000000000000000(0000) GS:ffff9c001f400000(0000) knlGS:0000000000000000 [ 30.080670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.080671] CR2: 0000000000000000 CR3: 0000000853a1a000 CR4: 00000000000406e0 [ 30.080671] Stack: [ 30.080673] ffffa8b5848f7b70 ffff9c001b0bfa80 ffff9c001b0bfaf8 0000000000000000 [ 30.080675] 00007fd73569e000 ffffa8b5848f7bf8 0000000000000000 ffff9c001b0bfa80 [ 30.080677] ffffa8b5848f7be0 ffffffffab1fa051 0000000000000000 0000000000000000 [ 30.080677] Call Trace: [ 30.080680] [<ffffffffab1fa051>] free_pgtables+0xa1/0x120 [ 30.080681] [<ffffffffab2052c1>] exit_mmap+0xc1/0x170 [ 30.080685] [<ffffffffab09e956>] mmput+0x66/0x110 [ 30.080687] [<ffffffffab0a65cd>] do_exit+0x26d/0xb00 [ 30.080689] [<ffffffffab0a6ee7>] do_group_exit+0x47/0xb0 [ 30.080691] [<ffffffffab0b2369>] get_signal+0x289/0x630 [ 30.080695] [<ffffffffab026067>] do_signal+0x37/0x690 [ 30.080697] [<ffffffffab200292>] ? print_vma_addr+0x82/0x100 [ 30.080699] [<ffffffffab06221a>] ? __bad_area_nosemaphore+0xfa/0x1c0 [ 30.080703] [<ffffffffab0fd6d9>] ? vprintk_default+0x29/0x40 [ 30.080704] [<ffffffffab062346>] ? bad_area+0x46/0x50 [ 30.080706] [<ffffffffab062996>] ? __do_page_fault+0x3c6/0x4e0 [ 30.080709] [<ffffffffab003286>] exit_to_usermode_loop+0x76/0xb0 [ 30.080711] [<ffffffffab003af0>] prepare_exit_to_usermode+0x40/0x50 [ 30.080713] [<ffffffffab81d62f>] retint_user+0x8/0x10 [ 30.080734] Code: 66 66 66 90 55 48 89 f8 48 83 c0 78 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 18 4c 8b 77 78 48 89 7d c8 48 89 45 d0 49 39 c6 <49> 8b 0e 0f 84 17 01 00 00 4d 8d 6e f0 48 8d 59 f0 31 d2 eb 2f [ 30.080736] RIP [<ffffffffab20bcfc>] unlink_anon_vmas+0x2c/0x1b0 [ 30.080737] RSP <ffffa8b5848f7b60> [ 30.080737] CR2: 0000000000000000 [ 30.080738] ---[ end trace 31afa7f00727e272 ]--- [ 30.080739] Fixing recursive fault but reboot is needed! [ 30.837245] Kernel Offset: 0x2a000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 30.849787] ---[ end Kernel panic - not syncing: Fatal exception in interrupt
It appears that the issue has been resolved in 4.9.7. Not sure what change resolved the issue but I have not seen the same BUG with 4.9.7.