this bug was not present in: ~$ uname -a Linux labyrinth 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1783550 Title: kernel BUG at /build/linux-60XibS/linux-4.15.0/mm/usercopy.c:72 Status in linux package in Ubuntu: Confirmed Bug description: perhaps related to intermittent failure to boot altogether:- [ 15.597051] usercopy: kernel memory exposure attempt detected from 000000006d2e138b (kmalloc-8) (54 bytes) [ 15.597467] ------------[ cut here ]------------ [ 15.597467] kernel BUG at /build/linux-60XibS/linux-4.15.0/mm/usercopy.c:72! [ 15.597838] invalid opcode: 0000 [#1] SMP PTI [ 15.598196] Modules linked in: joydev hpilo input_leds gpio_ich shpchp intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp lpc_ich ie31200_edac kvm_intel ipmi_ssif kvm irqbypass serio_raw acpi_power_meter ipmi_si ipmi_devintf intel_cstate mac_hid ipmi_msghandler intel_rapl_perf sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 xfs btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear mgag200 crct10dif_pclmul crc32_pclmul ttm ghash_clmulni_intel pcbc hid_generic drm_kms_helper syscopyarea igb aesni_intel sysfillrect aes_x86_64 tg3 dca sysimgblt mpt3sas crypto_simd i2c_algo_bit fb_sys_fops usbhid glue_helper cryptd hid ptp psmouse [ 15.601193] drm raid_class pps_core scsi_transport_sas [ 15.601640] CPU: 0 PID: 696 Comm: irqbalance Not tainted 4.15.0-29-generic #31-Ubuntu [ 15.602095] Hardware name: HP ProLiant ML310e Gen8, BIOS J04 05/21/2018 [ 15.602559] RIP: 0010:__check_object_size+0x123/0x1b0 [ 15.603017] RSP: 0018:ffffaeac02397db8 EFLAGS: 00010286 [ 15.603471] RAX: 000000000000005e RBX: 0000000000000036 RCX: 0000000000000000 [ 15.603933] RDX: 0000000000000000 RSI: ffff97697a216498 RDI: ffff97697a216498 [ 15.604418] RBP: ffffaeac02397dd8 R08: 0000000000000000 R09: 000000000000035c [ 15.604887] R10: 0000000000000008 R11: 00000000ffffffff R12: 0000000000000001 [ 15.605354] R13: ffff97697789f07e R14: ffff97697789f048 R15: ffff97697789f048 [ 15.605827] FS: 00007f87e91a6f00(0000) GS:ffff97697a200000(0000) knlGS:0000000000000000 [ 15.606306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.606788] CR2: 00005572d8a92158 CR3: 00000003f2988002 CR4: 00000000001606f0 [ 15.607277] Call Trace: [ 15.607766] filldir+0xb0/0x140 [ 15.608272] kernfs_fop_readdir+0x1a1/0x250 [ 15.608755] iterate_dir+0x9e/0x1a0 [ 15.609235] SyS_getdents+0xa0/0x130 [ 15.609713] ? fillonedir+0x100/0x100 [ 15.610191] do_syscall_64+0x73/0x130 [ 15.610661] ? do_syscall_64+0x73/0x130 [ 15.611133] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 15.611607] RIP: 0033:0x7f87e7f340a8 [ 15.612103] RSP: 002b:00007fff6c1a4f70 EFLAGS: 00000202 ORIG_RAX: 000000000000004e [ 15.612590] RAX: ffffffffffffffda RBX: 00005572d8a8a610 RCX: 00007f87e7f340a8 [ 15.613084] RDX: 0000000000008000 RSI: 00005572d8a8a610 RDI: 0000000000000004 [ 15.613579] RBP: 00005572d8a8a610 R08: 0000000000000078 R09: 0000000000000000 [ 15.614074] R10: 00005572d8a79010 R11: 0000000000000202 R12: fffffffffffffec0 [ 15.614565] R13: 0000000000000002 R14: 00005572d8a81040 R15: 00007fff6c1a68d0 [ 15.615056] Code: 48 0f 45 d1 48 c7 c6 03 d6 0d 88 48 c7 c1 9f e3 0e 88 48 0f 45 f1 49 89 d9 49 89 c0 4c 89 f1 48 c7 c7 a8 e3 0e 88 e8 2d f9 e7 ff <0f> 0b f3 c3 48 8b 3d a2 3f 1a 01 48 8b 0d b3 c1 1d 01 be 00 00 [ 15.616120] RIP: __check_object_size+0x123/0x1b0 RSP: ffffaeac02397db8 [ 15.616658] ---[ end trace 534113c931f35fd7 ]--- ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-generic 4.15.0.29.31 ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18 Uname: Linux 4.15.0-29-generic x86_64 AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Jul 25 12:47 seq crw-rw----+ 1 root audio 116, 33 Jul 25 12:47 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Wed Jul 25 13:03:27 2018 InstallationDate: Installed on 2018-07-25 (0 days ago) InstallationMedia: Ubuntu-Server 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: HP ProLiant ML310e Gen8 PciMultimedia: ProcEnviron: LANG=en_GB.UTF-8 TERM=xterm-256color SHELL=/bin/bash XDG_RUNTIME_DIR=<set> PATH=(custom, no user) ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-29-generic root=UUID=2184c6d2-2609-458d-b223-0115f6cee51b ro RelatedPackageVersions: linux-restricted-modules-4.15.0-29-generic N/A linux-backports-modules-4.15.0-29-generic N/A linux-firmware 1.173.1 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/21/2018 dmi.bios.vendor: HP dmi.bios.version: J04 dmi.chassis.type: 7 dmi.chassis.vendor: HP dmi.modalias: dmi:bvnHP:bvrJ04:bd05/21/2018:svnHP:pnProLiantML310eGen8:pvr:cvnHP:ct7:cvr: dmi.product.family: ProLiant dmi.product.name: ProLiant ML310e Gen8 dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783550/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
