Upgraded to proposed kernel. Linux helen 4.8.0-25-generic #27-Ubuntu SMP Thu Oct 13 03:34:50 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Issue still occurs: [ 75.257763] usercopy: kernel memory overwrite attempt detected to ffff9dfb48493d38 (<process stack>) (16 bytes) [ 75.257791] ------------[ cut here ]------------ [ 75.257793] kernel BUG at /build/linux-rb6V7L/linux-4.8.0/mm/usercopy.c:75! [ 75.257795] invalid opcode: 0000 [#3] SMP [ 75.257797] Modules linked in: xfrm_user xfrm4_tunnel tunnel4 ipcomp xfrm_ipcomp esp4 ah4 af_key xfrm_algo snd_hrtimer binfmt_misc nls_iso8859_1 ir_lirc_codec lirc_dev rc_rc6_mce mceusb snd_hda_codec_via snd_hda_codec_generic kvm_amd kvm nvidia_uvm(POE) irqbypass input_leds serio_raw blackmagic(POE) k8temp snd_usb_audio snd_hda_codec_hdmi snd_usbmidi_lib gspca_sonixj gspca_main v4l2_common videodev media rc_imon_pad imon rc_core snd_hda_intel snd_ctxfi snd_hda_codec snd_hda_core snd_seq_midi snd_seq_midi_event shpchp snd_hwdep snd_rawmidi snd_seq snd_pcm snd_seq_device snd_timer snd soundcore asus_atk0110 i2c_nforce2 wmi mac_hid nfsd auth_rpcgss nfs_acl lockd grace sunrpc parport_pc ppdev lp parport ip_tables x_tables autofs4 dm_mirror dm_region_hash dm_log btrfs raid10 raid1 raid0 dm_raid raid456 [ 75.257835] async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c pata_acpi nvidia(POE) psmouse drm video firewire_ohci firewire_core floppy ahci fjes forcedeth libahci crc_itu_t pata_amd [ 75.257848] CPU: 1 PID: 2837 Comm: BlackmagicFirmw Tainted: P D OE 4.8.0-25-generic #27-Ubuntu [ 75.257850] Hardware name: System manufacturer System Product Name/M4N78 PRO, BIOS 1303 04/13/2011 [ 75.257852] task: ffff9dfb487e0d00 task.stack: ffff9dfb48490000 [ 75.257854] RIP: 0010:[<ffffffff9d82e647>] [<ffffffff9d82e647>] __check_object_size+0x77/0x1dc [ 75.257860] RSP: 0018:ffff9dfb48493ca0 EFLAGS: 00010286 [ 75.257862] RAX: 0000000000000063 RBX: ffff9dfb48493d38 RCX: 0000000000000000 [ 75.257863] RDX: 0000000000000000 RSI: ffff9dfbf7c4dc68 RDI: ffff9dfbf7c4dc68 [ 75.257865] RBP: ffff9dfb48493cc0 R08: 000000000003eee3 R09: 0000000000000005 [ 75.257867] R10: ffff9dfb5fc43238 R11: 000000000000040a R12: 0000000000000010 [ 75.257868] R13: 0000000000000000 R14: ffff9dfb48493d48 R15: 00007ffdccd9da50 [ 75.257870] FS: 00007fbd30601780(0000) GS:ffff9dfbf7c40000(0000) knlGS:0000000000000000 [ 75.257872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.257874] CR2: 00007fbd2f3e4150 CR3: 00000000a024a000 CR4: 00000000000006e0 [ 75.257875] Stack: [ 75.257877] ffff9dfb48493d38 0000000000000010 00007ffdccd9da50 ffff9dfbed7436c8 [ 75.257880] ffff9dfb48493ce8 ffffffffc11c11eb ffff9dfb48493d38 0000000000010000 [ 75.257883] 0000000000000000 00007ffdccd9da50 ffffffffc11a377a ffff9dfb57e7d000 [ 75.257885] Call Trace: [ 75.257946] [<ffffffffc11c11eb>] __dl_copy_from_user+0x1b/0x40 [blackmagic] [ 75.257974] [<ffffffffc11a377a>] _ZN18IoctlMessageKernel6unpackEv+0x4a/0x160 [blackmagic] [ 75.257997] [<ffffffffc116e62b>] ? blackmagic_ioctl_private+0x35db/0x4080 [blackmagic] [ 75.258001] [<ffffffff9d7a18a2>] ? filemap_map_pages+0x202/0x410 [ 75.258004] [<ffffffff9d8444a5>] ? do_filp_open+0xa5/0x100 [ 75.258008] [<ffffffff9d75776c>] ? trace_buffer_lock_reserve+0x1c/0x50 [ 75.258011] [<ffffffff9d757812>] ? trace_event_buffer_lock_reserve+0x72/0xf0 [ 75.258036] [<ffffffffc11bfff9>] ? blackmagic_ioctl+0x49/0x60 [blackmagic] [ 75.258039] [<ffffffff9d847843>] ? do_vfs_ioctl+0xa3/0x610 [ 75.258042] [<ffffffff9d8432b4>] ? putname+0x54/0x60 [ 75.258045] [<ffffffff9d83158c>] ? do_sys_open+0x1bc/0x280 [ 75.258047] [<ffffffff9d847e29>] ? SyS_ioctl+0x79/0x90 [ 75.258051] [<ffffffff9de9f076>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8 [ 75.258052] Code: 48 0f 44 d1 48 c7 c6 78 4d 2a 9e 48 c7 c1 5c a5 29 9e 48 0f 44 f1 4d 89 e1 49 89 c0 48 89 d9 48 c7 c7 f8 19 2a 9e e8 bd 03 f7 ff <0f> 0b e8 12 d6 fb ff 85 c0 75 78 48 89 df e8 96 2c e4 ff 84 c0 [ 75.258079] RIP [<ffffffff9d82e647>] __check_object_size+0x77/0x1dc [ 75.258082] RSP <ffff9dfb48493ca0> [ 75.258085] ---[ end trace 476b12ac04efcae0 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1628686 Title: kernel BUG at linux-4.8.0/mm/usercopy.c:75! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1628686/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
