BUG: unable to handle kernel paging request at ffffc90014be6340 kobject: 'kvm' (0000000064b93c16): kobject_uevent_env #PF error: [WRITE] PGD 1da93a067 P4D 1da93a067 PUD 1da93b067 PMD 1d2452067 PTE 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22071 Comm: vivid-000-vid-c Not tainted 4.20.0-rc7-next-20181224 #188 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memcpy_erms+0x6/0x10 arch/x86/lib/memcpy_64.S:55 Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe RSP: 0018:ffff88818e3af4f8 EFLAGS: 00010246 RAX: ffffc90014be6340 RBX: 0000000000000080 RCX: 0000000000000080 RDX: 0000000000000080 RSI: ffffc90001da3000 RDI: ffffc90014be6340 RBP: ffff88818e3af518 R08: fffff5200297cc78 R09: fffff5200297cc68 R10: fffff5200297cc77 R11: ffffc90014be63bf R12: ffffc90014be6340 R13: ffffc90001da3000 R14: dffffc0000000000 R15: ffff8881cb055e60 FS: 0000000000000000(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90014be6340 CR3: 00000001b3935000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: memcpy include/linux/string.h:352 [inline] tpg_fill_plane_pattern drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2382 [inline] tpg_fill_plane_buffer+0x193f/0x44c0 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2481 vivid_fillbuff+0x1c87/0x6620 drivers/media/platform/vivid/vivid-kthread-cap.c:467 vivid_thread_vid_cap_tick drivers/media/platform/vivid/vivid-kthread-cap.c:718 [inline] vivid_thread_vid_cap+0xf00/0x2ce0 drivers/media/platform/vivid/vivid-kthread-cap.c:836 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: CR2: ffffc90014be6340 ---[ end trace ee8b01e174258660 ]--- RIP: 0010:memcpy_erms+0x6/0x10 arch/x86/lib/memcpy_64.S:55 Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe RSP: 0018:ffff88818e3af4f8 EFLAGS: 00010246 RAX: ffffc90014be6340 RBX: 0000000000000080 RCX: 0000000000000080 RDX: 0000000000000080 RSI: ffffc90001da3000 RDI: ffffc90014be6340 RBP: ffff88818e3af518 R08: fffff5200297cc78 R09: fffff5200297cc68 R10: fffff5200297cc77 R11: ffffc90014be63bf R12: ffffc90014be6340 R13: ffffc90001da3000 R14: dffffc0000000000 R15: ffff8881cb055e60 FS: 0000000000000000(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90014be6340 CR3: 00000001b3935000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400