BUG: unable to handle kernel paging request at ffffc900155e8340
#PF error: [WRITE]
PGD aa51f067 P4D aa51f067 PUD aa520067 PMD 912a0067 PTE 0
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 20681 Comm: vivid-003-vid-c Not tainted 5.0.0-rc4-next-20190201 #25
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 <f3> a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe
RSP: 0018:ffff88800f92f7c8 EFLAGS: 00010246
RAX: ffffc900155e8340 RBX: dffffc0000000000 RCX: 0000000000000080
RDX: 0000000000000080 RSI: ffffc900028fa000 RDI: ffffc900155e8340
RBP: ffff88800f92f7e8 R08: 1ffff92002abd068 R09: fffff52002abd078
R10: fffff52002abd077 R11: ffffc900155e83bf R12: 0000000000000080
R13: ffffc900155e8340 R14: ffffc900028fa000 R15: ffff88809dd55dc0
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900155e8340 CR3: 0000000092326000 CR4: 00000000001406f0
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:2393 [inline]
 tpg_fill_plane_buffer+0x10e4/0x2f10 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2481
 vivid_fillbuff+0x18d2/0x6140 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+0xd14/0x2840 drivers/media/platform/vivid/vivid-kthread-cap.c:836
 kthread+0x357/0x430 kernel/kthread.c:247
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
CR2: ffffc900155e8340
---[ end trace 0a7827c08f4a4ab1 ]---
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 <f3> a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe
RSP: 0018:ffff88800f92f7c8 EFLAGS: 00010246
RAX: ffffc900155e8340 RBX: dffffc0000000000 RCX: 0000000000000080
RDX: 0000000000000080 RSI: ffffc900028fa000 RDI: ffffc900155e8340
RBP: ffff88800f92f7e8 R08: 1ffff92002abd068 R09: fffff52002abd078
R10: fffff52002abd077 R11: ffffc900155e83bf R12: 0000000000000080
R13: ffffc900155e8340 R14: ffffc900028fa000 R15: ffff88809dd55dc0
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900155e8340 CR3: 0000000092326000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400