BUG: unable to handle kernel paging request at ffffc9000d047340
PGD 13be43067 P4D 13be43067 PUD 23b831067 PMD 994c0067 PTE 0
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13978 Comm: vivid-002-vid-c Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:memcpy_erms+0x6/0x10 arch/x86/lib/memcpy_64.S:55
Code: eb 88 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:ffff888036f17838 EFLAGS: 00010246
RAX: ffffc9000d047340 RBX: 0000000000000020 RCX: 0000000000000020
RDX: 0000000000000020 RSI: ffffc900026d5000 RDI: ffffc9000d047340
RBP: ffffc900026d5000 R08: 0000000000000001 R09: fffff52001a08e6b
R10: ffffc9000d04735f R11: ffff888237a96a60 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000d047340 R15: ffff888237a956a0
FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000d047340 CR3: 0000000051b93000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 memcpy include/linux/string.h:377 [inline]
 tpg_fill_plane_pattern drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2358 [inline]
 tpg_fill_plane_buffer+0x1188/0x2ff0 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2446
 vivid_fillbuff+0x17b8/0x6560 drivers/media/platform/vivid/vivid-kthread-cap.c:473
 vivid_thread_vid_cap_tick drivers/media/platform/vivid/vivid-kthread-cap.c:707 [inline]
 vivid_thread_vid_cap+0x98f/0x2140 drivers/media/platform/vivid/vivid-kthread-cap.c:809
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
CR2: ffffc9000d047340
---[ end trace b7a977b5d4bcc8c4 ]---
RIP: 0010:memcpy_erms+0x6/0x10 arch/x86/lib/memcpy_64.S:55
Code: eb 88 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:ffff888036f17838 EFLAGS: 00010246
RAX: ffffc9000d047340 RBX: 0000000000000020 RCX: 0000000000000020
RDX: 0000000000000020 RSI: ffffc900026d5000 RDI: ffffc9000d047340
RBP: ffffc900026d5000 R08: 0000000000000001 R09: fffff52001a08e6b
R10: ffffc9000d04735f R11: ffff888237a96a60 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000d047340 R15: ffff888237a956a0
FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000d047340 CR3: 0000000051b93000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	eb 88                	jmp    0xffffff8a
   2:	90                   	nop
   3:	90                   	nop
   4:	eb 1e                	jmp    0x24
   6:	0f 1f 00             	nopl   (%rax)
   9:	48 89 f8             	mov    %rdi,%rax
   c:	48 89 d1             	mov    %rdx,%rcx
   f:	48 c1 e9 03          	shr    $0x3,%rcx
  13:	83 e2 07             	and    $0x7,%edx
  16:	f3 48 a5             	rep movsq %ds:(%rsi),%es:(%rdi)
  19:	89 d1                	mov    %edx,%ecx
  1b:	f3 a4                	rep movsb %ds:(%rsi),%es:(%rdi)
  1d:	c3                   	retq
  1e:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
  24:	48 89 f8             	mov    %rdi,%rax
  27:	48 89 d1             	mov    %rdx,%rcx
* 2a:	f3 a4                	rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction
  2c:	c3                   	retq
  2d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  34:	48 89 f8             	mov    %rdi,%rax
  37:	48 83 fa 20          	cmp    $0x20,%rdx
  3b:	72 7e                	jb     0xbb
  3d:	40 38 fe             	cmp    %dil,%sil