------------[ cut here ]------------
get_vaddr_frames() cannot follow VM_IO mapping
WARNING: CPU: 2 PID: 16317 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline]
WARNING: CPU: 2 PID: 16317 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames+0x206/0x210 drivers/media/common/videobuf2/frame_vector.c:36
Modules linked in:
CPU: 2 PID: 16317 Comm: syz-executor.0 Not tainted 6.5.0-rc2-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline]
RIP: 0010:get_vaddr_frames+0x206/0x210 drivers/media/common/videobuf2/frame_vector.c:36
Code: d6 01 fb e9 03 ff ff ff e8 97 d6 01 fb e9 ca fe ff ff e8 ad ea ad fa 48 c7 c7 a0 4b 41 8b c6 05 8e 2b bd 07 01 e8 7a b3 74 fa <0f> 0b e9 50 ff ff ff 0f 1f 00 f3 0f 1e fa 41 57 41 56 41 55 41 54
RSP: 0018:ffffc900254af7b8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffc9002ca00000 RCX: ffffc9000d382000
RDX: 0000000000040000 RSI: ffffffff814d3c06 RDI: 0000000000000001
RBP: ffffc9002ca00004 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 000000002d2d2d2d R12: 0000000000000000
R13: 0000000000000000 R14: 00000000fffffff2 R15: 00000000ffffffff
FS:  0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f70b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032721000 CR3: 0000000051145000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vb2_create_framevec+0x64/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:52
 vb2_vmalloc_get_userptr+0x137/0x560 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89
 __prepare_userptr.constprop.0+0x6ec/0x15d0 drivers/media/common/videobuf2/videobuf2-core.c:1180
 __buf_prepare+0x620/0x800 drivers/media/common/videobuf2/videobuf2-core.c:1422
 vb2_core_prepare_buf+0xe4/0x320 drivers/media/common/videobuf2/videobuf2-core.c:1561
 vb2_prepare_buf+0xfe/0x180 drivers/media/common/videobuf2/videobuf2-v4l2.c:738
 vb2_ioctl_prepare_buf+0x10c/0x150 drivers/media/common/videobuf2/videobuf2-v4l2.c:1039
 v4l_prepare_buf drivers/media/v4l2-core/v4l2-ioctl.c:2158 [inline]
 v4l_prepare_buf+0x94/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2152
 __video_do_ioctl+0xaea/0xef0 drivers/media/v4l2-core/v4l2-ioctl.c:3046
 video_usercopy+0x4c2/0x15c0 drivers/media/v4l2-core/v4l2-ioctl.c:3387
 v4l2_ioctl+0x1bd/0x250 drivers/media/v4l2-core/v4l2-dev.c:364
 v4l2_compat_ioctl32+0x213/0x2c0 drivers/media/v4l2-core/v4l2-compat-ioctl32.c:1192
 __do_compat_sys_ioctl+0x2bf/0x330 fs/ioctl.c:968
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f75579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7f705ac EFLAGS: 00000292 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c04c565d
RDX: 0000000020000080 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi