syzbot

------------[ cut here ]------------
get_vaddr_frames() cannot follow VM_IO mapping
WARNING: CPU: 0 PID: 4996 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline]
WARNING: CPU: 0 PID: 4996 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames+0x220/0x230 drivers/media/common/videobuf2/frame_vector.c:36
Modules linked in:
CPU: 0 PID: 4996 Comm: syz-executor206 Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline]
RIP: 0010:get_vaddr_frames+0x220/0x230 drivers/media/common/videobuf2/frame_vector.c:36
Code: 2f 14 fb e9 06 ff ff ff e8 2d 2f 14 fb e9 cd fe ff ff e8 e3 64 c1 fa 48 c7 c7 40 e5 1e 8b c6 05 6b e1 a1 07 01 e8 10 1f 89 fa <0f> 0b e9 53 ff ff ff 66 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55
RSP: 0018:ffffc90003a4f818 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffc9000b400000 RCX: 0000000000000000
RDX: ffff8880281c1dc0 RSI: ffffffff814c03e7 RDI: 0000000000000001
RBP: ffffc9000b400004 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 00000000fffffff2
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88807e132800
FS:  0000555555e16300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 000000007d9e2000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 vb2_create_framevec+0x62/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:52
 vb2_vmalloc_get_userptr+0x13b/0x530 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89
 __prepare_userptr+0x6a6/0x1630 drivers/media/common/videobuf2/videobuf2-core.c:1180
 __buf_prepare+0x602/0x7d0 drivers/media/common/videobuf2/videobuf2-core.c:1422
 vb2_core_prepare_buf+0xe4/0x330 drivers/media/common/videobuf2/videobuf2-core.c:1561
 vb2_prepare_buf+0x103/0x190 drivers/media/common/videobuf2/videobuf2-v4l2.c:738
 v4l2_m2m_prepare_buf+0xe8/0x210 drivers/media/v4l2-core/v4l2-mem2mem.c:823
 v4l_prepare_buf drivers/media/v4l2-core/v4l2-ioctl.c:2156 [inline]
 v4l_prepare_buf+0x96/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2150
 __video_do_ioctl+0xba6/0xf20 drivers/media/v4l2-core/v4l2-ioctl.c:3044
 video_usercopy+0x4bf/0x14c0 drivers/media/v4l2-core/v4l2-ioctl.c:3385
 v4l2_ioctl+0x1b7/0x250 drivers/media/v4l2-core/v4l2-dev.c:364
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7aaf219c49
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc38608d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7aaf219c49
RDX: 0000000020000300 RSI: 00000000c058565d RDI: 0000000000000003
RBP: 00007f7aaf1dddf0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7aaf1dde80
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>