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get_vaddr_frames() cannot follow VM_IO mapping
WARNING: CPU: 0 PID: 3584 at drivers/media/common/videobuf2/frame_vector.c:59 get_vaddr_frames+0x1db/0x220 drivers/media/common/videobuf2/frame_vector.c:59
Modules linked in:
CPU: 0 PID: 3584 Comm: syz-executor261 Not tainted 5.15.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:get_vaddr_frames+0x1db/0x220 drivers/media/common/videobuf2/frame_vector.c:59
Code: 8c 1a ff ff ff 4c 89 e7 e8 c2 d6 ff fa e9 0d ff ff ff e8 18 4d b6 fa c6 05 ff 17 06 07 01 48 c7 c7 c0 3f 40 8b e8 75 e1 81 fa <0f> 0b e9 4a ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 1e ff
RSP: 0018:ffffc90002c8f488 EFLAGS: 00010246
RAX: 27339e373207cd00 RBX: 1ffff9200062a200 RCX: ffff888077ae1d00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000080000 R08: ffffffff8166a76c R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90003151004
R13: dffffc0000000000 R14: 0000000000000000 R15: 00000000fffffff2
FS:  0000555556c14300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cba2733220 CR3: 000000001edf9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vb2_create_framevec+0x4a/0xb0 drivers/media/common/videobuf2/videobuf2-memops.c:50
 vb2_vmalloc_get_userptr+0xe7/0x400 drivers/media/common/videobuf2/videobuf2-vmalloc.c:88
 __prepare_userptr drivers/media/common/videobuf2/videobuf2-core.c:1164 [inline]
 __buf_prepare+0xc22/0x4490 drivers/media/common/videobuf2/videobuf2-core.c:1406
 vb2_core_qbuf+0x2b4/0x1360 drivers/media/common/videobuf2/videobuf2-core.c:1698
 vb2_qbuf+0x184/0x240 drivers/media/common/videobuf2/videobuf2-v4l2.c:820
 v4l2_m2m_qbuf+0x1e0/0x7a0 drivers/media/v4l2-core/v4l2-mem2mem.c:772
 __video_do_ioctl+0xa44/0xe40 drivers/media/v4l2-core/v4l2-ioctl.c:2976
 video_usercopy+0xa87/0x1120 drivers/media/v4l2-core/v4l2-ioctl.c:3324
 v4l2_ioctl+0x181/0x1d0 drivers/media/v4l2-core/v4l2-dev.c:364
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f1521550119
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:00007ffe9215e6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1521550119
RDX: 0000000020000180 RSI: 00000000c058560f RDI: 0000000000000003
RBP: 00007f1521514100 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1521514190
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>