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get_vaddr_frames() cannot follow VM_IO mapping
WARNING: CPU: 1 PID: 16587 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline]
WARNING: CPU: 1 PID: 16587 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: 1 PID: 16587 Comm: syz-executor.3 Not tainted 6.5.0-syzkaller-08894-gb97d64c72259 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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: 28 fe fa e9 03 ff ff ff e8 97 28 fe fa e9 ca fe ff ff e8 7d 7b a8 fa 48 c7 c7 80 6e 42 8b c6 05 0d a3 b8 07 01 e8 da c5 6e 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:ffffc9000a68f828 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffc90016a00000 RCX: ffffc9000c02a000
RDX: 0000000000040000 RSI: ffffffff814d8ca6 RDI: 0000000000000001
RBP: ffffc90016a00004 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000001 R14: 00000000fffffff2 R15: 00000000ffffffff
FS:  00007f390a59f6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4419d75198 CR3: 0000000019b97000 CR4: 0000000000350ee0
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:88
 __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
 v4l2_m2m_prepare_buf+0xe8/0x1e0 drivers/media/v4l2-core/v4l2-mem2mem.c:823
 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
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f390987cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f390a59f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f390999bf80 RCX: 00007f390987cae9
RDX: 0000000020000400 RSI: 00000000c058565d RDI: 0000000000000003
RBP: 00007f39098c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f390999bf80 R15: 00007ffe0c24b908
 </TASK>