------------[ cut here ]------------ get_vaddr_frames() cannot follow VM_IO mapping WARNING: CPU: 0 PID: 3631 at drivers/media/common/videobuf2/frame_vector.c:59 get_vaddr_frames+0x1d7/0x220 drivers/media/common/videobuf2/frame_vector.c:59 Modules linked in: CPU: 0 PID: 3631 Comm: syz-executor111 Not tainted 6.1.0-rc7-syzkaller-00159-ga1e9185d20b5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:get_vaddr_frames+0x1d7/0x220 drivers/media/common/videobuf2/frame_vector.c:59 Code: ff ff ff 4c 89 e7 e8 18 11 ba fa e9 0f ff ff ff e8 2e 0e 65 fa c6 05 aa 3e 54 07 01 48 c7 c7 60 0b e3 8b 31 c0 e8 69 0e 2c fa <0f> 0b e9 49 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 1d ff RSP: 0018:ffffc90003b4f5c8 EFLAGS: 00010246 RAX: 630f97ff10018800 RBX: 1ffff11028e8e400 RCX: ffff8880249957c0 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000096 R08: ffffffff816fdabd R09: ffffed1017304f1c R10: ffffed1017304f1c R11: 1ffff11017304f1b R12: ffff888147472004 R13: dffffc0000000000 R14: 0000000000000000 R15: 00000000fffffff2 FS: 0000555555da8300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005d84c8 CR3: 00000000728ec000 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+0xe5/0x3f0 drivers/media/common/videobuf2/videobuf2-vmalloc.c:88 __prepare_userptr drivers/media/common/videobuf2/videobuf2-core.c:1159 [inline] __buf_prepare+0xcc6/0x4530 drivers/media/common/videobuf2/videobuf2-core.c:1401 vb2_core_prepare_buf+0xde/0x300 drivers/media/common/videobuf2/videobuf2-core.c:1540 v4l2_m2m_prepare_buf drivers/media/v4l2-core/v4l2-mem2mem.c:823 [inline] v4l2_m2m_ioctl_prepare_buf+0x136/0x3b0 drivers/media/v4l2-core/v4l2-mem2mem.c:1412 __video_do_ioctl+0x9fd/0xdd0 drivers/media/v4l2-core/v4l2-ioctl.c:3037 video_usercopy+0xa6f/0x10b0 drivers/media/v4l2-core/v4l2-ioctl.c:3384 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:870 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1013899d19 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:00007ffd65c3dce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1013899d19 RDX: 0000000020000300 RSI: 00000000c058565d RDI: 0000000000000004 RBP: 00007f101385dec0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f101385df50 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK>