------------[ cut here ]------------ get_vaddr_frames() cannot follow VM_IO mapping WARNING: CPU: 0 PID: 5020 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: 5020 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: 0 PID: 5020 Comm: syz-executor991 Not tainted 6.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 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: ab 01 fb e9 03 ff ff ff e8 d7 ab 01 fb e9 ca fe ff ff e8 fd a4 ad fa 48 c7 c7 00 52 41 8b c6 05 3d 58 bd 07 01 e8 2a 67 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:ffffc90003a0f828 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88807d4b8000 RCX: 0000000000000000 RDX: ffff888028553b80 RSI: ffffffff814ccc06 RDI: 0000000000000001 RBP: ffff88807d4b8004 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000fffffff2 R15: 00000000002a302c FS: 0000555557202380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005fdeb8 CR3: 0000000073ea7000 CR4: 0000000000350ef0 Call Trace: 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 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:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:856 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: 0033:0x7fb1dbfbd1e9 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffb4177f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fffb4178148 RCX: 00007fb1dbfbd1e9 RDX: 00000000200002c0 RSI: 00000000c058565d RDI: 0000000000000003 RBP: 00007fb1dc030610 R08: 00007fffb4178148 R09: 00007fffb4178148 R10: 00236f656469762f R11: 0000000000000246 R12: 0000000000000001 R13: 00007fffb4178138 R14: 0000000000000001 R15: 0000000000000001