------------[ cut here ]------------ get_vaddr_frames() cannot follow VM_IO mapping WARNING: CPU: 0 PID: 2793 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: 2793 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames+0x217/0x220 drivers/media/common/videobuf2/frame_vector.c:36 Modules linked in: CPU: 0 PID: 2793 Comm: syz-executor507 Not tainted 6.2.0-rc1-next-20221226-syzkaller-01146-gc76083fac3ba #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] RIP: 0010:get_vaddr_frames+0x217/0x220 drivers/media/common/videobuf2/frame_vector.c:36 Code: 6f 3d fb e9 06 ff ff ff e8 d6 6f 3d fb e9 cd fe ff ff e8 2c 8d ef fa 48 c7 c7 40 ee 1c 8b c6 05 1a 67 cc 07 01 e8 33 f1 2b 03 <0f> 0b e9 53 ff ff ff 66 90 41 57 41 56 41 55 41 54 49 89 fc 55 4d RSP: 0018:ffffc9000457f770 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88807bfce000 RCX: 0000000000000000 RDX: ffff888076c03a80 RSI: ffffffff81663b9c RDI: fffff520008afee0 RBP: ffff88807bfce004 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 00000000fffffff2 R13: 0000000000000000 R14: 0000000000400000 R15: ffff888070d3b000 FS: 00005555563d0300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a9c39d3078 CR3: 000000002ab5e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0x31e/0x1580 drivers/media/common/videobuf2/videobuf2-core.c:1199 __buf_prepare+0x5e4/0x780 drivers/media/common/videobuf2/videobuf2-core.c:1441 vb2_core_qbuf+0xab6/0x14b0 drivers/media/common/videobuf2/videobuf2-core.c:1743 vb2_qbuf+0x139/0x1a0 drivers/media/common/videobuf2/videobuf2-v4l2.c:816 vb2_ioctl_qbuf+0xff/0x140 drivers/media/common/videobuf2/videobuf2-v4l2.c:1058 v4l_qbuf drivers/media/v4l2-core/v4l2-ioctl.c:2105 [inline] v4l_qbuf+0x96/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2099 __video_do_ioctl+0xb9d/0xe20 drivers/media/v4l2-core/v4l2-ioctl.c:3034 video_usercopy+0x3b8/0x17f0 drivers/media/v4l2-core/v4l2-ioctl.c:3381 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: 0033:0x7fd7897af6f9 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:00007ffdb8624ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7897af6f9 RDX: 0000000020000140 RSI: 00000000c058560f RDI: 0000000000000003 RBP: 00007fd78976f200 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd78976f290 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000