------------[ cut here ]------------ get_vaddr_frames() cannot follow VM_IO mapping WARNING: CPU: 0 PID: 10040 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: 1 PID: 10040 Comm: syz-executor.1 Not tainted 5.15.98-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 e2 bc 03 fb e9 0d ff ff ff e8 08 89 ba fa c6 05 ad 77 0a 07 01 48 c7 c7 e0 21 40 8b e8 b5 36 86 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:ffffc9000435f5a8 EFLAGS: 00010246 RAX: 4069f4acd5015900 RBX: 1ffff9200216f400 RCX: 0000000000040000 RDX: ffffc90003271000 RSI: 0000000000019c4b RDI: 0000000000019c4c RBP: 00000000000ff000 R08: ffffffff81668cfc R09: ffffed1017344f24 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90010b7a004 R13: dffffc0000000000 R14: 0000000000000000 R15: 00000000fffffff2 FS: 00007fbc19412700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c007ae8000 CR3: 0000000045356000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_prepare_buf+0xe2/0x300 drivers/media/common/videobuf2/videobuf2-core.c:1535 v4l2_m2m_prepare_buf drivers/media/v4l2-core/v4l2-mem2mem.c:822 [inline] v4l2_m2m_ioctl_prepare_buf+0x137/0x3a0 drivers/media/v4l2-core/v4l2-mem2mem.c:1390 __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: 0033:0x7fbc1aea00f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbc19412168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fbc1afbff80 RCX: 00007fbc1aea00f9 RDX: 0000000020000300 RSI: 00000000c058565d RDI: 0000000000000003 RBP: 00007fbc1aefbae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc03de7df R14: 00007fbc19412300 R15: 0000000000022000