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get_vaddr_frames() cannot follow VM_IO mapping
WARNING: CPU: 0 PID: 5014 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames+0x1fb/0x240 drivers/media/common/videobuf2/frame_vector.c:63
Modules linked in:
CPU: 0 PID: 5014 Comm: syz-executor662 Not tainted 6.5.0-rc7-syzkaller-00013-g53663f4103ff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:get_vaddr_frames+0x1fb/0x240 drivers/media/common/videobuf2/frame_vector.c:63
Code: 8c 11 ff ff ff 4c 89 ef e8 e2 43 b1 fa e9 04 ff ff ff e8 68 71 58 fa c6 05 8a 53 50 07 01 48 c7 c7 60 4c c0 8b e8 d5 8a 1f fa <0f> 0b e9 4b ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 1f ff
RSP: 0018:ffffc90003a6f5c8 EFLAGS: 00010246
RAX: 9c4328ca038f9900 RBX: 1ffff920017c0000 RCX: ffff888022a85940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8152d442 R09: 1ffff11017325162
R10: dffffc0000000000 R11: ffffed1017325163 R12: 00000000fffffff2
R13: ffffc9000be00004 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555555bfd380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000061cca0 CR3: 00000000724e3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vb2_create_framevec+0x55/0xc0 drivers/media/common/videobuf2/videobuf2-memops.c:52
 vb2_vmalloc_get_userptr+0x100/0x410 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89
 __prepare_userptr drivers/media/common/videobuf2/videobuf2-core.c:1180 [inline]
 __buf_prepare+0xc26/0x4460 drivers/media/common/videobuf2/videobuf2-core.c:1422
 vb2_core_prepare_buf+0xe6/0x310 drivers/media/common/videobuf2/videobuf2-core.c:1561
 v4l2_m2m_prepare_buf drivers/media/v4l2-core/v4l2-mem2mem.c:823 [inline]
 v4l2_m2m_ioctl_prepare_buf+0x19b/0x470 drivers/media/v4l2-core/v4l2-mem2mem.c:1412
 __video_do_ioctl+0xa3e/0xe40 drivers/media/v4l2-core/v4l2-ioctl.c:3046
 video_usercopy+0x894/0x1170 drivers/media/v4l2-core/v4l2-ioctl.c:3387
 v4l2_ioctl+0x188/0x1d0 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+0xf8/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb6e85473e9
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:00007fffbf76d108 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fffbf76d2d8 RCX: 00007fb6e85473e9
RDX: 0000000020000300 RSI: 00000000c058565d RDI: 0000000000000003
RBP: 00007fb6e85ba610 R08: 00007fffbf76d2d8 R09: 00007fffbf76d2d8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffbf76d2c8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>