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get_vaddr_frames() cannot follow VM_IO mapping
WARNING: CPU: 0 PID: 9259 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames+0x1e8/0x22c drivers/media/common/videobuf2/frame_vector.c:63
Modules linked in:
CPU: 0 PID: 9259 Comm: syz-executor.4 Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : get_vaddr_frames+0x1e8/0x22c drivers/media/common/videobuf2/frame_vector.c:63
lr : get_vaddr_frames+0x1e8/0x22c drivers/media/common/videobuf2/frame_vector.c:63
sp : ffff80009a3972f0
x29: ffff80009a3972f0 x28: ffff0000cf86d060 x27: 0000000000000000
x26: dfff800000000000 x25: 1ffff00014a95200 x24: dfff800000000000
x23: 0000000000100000 x22: 1ffff00014a95200 x21: ffff8000a54a9004
x20: 00000000fffffff2 x19: ffff800090d43000 x18: 1fffe0003683adc6
x17: ffff80008e09d000 x16: ffff8000803199ec x15: 0000000000000001
x14: 1fffe0003683d530 x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 799425e1cb7b3500
x8 : 799425e1cb7b3500 x7 : ffff800080292a1c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80008a6dc4a0 x0 : ffff8001261ea000
Call trace:
 get_vaddr_frames+0x1e8/0x22c drivers/media/common/videobuf2/frame_vector.c:63
 vb2_create_framevec+0x5c/0xd8 drivers/media/common/videobuf2/videobuf2-memops.c:52
 vb2_vmalloc_get_userptr+0xfc/0x418 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89
 __prepare_userptr drivers/media/common/videobuf2/videobuf2-core.c:1180 [inline]
 __buf_prepare+0x9b0/0x3708 drivers/media/common/videobuf2/videobuf2-core.c:1422
 vb2_core_prepare_buf+0xe4/0x308 drivers/media/common/videobuf2/videobuf2-core.c:1561
 vb2_prepare_buf+0xfc/0x174 drivers/media/common/videobuf2/videobuf2-v4l2.c:738
 v4l2_m2m_prepare_buf drivers/media/v4l2-core/v4l2-mem2mem.c:823 [inline]
 v4l2_m2m_ioctl_prepare_buf+0x174/0x428 drivers/media/v4l2-core/v4l2-mem2mem.c:1412
 v4l_prepare_buf+0xac/0xd8 drivers/media/v4l2-core/v4l2-ioctl.c:2158
 __video_do_ioctl+0x7f4/0xb68 drivers/media/v4l2-core/v4l2-ioctl.c:3046
 video_usercopy+0xa00/0x1124 drivers/media/v4l2-core/v4l2-ioctl.c:3387
 video_ioctl2+0x3c/0x50 drivers/media/v4l2-core/v4l2-ioctl.c:3441
 v4l2_ioctl+0x148/0x18c 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]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 1408
hardirqs last  enabled at (1407): [<ffff800080292abc>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline]
hardirqs last  enabled at (1407): [<ffff800080292abc>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5133
hardirqs last disabled at (1408): [<ffff80008a56e75c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436
softirqs last  enabled at (1334): [<ffff8000800218ec>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (1334): [<ffff8000800218ec>] __do_softirq+0xac0/0xd54 kernel/softirq.c:582
softirqs last disabled at (1227): [<ffff80008002aad4>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---