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get_vaddr_frames() cannot follow VM_IO mapping
WARNING: CPU: 0 PID: 3962 at drivers/media/common/videobuf2/frame_vector.c:59 get_vaddr_frames+0x1d8/0x21c drivers/media/common/videobuf2/frame_vector.c:59
Modules linked in:
CPU: 0 PID: 3962 Comm: syz-executor254 Not tainted 5.15.118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : get_vaddr_frames+0x1d8/0x21c drivers/media/common/videobuf2/frame_vector.c:59
lr : get_vaddr_frames+0x1d8/0x21c drivers/media/common/videobuf2/frame_vector.c:59
sp : ffff80001a2671e0
x29: ffff80001a2671e0 x28: ffff0000c91e0860 x27: 0000000000000000
x26: dfff800000000000 x25: ffff80001a267558 x24: 1ffff00003bc3200
x23: dfff800000000000 x22: 1ffff00003bc3200 x21: ffff80001de19004
x20: 00000000fffffff2 x19: ffff800016cf0000 x18: 0000000000000001
x17: ff80800008335ea8 x16: ffff8000119547c4 x15: ffff800008335ea8
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000832d950 x10: 0000000000000000 x9 : eba1a83edf13b500
x8 : eba1a83edf13b500 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001a266958 x4 : ffff8000149cfca0 x3 : ffff80000854dcf8
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e
Call trace:
 get_vaddr_frames+0x1d8/0x21c drivers/media/common/videobuf2/frame_vector.c:59
 vb2_create_framevec+0x54/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:50
 vb2_vmalloc_get_userptr+0xe8/0x404 drivers/media/common/videobuf2/videobuf2-vmalloc.c:88
 __prepare_userptr drivers/media/common/videobuf2/videobuf2-core.c:1164 [inline]
 __buf_prepare+0x9b0/0x3734 drivers/media/common/videobuf2/videobuf2-core.c:1406
 vb2_core_qbuf+0x230/0x10c4 drivers/media/common/videobuf2/videobuf2-core.c:1698
 vb2_qbuf+0x14c/0x204 drivers/media/common/videobuf2/videobuf2-v4l2.c:820
 v4l2_m2m_qbuf+0x214/0x7b4 drivers/media/v4l2-core/v4l2-mem2mem.c:772
 v4l2_m2m_ioctl_qbuf+0x6c/0x80 drivers/media/v4l2-core/v4l2-mem2mem.c:1372
 v4l_qbuf+0xac/0xd8 drivers/media/v4l2-core/v4l2-ioctl.c:2047
 __video_do_ioctl+0x7f0/0xb64 drivers/media/v4l2-core/v4l2-ioctl.c:2976
 video_usercopy+0x988/0x1160 drivers/media/v4l2-core/v4l2-ioctl.c:3324
 video_ioctl2+0x3c/0x50 drivers/media/v4l2-core/v4l2-ioctl.c:3372
 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:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 19474
hardirqs last  enabled at (19473): [<ffff80000832bae8>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (19474): [<ffff80001194fe58>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (18682): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (18682): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (18671): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (18671): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (18671): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
---[ end trace 06f132405511ae2e ]---