r0 = syz_io_uring_setup(0x21, &(0x7f0000000080), &(0x7f00000a0000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000000180)=<r1=>0x0, &(0x7f0000002a40)=<r2=>0x0)
syz_io_uring_submit(r1, r2, &(0x7f0000000540)=@IORING_OP_PROVIDE_BUFFERS={0x1f, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0)
syz_io_uring_submit(r1, r2, &(0x7f0000000100)=@IORING_OP_POLL_REMOVE, 0x4)
syz_io_uring_submit(r1, r2, &(0x7f0000000240)=@IORING_OP_OPENAT={0x12, 0x6, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000140)='./cgroup/cgroup.procs/file0\x00'}, 0x0)
io_uring_enter(r0, 0x76d3, 0x0, 0x0, 0x0, 0x0)