r0 = syz_io_uring_setup(0x4d4f, &(0x7f00000002c0), &(0x7f00000a0000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000200)=<r1=>0x0, &(0x7f0000000140)=<r2=>0x0)
syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_READV=@use_registered_buffer={0x1, 0x0, 0x2004, @fd_index}, 0x0)
socketpair$unix(0x1, 0x0, 0x0, 0x0)
stat(&(0x7f0000000200)='./cgroup/cgroup.procs\x00', &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, <r3=>0x0})
setreuid(0xffffffffffffffff, r3)
io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)