r0 = syz_io_uring_setup(0x2262, &(0x7f0000000180), &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f00000002c0), &(0x7f0000003ac0))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x16, &(0x7f0000000040)=[{&(0x7f0000000000), 0x1000000}], 0x1)